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Dell Alienware AW3423DW vs Sceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

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Product A: Dell

Alienware AW3423DW

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B

Product B: Sceptre

C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

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Only differences

ADell Alienware AW3423DW

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

General

4 of 8 differ

Series

Alienware1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026

Not available

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

AW3423DW, AW3423DWb1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026Exact marketing model AW3423DW and regulatory AW3423DWb verified on original manual title.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026Original exact Dell AW3423DW / AW3423DWb user guide on a readable public mirror. Original Dell download was read successfully, but later independent direct requests returned 403. Bundle-era printed materials are not transferred from this earlier mirror.

C345B-QUT1681Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Page title C345B-QUT168 (2023), 165 Hz. Sceptre sells a later 180 Hz revision as C345B-QUT1681 (page titled 2025, retailer code C345B-QUT168.A1). That revision has different specs and is not covered here.

GTIN / EAN

Not available

7923433342243Retailer pageamazon.com/dp/B0BTK1C533Read 15 October 2026Amazon US page, ASIN B0BTK1C533: Model Number C345B-QUT168, UPC 792343334224. The later 180 Hz revision C345B-QUT168.A1 has a different UPC (792343334262) on BuildCores, so only the code on this page is stored. Amazon now titles this listing 2025 with up to 180Hz/165Hz.

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

Not available

Not available

Status

Not available

Available1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026The page lists the monitor at 499.99 USD with an Add to Wish List button and a link to e-tailers. Amazon US now sells the same model number as a 2025 edition with up to 180 Hz.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Dell Alienware AW3425DW10Reviewtftcentral.co.uk/news/dell-alienware-aw3425dw-officially-released-with-34-ultrawide-240hz-qd-oled-panelRead 23 October 2026TFTCentral says the Alienware AW3425DW is the successor to the AW3423DW and the AW3423DWF.

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

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MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

US1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026The manual's warranty card applies to the US, Alaska, Hawaii and Puerto Rico. The page links to US e-tailers.

ColoursiThe maker's own colour names

Lunar Light3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact review explicitly calls the maker colour scheme Lunar Light.8Maker spec sheet (PDF)edsystem.sk/fileshare/products/datasheet/del/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw-spec-sheet%28617882%29.pdfRead 5 October 2026Exact two-page original Dell specification sheet hosted on a public distributor mirror states Lunar Light.

Black1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Chassis Colors: Black. Amazon names it Machine Black.

SegmentiFrom the maker's own product category. Office also covers home and everyday monitors.

Gaming1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026

Gaming1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Titled Gaming Monitor and listed in the Gaming Series.

Display

6 of 12 differ

Screen sizeiDiagonal in inches exactly as the maker advertises it. A class size and the viewable diagonal can differ.

34.18in(86.8 cm)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Manual viewable diagonal 868.21 mm / 34.18 inches. Maker rounded 34-inch class is distinct.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

34in(86.4 cm)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Active Screen Size: 34 in Diagonal Viewable.

Viewable screen diagonaliDiagonal of the visible image area. This can be smaller than the advertised class size.

34.18in(86.8 cm)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

34in(86.4 cm)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Active Screen Size: 34 in Diagonal Viewable. The manual says the same.

Native resolution

3440 × 1440px2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

3440 × 1440px1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Native Resolution: 3440 x 1440 Wide Quad HD.

Aspect ratio

21:92Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Published ultrawide 21:9 class differs from the exact 3440:1440 pixel ratio.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

21:91Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Aspect Ratio: 21:9 Ultrawide.

Pixel density

109.1ppi=CalculatedFrom Screen size and Native resolution

109.7ppi=CalculatedFrom Screen size and Native resolution

Pixel pitchiDistance between adjacent pixels. Source notes identify horizontal or vertical pitch if they differ. A horizontal figure about a third of the vertical one is the pitch of one subpixel, not of a pixel, so the pixel figure is stored.

Not available

Not available

Active display areaiMaker published active-display width and height, excluding the external frame. Source notes distinguish image area from any published shift-reserve area. Dimensions are not inferred from native resolution or rounded pixel pitch.

Not available

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Curved

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Curvature: 1500R.

Curvature radiusiRadius of screen curvature. A published 1800R is 1800 mm.

1,800mm2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

1,500mm1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Curvature: 1500R. The manual's spec table writes 1500 degrees, which is a typo for the radius.

Screen surface

Glossy3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026

Matte1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Surface Treatment: Anti-glare, 3H. Anti-glare is a matte surface. Amazon lists Screen Finish: Matte.

