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Dell Alienware AW3423DWF vs Sceptre C345B-QUT168 34" Ultrawide Curved QHD 165Hz Gaming Monitor

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Product A: Dell

Alienware AW3423DWF

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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 AW3423DWF

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-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026

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

AW3423DWF1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026Exact AW3423DWF, not AW3423DW. Regional ordering code 210-BFRP not configuration variant.

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.

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Status

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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.

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

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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.

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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.

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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

Not available

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-aw3423dwf/apd/210-bfrp/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

8 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)1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026General exact 34.18-inch diagonal, not 34 class.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 maximum accepted native 3440x1440, per-input 165 DP/100 HDMI.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 maker 21:9 class label, actual native 3440:1440 ultrawide.

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.

0.23mm2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 rounded two-decimal 0.23 mm. Actual active area 800.10/3440=0.23259 and 337.10/1440=0.23410 fit published 0.23 rounding, unlike four decimal pitch in 27-inch siblings.

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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.

Width800.1Height337.1mm(31.5 × 13.3 in)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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Curved

Yes1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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

Glossy7Reviewtechspot.com/review/2591-alienware-aw3423dwfRead 5 October 2026Design/Looks paragraphs explicit glossy QD-OLED coating, not imported DW numerical measurement.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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

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Panel

18 of 31 differ

Panel type

QD-OLED2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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.

Quantum Dot OLED1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p9 OLED definition, p14 OLED luminous source.

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

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Dimming zones

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Panel maker

Samsung Display7Reviewtechspot.com/review/2591-alienware-aw3423dwfRead 5 October 2026Intro explicit exact tested AW3423DWF 34 inch Samsung QD-OLED.

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Panel part number

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

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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 RGB7Reviewtechspot.com/review/2591-alienware-aw3423dwfRead 5 October 2026Exact DWF summary explicit triangle RGB.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 explicit 10 bit color support. Native DP 165 is 8 bit per exact TechSpot test, not native 10 bit 165 assumption.

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.

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Displayable colours

1.07 billion2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 claimed 99.3% DCI-P3, method unstated. 149% sRGB gamut volume is not coverage and omitted.

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

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

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

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Factory calibrated

Yes2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p8 physical factory calibration report, exact maker datasheet p4 calibrated out of box.3Maker spec sheet (PDF)mattiva.rs/fajlovi/product/files/2023-02-27314271.pdfRead 5 October 2026p4 factory calibration explicit.

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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.

23Maker spec sheet (PDF)mattiva.rs/fajlovi/product/files/2023-02-27314271.pdfRead 5 October 2026p4 calibrated out of box Delta E <2, p14 same claim, formula not stated.

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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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p8 Factory calibration report physical documentation list, not OSD report only.

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

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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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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.

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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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 HDR peak 1000, window unknown, not full-screen.

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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.

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

Not available

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HDR formats

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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 4002Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p10 explicit VESA DisplayHDR 400 True Black.

Not available

Viewing angle (horizontal)

178°2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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

7 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 AW3423DWF

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

Resolution	HDMI 2.0	DisplayPort 1.4
3440 × 1440Native	100Hz	165Hz8-bit

Source2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 explicit maximum native DP 165/HDMI 100. TechSpot exact model DP 165 8 bit no DSC conditions below. DP 10 bit lower-frequency max unknown, no custom unverified timings. Lower-resolution preset and Console Mode 64 tables are not proven maxima, omitted.7Reviewtechspot.com/review/2591-alienware-aw3423dwfRead 5 October 2026Exact tested DWF DP 165 Hz limited 8 bit no DSC, 10 bit at lower frequencies without proven maximum. Native 165 8 bit row default mode, not custom EDID/Super Resolution. No 10 bit 165 maximum guessed from other panel or bandwidth.

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.

165Hz=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.

165Hz=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.

165Hz=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.

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

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

165Hz2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 explicit DP native accepted maximum 165.

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

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

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

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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.

FreeSync Premium Pro, VESA AdaptiveSync Display2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p9 FreeSync Premium Pro and VESA AdaptiveSync Display. G-SYNC GPU compatibility is not certification, no HDMI Forum VRR claimed.

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.

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Low framerate compensation

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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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p14 Monitor specifications.

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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

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

Not available

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p10 product features.