Anti-reflection coating

Anti reflection2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Anti-glare, 3H1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Surface Treatment, verbatim.

Touchscreen

Not available

Not available

Panel

20 of 31 differ

Panel type

QD-OLED2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

VA1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Panel Type: VA (Vertical Alignment).

Panel type (as published)iPanel or technology name as published. This is separate from the normalised panel type.

QD OLED2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

VA (Vertical Alignment)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Panel Type, verbatim.

BacklightiLayout of the backlight. OLED is none (self-emissive). WLED or LED alone names no layout, so it is left out unless a source states edge-lit or direct-lit.

None (self-emissive)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Edge-lit LED1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Backlight Type: Edge-Lit LED. The manual says LED Backlight 30,000+ Hours (ELED).

Local dimming

Not available

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Dimming zones

Not available

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Panel maker

Samsung Display3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026

Not available

Panel part number

Not available

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Panel generationiGeneration or panel architecture name stated by the source. Brand product generation and panel generation can differ.

Not available

Not available

Subpixel layoutiArrangement of the red, green, blue and any white emitters within a pixel. Individual emitter shapes do not establish their arrangement. Marketing names such as Primary RGB Tandem do not prove an RGB stripe layout.

Triangular RGB3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact subpixel discussion and close-up show triangular RGB, with green above red and blue.

Not available

Colour depthiSupported total colour depth per channel. A stated 8-bit plus FRC implementation is 10 supported bits with FRC, not native 10-bit. A 6-bit plus FRC panel, also called Hi-FRC, is 8 bits with FRC.

10bits2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

8bits1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Color Depth: 16.7M, which is 8 bits per channel. The maker does not state native or FRC.

Colour depth methodiNative panel bits or temporal frame rate control. Supported 10-bit input alone does not prove native 10-bit panel depth.

Native3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Panel itself is explicitly 10-bit. Accepted 12-bit input adds two bits of scaler dithering and does not establish native 12-bit.

Not available

Displayable colours

1.07 billion2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

16.7 million1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Color Depth: 16.7M. The manual says Colors 16.7+ Million.

sRGB coverageiPercentage of the sRGB reference gamut covered. Gamut volume is a different measure and is not stored here. Source notes identify the colour-space standard.

Not available

99%1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Color Gamut: sRGB:99%. Coverage or volume and the CIE version are not stated.

DCI-P3 coverageiPercentage of DCI-P3 covered. Do not substitute gamut volume. Source notes identify the CIE reference and any minimum or typical qualifier.

99.3%2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Manual DCI-P3 99.3%. Separate 149% sRGB volume is omitted.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Adobe RGB coverageiPercentage of Adobe RGB covered. Do not substitute gamut volume.

Not available

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Rec. 2020 coverageiPercentage of Rec. 2020 covered. Do not substitute gamut volume.

Not available

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NTSC coverageiPercentage of the NTSC reference gamut covered. Source notes identify the reference. Do not substitute gamut volume.

Not available

Not available

Factory calibrated

Yes6Press articletftcentral.co.uk/news/dell-alienware-aw3423dw-with-34-qd-oled-panel-and-175hz-refresh-rateRead 5 October 20268Maker spec sheet (PDF)edsystem.sk/fileshare/products/datasheet/del/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw-spec-sheet%28617882%29.pdfRead 5 October 2026

Not available

Claimed Delta EiMaker claim for colour error. Source notes retain a less-than qualifier, the colour space and whether the figure is an average or maximum.

23Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Claimed factory average Delta E 2000 <= 2 in Creator preset with sRGB or DCI-P3 selected, supported by photographed factory certificate. Independent measured values are separate.8Maker spec sheet (PDF)edsystem.sk/fileshare/products/datasheet/del/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw-spec-sheet%28617882%29.pdfRead 5 October 2026Original Dell maker sheet claims factory Delta E < 2. Review report gives the more specific average Delta E 2000 Creator sRGB/DCI-P3 scope.

Not available

Paper calibration report in boxiA physical calibration report included in the package. An electronic report in the menu or software does not count as a paper report.

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Package Contents explicitly lists the factory calibration report.3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact Calibration section photographs and explicitly discusses the included paper factory report.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Hardware calibration supportiCalibration writes to the monitor internal hardware LUT. Ordinary colour controls or a computer ICC profile do not establish this feature.

Not available

Not available

Static contrast ratioiPanel native static contrast, without dynamic contrast processing or local dimming. 1000 means 1000:1. Do not store a dynamic contrast claim here.

1,000,000:12Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Manual 1 million:1 in SDR/HDR. Dynamic contrast is separate.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

3,000:11Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Contrast Ratio: 3,000:1. The Dynamic Contrast Ratio of 1,000,000:1 is not stored.

Brightness (typical, SDR)iMaker typical SDR white luminance. Source notes state any window size, average picture level and operating mode.

250nits2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

400nits1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Brightness (Typ.): 400 cd/m2. The manual says Brightness 400 cd/m2. The Amazon listing shows 280 cd/m, which conflicts with both maker documents and is not used. Window and mode are not stated.

Brightness (maker minimum)iMaker minimum guaranteed brightness specification under its stated conditions. This is not the lowest user-selectable brightness unless the source explicitly says so.

Not available

Not available

Peak brightness (HDR)iMaker peak HDR white luminance. The source notes state window size or average picture level, mode and time limit where published.

1,000nits2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Manual HDR peak 1000 nits. Window/APL, mode and duration are unstated.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

HDR peak test windowiPercentage of screen area used for the peak HDR claim. If the maker publishes average picture level instead, source notes identify that distinction.

Not available

Not available

Full-screen brightnessiMaker white luminance at 100% screen area or 100% average picture level. Source notes state SDR or HDR and mode.

Not available

Not available

HDR formats

HDR103Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact HDR discussion explicitly states HDR10 is supported.

Not available

HDR certificationiVESA DisplayHDR certification. None needs a source, such as the maker saying the monitor has no DisplayHDR certification or the model being absent from the VESA list. When no source was checked, it is left out.

DisplayHDR True Black 4006Press articletftcentral.co.uk/news/dell-alienware-aw3423dw-with-34-qd-oled-panel-and-175hz-refresh-rateRead 5 October 2026

Not available

Viewing angle (horizontal)

178°2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

170°2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Specification table p 34: Viewing Angle Typical 170 / 160 degrees (Horizontal/Vertical). The product page says 178 / 178. The manual is used, as the maker's manual wins over the page.

Viewing angle (vertical)

178°2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

160°2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Specification table p 34: Typical 170 / 160 degrees (Horizontal/Vertical). The product page says 178 / 178.

Refresh rate and motion

14 of 22 differ

Refresh rate per resolution and portiHighest accepted rate for each proven resolution, input and operating condition. Preset or supported timing lists alone do not prove a maximum. Keep separate bit-depth, chroma and DSC conditions. Dual-mode or crop-mode requirements belong in source notes. Unknown input stays unknown.

ADell Alienware AW3423DW

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 2.0	DisplayPort 1.4
3440 × 1440Native	100Hz	175Hz8-bit, 4:4:4

Source3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Maker native maximum DP 175 Hz and HDMI 100 Hz is explicit in Resolution Specifications. Review independently gives full-range RGB 10-bit maximum DP 144 Hz and HDMI 60 Hz. Native DP 175 Hz at 8-bit is corroborated by TFT. Compression and lower-resolution maxima remain unproved.4Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Resolution Specifications expressly gives native maximum DP 175 Hz and HDMI 100 Hz. Independent review supplies colour-specific maxima.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026Exact resolution table gives native maximum DP 175 Hz and HDMI 100 Hz. Bit-depth maxima are independently supplied by the review.

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Refresh rate per resolution and port. The top rate is in bold.

Resolution	HDMI 2.0	DisplayPort 1.4
3440 × 1440Native	100Hz	165Hz

Source1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Supported DP Signals: up to 3440 x 1440 at 165 Hz. Supported HDMI Signals: up to 3440 x 1440 at 100 Hz. Bit depth, chroma and DSC are not stated. The manual's timing lists also show lower resolutions, but they list signals and do not prove maxima, so no lower-resolution rows are stored.

Max refresh rateiHighest proven accepted rate across the stored modes, including lower-resolution dual modes.

175Hz=CalculatedFrom Refresh rate per resolution and port

165Hz=CalculatedFrom Refresh rate per resolution and port

Max refresh rate at native resolutioniHighest proven accepted rate at the native pixel resolution, across all inputs and stored operating conditions.

175Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

165Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over DisplayPortiHighest proven accepted rate over DisplayPort at native resolution. A higher lower-resolution dual mode is separate.

175Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

165Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over HDMIiHighest proven accepted rate over HDMI at native resolution. Console refresh limits can be lower than PC limits.

100Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

100Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Max refresh rate over USB-CiHighest proven accepted rate over USB-C or Thunderbolt at native resolution. USB data bandwidth settings can lower the video maximum.