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

Not available

Not available

Measured

3 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.

1.1ms8Measurementprad.de/testberichte/alienware-aw3423dwf-oled-gaming-ueberzeugt/5Read 5 October 2026May 2023 exact-model Latency Time section 1.1 ms at 165 Hz. Method sum of signal processing and half mean pixel transition time, not pure processing delay. Firmware/preset/connection not stated on measurement page, no assumed settings.

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.

14.1ms8Measurementprad.de/testberichte/alienware-aw3423dwf-oled-gaming-ueberzeugt/5Read 5 October 2026Same Latency Time section 14.1 ms at 60 Hz, same method including half mean pixel transition. Not TechSpot 0.3 ms pure processing.

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.

243nits8Measurementprad.de/testberichte/alienware-aw3423dwf-oled-gaming-ueberzeugt/5Read 5 October 2026Brightness Control table Standard mode 243 nits. Firmware/window/connection not named. Table MOBA248 versus prose MOBA243 conflicts, only unambiguous Standard table value used, not claimed highest across presets.

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

5 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 AW3423DWF

Type	Version	Count	DSC	HDCP
DisplayPort	1.4	2	No	2.2
HDMI	2.0	1	Not available	2.2

Source2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp12-15 complete inventory, 2 DP 1.4 one HDMI 2.0, HDCP 2.2. Exact DP DSC absence TechSpot cross-check.7Reviewtechspot.com/review/2591-alienware-aw3423dwfRead 5 October 2026Design/Looks DP 1.4 does not use DSC explicit. HDMI 2.0 max native 100 Hz.

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

1=CalculatedFrom Video inputs

2=CalculatedFrom Video inputs

DisplayPort ports

2=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)

No2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp12-15 complete port inventory has no USB-C socket. Included USB-C to DP cable uses the DP input, not USB-C video port.

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 AW3423DWF

Connector	USB version	Count
USB-B	3.2 Gen 1	1

Source2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p13 one USB-B USB 3.2 Gen 1 upstream.

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 AW3423DWF

Connector	USB version	Count
USB-A	3.2 Gen 1	4

Source2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp12-15 four USB-A USB 3.2 Gen 1 downstream, 2 front bottom/2 rear, one front charging port included in count.

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

No2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026Complete pp12-15 physical inventory has no RJ45.

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.

Yes9Press articletomshardware.com/monitors/gaming-monitors/alienwares-34-inch-qd-oled-gaming-monitor-dips-below-usd500-for-black-friday-qhd-165hz-monitor-hits-all-time-low-pricingRead 5 October 2026Exact AW3423DWF paragraph explicitly 3.5 mm headphone jack. Manual pp13-15 independently proves headphone and line-out outputs, press used only for diameter. Article lag 27 ms not imported because conditions absent.

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.

No2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026Complete pp12-15 inventory has headphone and line-out only, no analog microphone input.

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

No2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026Complete pp12-15 inventory has no optical connector.

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

Yes2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p9 product feature, pp55-56 OSD controls.

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

Yes2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p9 product feature, pp55-56 OSD controls.

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-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026Tech Specs 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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 travel 0 to 110 mm.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 -5/+21 degrees.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 -20/+20 degrees.

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.

Not available

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p9 explicit removable, p37 procedure.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p11 mounting holes 100x100 behind cover.

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

No2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p38 four holes direct standard 100x100 bracket, no separate adapter.

Not available

Security lock slot

Yes2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p12 security slot explicit Kensington.

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.

Joystick, Software2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p12 joystick, pp71-83 AWCC display/game controls.

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

Dell Display Manager and Alienware Command Center (AWCC)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p15 DDM compatibility and AWCC Yes.

Not available

User firmware updates

Yes2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p92 USB troubleshooting explicit Refresh or update monitor firmware.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp49-52 AlienFX three zones and RGB codes.

Not available

Gaming menu features

Timer, Frame Rate, Display Alignment, Dark Stabilizer, Console Mode, AlienVision2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp42-47 Game Enhance/Dark Stabilizer/Console Mode/AlienVision named functions.

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 Refresh, Pixel shift2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp61-63 maintenance, p92 pixel-shift function. Thresholds not stored since firmware can change.