Not available

Not available

Max refresh rate at 10-bitiHighest stored native-resolution mode explicitly proven at 10-bit colour. Rows without bit-depth evidence do not count.

144Hz=CalculatedFrom Refresh rate per resolution and port and Native resolution

Not available

Native refresh rateiHighest refresh rate the maker rates without overclock. A lower optimum or recommended mode in a manual is not this value.

175Hz2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

165Hz1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Refresh Rate: Up to 165Hz.

Overclocked refresh rate

Not available

Not available

Dual modeiA dedicated display mode that changes resolution to raise the maximum refresh rate. Ordinary image scaling or a preset timing does not count.

Not available

Not available

Minimum fixed refresh rateiLowest fixed input rate accepted by the monitor. A VRR lower limit or general vertical scan range is not this value.

Not available

Not available

Adaptive sync technologiesiExact published adaptive-sync protocol or named certification. Generic Adaptive-Sync support does not prove VESA AdaptiveSync Display certification. Source notes distinguish protocols from certifications.

G-SYNC Ultimate, Adaptive-Sync2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20263Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact FreeSync discussion verifies generic DP Adaptive-Sync using Radeon RX 580 and HDMI Adaptive-Sync with Xbox Series S/X. This does not prove FreeSync certification.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

FreeSync Premium1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Type of Sync: AMD FreeSync Premium. Certifications: AMD FreeSync Premium. The FreeSync range is not published.

VRR range per portiVariable-refresh-rate operating range for each input and the operating mode named in source notes. A fixed timing or general vertical scan range alone is not a VRR range.

ADell Alienware AW3423DW

Input	Min (Hz)	Max (Hz)
DisplayPort	1	175
HDMI	1	100

Source3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026VRR section expressly gives DP 1-175 Hz and HDMI 1-100 Hz. Native G-SYNC/AMD-compatible adaptive sync is separate from HDMI Forum VRR.

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Not available

Low framerate compensation

Not available

Yes4Certification listamd.com/en/legal/claims/gaming-details.htmlRead 15 October 2026AMD: FreeSync Premium technology adds requirements of mandatory low framerate compensation and at least 120 Hz refresh rate at minimum FHD. Sceptre states FreeSync Premium for this monitor. AMD's own monitor list was not checked for this model.

Response time (maker GtG claim)iMaker grey-to-grey pixel transition claim. Source notes state fastest overdrive or other conditions where published.

0.1ms2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Response time (maker MPRT claim)iMaker moving-picture response-time claim, often with strobing enabled. This is not a grey-to-grey transition time.

Not available

1ms2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Specification table p 34: Response Time 1ms with MPRT. The page says 1ms Blur Reduction. The maker does not publish a grey-to-grey figure.

Overdrive settings

Not available

Not available

Motion blur reductioniA dedicated blur-reduction feature using backlight strobing or black frame insertion. OLED monitors have no backlight.

No3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Responsiveness explicitly states no pixel-strobing, BFI or ULMB setting.

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Response Time: 1ms Blur Reduction. The maker does not state the method (strobing or other).

Blur-reduction technologyiPublished name of the backlight strobing or black frame insertion feature.

Not available

MPRT2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Picture menu p 22: MPRT changes the Moving Picture Response Time to reduce motion blur.

Blur reduction works with VRRiWhether the dedicated strobing or black frame insertion mode can operate at the same time as variable refresh rate.

Not available

Not available

Flicker-free (claimed)

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Anti-Flicker: Yes.

Black frame insertion

No3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026

Not available

Measured

1 of 12 differ

Input lag at maximum refresh rateiReviewer total display lag at the monitor highest accepted refresh rate, including a faster dual mode. Native-rate measurements below that maximum and processing-only delay are excluded. Source notes name the rate, resolution and test method.

2.18ms3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026December 5, 2023 update: MOB106 unit 2.18 ms at 175 Hz using SMTT 2.0, a sensitive camera and over 30 repeat readings. Total display lag includes a minor pixel-response contribution, confirmed by TFT. Estimated processing-only 2.06 ms is omitted. HDR/VRR lag was not measured. Original review uses Creator DCI-P3 Gamma 2.4 and RTX 3090 over supplied DP, but updated test settings are not separately restated.

Not available

Input lag at 60 HziReviewer total display lag with a fixed 60 Hz input. Processing-only delay is excluded. Source notes name the resolution, mode and test method.

Not available

Not available

Average response time (measured)iReviewer mean grey-to-grey transition time across tested transitions. Source notes state the measurement endpoint, method, refresh rate and overdrive. A single worst transition or an unaveraged settling time does not count.

Not available

Not available

Overshoot (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Contrast ratio (measured)i1000 means 1000:1. Measured by a reviewer

Not available

Not available

SDR brightness (measured)iReviewer measured SDR white luminance. Source notes state picture mode, window size and brightness setting where available.

Not available

Not available

HDR brightness in a real scene (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

PWM flicker frequency (measured)iOnly when the reviewer found PWM flicker

Not available

Not available

VRR range (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Colour accuracy (measured Delta E)iReviewer average colour error before calibration. Source notes name picture mode, reference colour space and Delta E method. Post-calibration results are excluded.

Not available

Not available

Gray uniformity (measured)iDeviation on a 50 % gray screen. Measured by a reviewer

Not available

Not available

Reflections (measured)iTotal reflections. Measured by a reviewer

Not available

Not available

Connectivity

10 of 19 differ

Video inputsiPhysical connectors that accept a display signal. A USB-C data-only charging port is not a video input. Counts exclude USB hubs and audio jacks.

ADell Alienware AW3423DW

Type	Version	Count	HDCP
DisplayPort	1.4	1	2.2
HDMI	2.0	2	2.2

Source2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Type	Version	Count
HDMI	2.0	2
DisplayPort	1.4	2

Source1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026HDMI: 2 x HDMI Ports (2.0). DP: 2 x DisplayPort (1.4). HDCP version and raw link bandwidth are not stated.

HDMI ports

2=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

DisplayPort ports

1=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

Highest HDMI version

2.0=CalculatedFrom Video inputs

2.0=CalculatedFrom Video inputs

Highest DisplayPort version

1.4=CalculatedFrom Video inputs

1.4=CalculatedFrom Video inputs

HDMI features

Not available

Not available

USB-C video (DP Alt Mode)

No3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact connector inventory and review explicitly lack USB-C.

No2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Rear View with Connections p 16 is the complete connector list: power, HDMI 1-2, DisplayPort 1-2 and audio out. No USB-C.

USB-C power deliverediPower the monitor supplies to a connected device. Source notes distinguish guaranteed, maximum and shared dynamic limits. Power consumed by the monitor is separate.

Not available

Not available

Thunderbolt

Not available

Not available

USB upstream portsiUSB connections from the monitor hub to host computers. Video input and downstream charging ports are separate.

ADell Alienware AW3423DW

Connector	USB version	Count
USB-B	3.2 Gen 1	1

Source2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Not available

USB downstream hub portsiUSB hub connections for peripherals. These exclude host-facing upstream ports. A port the maker names for service or firmware updates only is not counted.

ADell Alienware AW3423DW

Connector	USB version	Count
USB-A	3.2 Gen 1	4

Source2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Not available

KVM switch

Not available

No2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026The connector list on p 16 has no USB port, so there is no USB hub or KVM function.

Daisy chain (MST)

Not available

Not available

Ethernet

Not available

No2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026The connector list on p 16 has no Ethernet socket.

3.5 mm headphone outputiAnalogue headphone or audio output. A shared four-pole headset jack counts.

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Physical headphone output is separate from rear line-out, which the manual says is not headphone-capable.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 20263.5mm Headphone Jack (Output): Yes.

3.5 mm microphone inputiAnalogue microphone input, including the microphone contacts of a shared four-pole headset jack. This does not imply a separate microphone socket.

Not available

No2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026The connector list on p 16 has only a 3.5 mm audio output for speakers or headphones.

Optical out

Not available

No2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026The connector list on p 16 has no optical output.

Picture in picture

Not available

Yes2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Picture menu p 23: Multi Window turns on PIP (a second source in a small window) or PBP (a second source on the right half).

Picture by picture

Not available

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Key features list Picture By Picture. The manual's OSD has a Multi Window option with PIP and PBP.

Smart features

None of 4 known

Smart platform

Not available

Not available

Wi-Fi

Not available

Not available

Bluetooth

Not available

Not available

Remote control

Not available

Not available

Audio and camera

3 of 5 differ

Speakers

No1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026Exact US maker page explicitly states built-in speaker No.

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Speakers: 2 x 3W/4 ohm.

Number of speakers

Not available

21Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Speakers: 2 x 3W/4 ohm.

Speaker power per channeliRated power per speaker or output channel. Do not store the total of all speakers here.

Not available

3W1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 20262 x 3W/4 ohm, so 3 W per speaker.