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-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026Bundled Services explicit 3-Year Advanced Exchange and Premium Panel Exchange including OLED burn-in.

Not available

Burn-in warranty length

3years1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p19 compressed/extended exact metric dimensions. Current maker page highest height 2.1 in is obvious malformed format, manual 525.57 mm wins.

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.

Width815.25Height364.15Depth127.11mm(32.1 × 14.3 × 5 in)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p19 exact body metrics.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p19 stand dimensions width 430.72 depth 305.71, not full monitor width 815.25.

Not available

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

9.65kg(21.3 lb)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p19 includes stand assembly and cables.

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.

6.27kg(13.8 lb)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p20 VESA weight without stand/cables.

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

14.57kg(32.1 lb)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p19 Weight with packaging.

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

10 of 13 differ

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/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p1 row 24 internal.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p18 100-240 VAC 50/60 Hz, tolerance ±3 Hz.

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.

Not available

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p18 maximum brightness/contrast and all USB load, 200 W.

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.

34W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p1 row 4 SDR On Mode 34.0 W, not generic Typical.

Not available

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.

35.5W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p1 row 6 HDR On Mode 35.5 W, separate read.

Not available

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

0.5W2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p18 EU 2019/2021 and 2019/2013 standby.

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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p18 EU off mode.

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/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p1 row 3.

Not available

EU energy class HDR

G5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p1 row 5.

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Energy per 1000 h SDR

34kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1337447.pdfRead 5 October 2026Visually read exact model label 34 kWh/1000h.

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Energy per 1000 h HDR

36kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1337447.pdfRead 5 October 2026Visually read exact model label 36 kWh/1000h, not derived from 35.5 W.

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Certifications

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VESA ClearMR

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VESA AdaptiveSync Display

165Hz3Maker spec sheet (PDF)mattiva.rs/fajlovi/product/files/2023-02-27314271.pdfRead 5 October 2026p11 explicit VESA AdaptiveSync 165 certification and p14 up to 165 claim.

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TÜV certifications

Low Blue Light (Hardware Solution)2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p10 exact hardware low blue light certification.

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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 manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026p10 TÜV Rheinland Hardware Solution factory/default ComfortView Plus.

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

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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, Power cable (varies by country), DisplayPort to DisplayPort 1.4 cable (1.80 m), USB Type-C to DisplayPort 1.4 cable (1 m), USB 3.2 Gen 1 upstream cable (1.80 m), Microfiber cloth, Quick Start Guide, Factory calibration report, Safety, Environmental, and Regulatory Information, Alienware Sticker2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp7-8 complete package, regional optional components note. HDMI cable excluded explicitly sold separately.

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 AW3423DWF

Type	Count
Power cable	1
DisplayPort to DisplayPort 1.4 cable (1.80 m)	1
USB Type-C to DisplayPort 1.4 cable (1 m)	1
USB 3.2 Gen 1 upstream cable (1.80 m)	1

Source2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026pp7-8 pictured one each, current US Cable Included explicit one each. Power cable country dependent.

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-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026U.S. Limited Warranty 3 years.

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

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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

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Product page

www.dell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessories1Maker product pagedell.com/en-us/shop/alienware-34-curved-qd-oled-gaming-monitor-aw3423dwf/apd/210-bfrp/monitors-monitor-accessoriesRead 5 October 2026Exact-model U.S. maker page opened. Currently unavailable is not proof permanently discontinued, status omitted.

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

mattiva.rs/fajlovi/product/files/2023-02-27314271.pdf3Maker spec sheet (PDF)mattiva.rs/fajlovi/product/files/2023-02-27314271.pdfRead 5 October 2026Full 15-page Dell maker reviewer spec sheet public retailer mirror opened. TOC p13 Technical Specs is outdated. Actual technical table p14, extra Why HDMI p13. Footer Confidential not restricted login, all substantive values cross-checked manual/maker.

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Manual

cdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdf2Owner's manualcdn.multitronic.fi/media/2/4/mmo_108293637_1744031057_9821_3649729.pdfRead 5 October 2026Dell June 2024 Rev A02 public manufacturer-document mirror, full PDF opened.

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.

13374475EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1337447_EN.pdfRead 5 October 2026p2 exact model AW3423DWF, current fiche. EU placement October 18 not used as retail.

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