Webcam

Not available

Not available

Microphone

Not available

Not available

Ergonomics and controls

12 of 15 differ

Stand height adjustmentiVertical travel of the supplied stand. This is not the total height of the monitor.

110mm2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

0mm5Reviewthebrightpoint.wordpress.com/2024/09/03/review-sceptre-34-inch-curved-ultrawide-wqhd-monitor-c345b-qut168Read 15 October 2026Reviewer text: the stand lacks height adjustment. The maker's mechanical list shows tilt only.

TiltiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Forward5°Backward21°2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Forward5°Backward15°1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Tilt: 15 degrees backward and 5 degrees forward. The manual says generally 5 (+/-1) forward and 15 (+/-2) backward.

SwiveliMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude.

Left20°Right20°2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

PivotiMaximum movement from the neutral position with the supplied stand. Each direction is stored as a positive magnitude. Pivot is rotation in the screen plane. A small slant adjustment for levelling, as Dell calls it, counts.

Counterclockwise5°Clockwise5°2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Own manual slant adjustment +/-5 degrees is limited rotation from neutral, not portrait pivot.3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026Exact review expressly states clockwise/anticlockwise slant 5 degrees. The monitor cannot rotate into portrait. Field help counts maximum rotational movement from neutral.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026Exact mechanical table slant adjustment -5 to +5 degrees. This is limited rotation, not portrait pivot.

Counterclockwise0°Clockwise0°2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Installation p 8: install the screen in landscape orientation. Any 90 degree rotation may induce poor ventilation and damage. Stored as no pivot.

Removable stand

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Yes1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Neck / Stand Detachable: Yes.

VESA mount

100 x 1002Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

75 x 751Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026VESA Mount Pattern 75 x 75 mm, screws M4 x 10 mm.

VESA adapter needed

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Wall-mount assembly uses the included VESA adapter. Purchased arm or bracket is separate.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Security lock slot

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

On-screen menu controlsiControls that operate the monitor menu or display settings. Desktop window-layout software alone does not count as menu control.

Joystick2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Buttons2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Front View with Buttons p 14: five buttons for menu, volume, input source, preset and power. No joystick is described.

Desktop software

Alienware Command Center (AWCC)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Original manual AWCC section describes AlienFX LED lighting control. It does not establish software control of the display OSD.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

User firmware updates

Yes3Reviewpcmonitors.info/reviews/dell-alienware-aw3423dwRead 5 October 2026December 2023 owner-applied update requires an NVIDIA GPU. Source literally calls original hardware MOB1x/MOB106 and newer hardware MOB2x/MOB205. Those source spellings are retained.

Not available

Ambient light sensoriPresence of a physical ambient-light sensor. A regulatory statement that Automatic Brightness Control is unavailable does not prove the sensor is absent. Human presence or proximity sensing is separate.

Not available

Not available

Presence sensoriPresence of a person-detection or proximity sensor. Source notes distinguish room presence from near-screen detection. Absence of one kind does not prove absence of every presence sensor.

Not available

Not available

RGB lightingiDecorative illumination explicitly described as RGB or documented with selectable red, green and blue colours. A power LED or only one or two fixed colours is insufficient.

Yes2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026AlienFX adjusts RGB colours across four lighting zones. A power LED alone is not the proof.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Gaming menu features

Timer, Frame Rate Counter, Dark Stabilizer, Creator Mode2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

FPS preset, RTS preset1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Game Presets: FPS and RTS. The manual lists the same two Preset Game Modes.

OLED care

3 of 3 differ

OLED care

Pixel Refresh, Panel Refresh2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Pixel Refresh after four cumulative hours. Panel Refresh after 1500 hours. No DWF sibling features are transferred.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Burn-in covered by warrantyiWarranty explicitly covers permanent OLED image burn-in. A general panel warranty alone does not prove burn-in coverage.

Yes1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026

Not available

Burn-in warranty length

3years1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026US maker explicitly includes OLED burn-in within the three-year bundle.

Not available

Dimensions and weight

7 of 7 differ

Dimensions with standiOverall monitor dimensions with the supplied stand. Minimum and maximum heights require the stand position to be identified by the source.

Width815.25Height (lowest)415.57Height (highest)525.57Depth305.71mm(32.1 × 16.4 to 20.7 × 12 in)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Physical characteristics labels extended and compressed display height.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Width807.7Height (lowest)456.2Height (highest)456.2Depth218.4mm(31.8 × 18 × 8.6 in)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 202631.80 x 17.96 x 8.6 in (W x H x D), converted to mm. The stand has tilt only, so the height has one value.

Dimensions without standiOverall monitor body dimensions after the stand is removed, including the frame and rear housing.

Width815.25Height364.15Depth137.11mm(32.1 × 14.3 × 5.4 in)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Width807.7Height363Depth81.3mm(31.8 × 14.3 × 3.2 in)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 202631.80 x 14.29 x 3.2 in (W x H x D), converted to mm.

Stand footprintiWidth and depth of the stand base on the desk. A maker's stand width and depth count.

Width430.72Depth305.71mm(17 × 12 in)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Not available

Weight with standiWeight with the supplied stand. Source notes state if cables are included. Packaging weight is separate.

10.37kg(22.9 lb)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Weight with stand assembly and cables.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

6.18kg(13.6 lb)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Net Weight with Stand 13.62 lbs, converted to kg. Cables are not stated.

Weight without standiMonitor body weight without stand. Source notes state whether cables are included.

6.92kg(15.3 lb)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Without stand or cables.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

5.46kg(12 lb)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Net Weight without Stand 12.03 lbs, converted to kg. Cables are not stated.

Box dimensionsiShipping box width, height and depth in the maker published orientation. A flat-packed box can have a smaller height than the upright display.

Not available

Width908.1Height496.1Depth181.1mm(35.8 × 19.5 × 7.1 in)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Carton Box Dimension 35.75 x 19.53 x 7.13 in (W x H x D), converted to mm (908.05 mm rounded to 908.1).

Box weight

15.9kg(35.1 lb)2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Weight with packaging.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

9.2kg(20.3 lb)1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Gross Weight 20.28 lbs, converted to kg.

Power

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Power supplyiUSB-C powered monitors can draw power from a compatible host or an optional USB-C power source. This does not establish a bundled adapter. Record a supplied adapter and its rating separately.

Internal5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 20267EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026

External adapter1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Power Type: AC Power Adapter. Monitor input 19V, 3.42A. The adapter is the Sceptre AC19V-3.42A.

Adapter ratingiRated output power of the external power adapter. Do not substitute the monitor maximum consumption.

Not available

Not available

Input voltage

100-240 V AC, 50/60 Hz2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 20269Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

100-240 V AC, 50/60 Hz2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Specification table p 34: Power input 100-240V~ 50/60Hz. This is the AC adapter input.

Power use (typical)iMaker typical operating power under a stated test condition. An unlabeled Power On upper bound does not establish a typical value. EU label test power has separate fields. An ENERGY STAR on-mode (Pon) figure is not a typical value.

47.6W2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Electrical table Pon 47.6 W uses the Energy Star method. EU on-mode 42.3 W is separate.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

55W1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Power Consumption (Typical): 55W. The manual says the same.

Power use (max)iMaker maximum operating power. Source notes state whether USB charging and connected-device load are included.

200W2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Maximum brightness and contrast with maximum loading on all USB ports.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

60W1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Maximum: 60W. The manual says the same. There are no USB ports, so no USB load is included.

Power use SDR (EU label)iSDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

42.3W5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 2026Base API response version 2 has lastVersion false and states 42.3 W. Fresh canonical exact-model EPREL fiche independently confirms 42.3 W SDR, separate from Pon 47.6 W.7EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026Freshly downloaded canonical exact AW3423DW product information sheet states SDR on-mode 42.3 W.

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Power use HDR (EU label)iHDR on-mode power demand in the EU product information sheet, in watts. It can differ from rounded energy-label kWh per 1000 hours.

42.6W5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 2026Base API version 2 states 42.6 W HDR. Fresh canonical exact-model fiche independently confirms the same value.7EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026Freshly downloaded canonical exact AW3423DW product information sheet states HDR on-mode 42.6 W.

Not available

Standby poweriPower in standby or DPMS. Source notes retain any less-than qualifier.

0.5W2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026EU 2019/2021 and 2019/2013 standby 0.5 W.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

0.5W1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Standby: <=0.5W. Bound retained. Sleep is also <=0.5W.

Off-mode poweriPower when switched off but still connected to mains. Source notes retain any less-than qualifier.

0.3W2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026EU 2019/2021 and 2019/2013 off mode 0.3 W.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

0.5W1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Off: <=0.5W. Bound retained.

EU energy class SDR

G5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 20267EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026

Not available

EU energy class HDR

G5EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 20267EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026

Not available

Energy per 1000 h SDR

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Energy per 1000 h HDR

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Certifications

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VESA ClearMR

Not available

Not available

VESA AdaptiveSync Display

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TÜV certifications

Not available

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Low blue lightiHardware means a published panel-level hardware low-blue-light solution. Software means a selectable picture filter. Hardware does not require a selectable filter mode.

Hardware2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Product Features identifies TÜV Rheinland Low Blue Light Hardware Solution at default settings.9Owner's manualgzhls.at/blob/ldb/2/1/7/0/fbce7ce809c07f99b0da4de9342fc3ad9b6b.pdfRead 5 October 2026

Software1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Blue Light Shift: Available. The manual says the OSD option adjusts the blue light value. This is a selectable setting.

ENERGY STAR

Not available

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TCO Certified

Not available

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EPEAT

Not available

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Colour certifications

Not available

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Other certifications

Not available

FCC, cTUVus, ISTA, HDMI, RoHS1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Regulations: FCC, cTUVus, ISTA. Certifications: HDMI, VESA, AMD FreeSync Premium. The manual adds RoHS. VESA is not stored because the page does not name a VESA program. FreeSync Premium is in the VRR field.

In the box

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In the box

Display, Stand riser, Stand base, I/O cover, VESA adapter, M4 screws (4), Power cable (varies by country), DisplayPort to DisplayPort 1.4 cable (1.8 m), Mini-DisplayPort to DisplayPort 1.4 cable (1.8 m), HDMI 2.0 cable (1.8 m), USB 3.2 Gen 1 upstream cable (1.8 m), Quick Setup Guide, Safety, Environmental, and Regulatory Information, Factory calibration report2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Maker bundle can vary by market. Since October 2022 a sticker replaces the welcome card, so neither is asserted as universal. Country-specific power cord is qualified.

Monitor, Display neck, Display base, Power cable, AC power adapter, DisplayPort cable, Sceptre screw driver, Wall mount spacers x 4, Metal plate for wall mount, Neck screw cover, Base screws x 2, Neck screws x 1, User manual, Warranty card1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026What's in the Box: monitor, neck, stand, power cable, AC power adapter, DisplayPort cable, screw driver, 4 wall mount spacers, stand screws, user manual, warranty card. The manual's Package Contents also lists a metal plate for wall mount, a neck screw cover, 2 base screws and 1 neck screw.

Cables includediCables supplied with the product. Count is included only when the source establishes it. Bundles can vary by market.

ADell Alienware AW3423DW

Not available

BSceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

Type	Count
DisplayPort cable	1
Power cable	Not available

Source1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026What's in the Box: Display Cable DisplayPort Cable x 1 and a power cable. The power cable count and the cable lengths are not stated.

Warranty

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Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

3years1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026US maker page three-year Advanced Exchange and Premium Panel Exchange.

1year1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026Warranty: Limited Parts and Labor, One Year. The manual says 90 days for commercial use, US only.

Dead pixel policy

Not available

SCEPTRE sets the limit on the LCD at 3 dead pixels in a cluster adjacent to each other, or 5 dead pixels in a combination of color and brightness. Any number of dead or bad pixels under the limit is considered to be within the normal performance specification of the LCD and is not considered defective.2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Limited Product Warranty p 36, Dead Pixel Policy, verbatim.

Links

Not compared

Product page

www.dell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessories1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dw/apd/210-bcye/monitors-monitor-accessoriesRead 5 October 2026

www.sceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.html1Maker product pagesceptre.com/Monitors/Gaming-Series/C345B-QUT168-34-Ultrawide-Curved-Quad-HD-165Hz-Gaming-Monitor-product1462category12category100.htmlRead 15 October 2026

Spec sheet

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Manual

dl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdf2Owner's manualdl.dell.com/content/manual9259641-alienware-aw3423dw-monitor-user-s-guide.pdfRead 5 October 2026Original exact maker PDF successfully downloaded and read for this record. Later direct independent requests returned HTTP 403. Original-access availability can vary.

www.sceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdf2Owner's manualsceptre.com/g_clump/pub/Manuals/GamingSeries/SCEPTRE%20C345B-QUT168%20(MS34G7))user%20manual-6CX0002618-2022.12.02%20US%20v2.pdfRead 15 October 2026Sceptre C34 Display User Manual for C345B-QUT168 (MS34G7), file dated 2022.12.02, linked from the product page. The link on the page has a stray closing bracket in the file name.

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

10491545EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/1049154Read 5 October 20267EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1049154_EN.pdfRead 5 October 2026

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Both are also in the API. Back to all monitors.