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Dell Alienware AW2721D vs LG UltraGear evo GM9 27GM950B

Product A: Dell

Alienware AW2721D

118 of 172 known
Change Dell Alienware AW2721D

Compare the LG UltraGear evo GM9 27GM950B with

Product B: LG

UltraGear evo GM9 27GM950B

97 of 172 known
Change LG UltraGear evo GM9 27GM950B

Compare the Dell Alienware AW2721D with

95 of 164 fields differ

Download CSVDownload JSON
  • 52 different values
  • 43 known for one only
  • 28 the same
  • 41 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Power use HDR (EU label)Lower is betterA: 21.7WB: 53.5WDell is 31.8 W lower.
  2. Peak brightness (HDR)A: 600nitsB: 1,250nitsLG is 650 nits higher.
  3. Pixel densityA: 108.8ppiB: 217.6ppiLG is 108.8 ppi higher.
  4. Brightness (typical, SDR)A: 450nitsB: 750nitsLG is 300 nits higher.
  5. Standby powerLower is betterA: 0.3WB: 0.5WDell is 0.2 W lower.
  6. Refresh rateA: 240HzB: 165HzDell is 75 Hz higher.
  7. Power use SDR (EU label)Lower is betterA: 31WB: 41.6WDell is 10.6 W lower.

Refresh rate per resolution

The best rate over any port. Bars run from 0 to 1200 Hz.

5120 × 2880Native for B
ANot listed
B165Hz
4736 × 2664
ANot listed
B165Hz
2560 × 1440Native for A
A240Hz
B330Hz
2368 × 1332
ANot listed
B330Hz

Size, drawn to scale

Front and side. Solid lines show the stand at its lowest. Dashed lines show it at its highest.

Weight

0 to 15 kg

Weight with stand
A10.9kg
B8.5kg
Weight without stand
A6.3kg
B5.7kg
Box weight
A15.5kg
B11.9kg

All 172 fields

Every value links to where we found it.

ADell Alienware AW2721D
BLG UltraGear evo GM9 27GM950B

General

5 of 8 differ
Series
Alienware1Maker product pagedell.com/en-us/shop/alienware-27-gaming-monitor-aw2721d/apd/210-axsw/monitors-monitor-accessoriesRead 7 October 2026
UltraGear evo GM91Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own U.S. product title. This is the LCD Hyper Mini LED family.
Model numbers
AW2721D, AW2721Db, 210-AXSW, NHR9Y, 210-AXNU, P3VP11Maker product pagedell.com/en-us/shop/alienware-27-gaming-monitor-aw2721d/apd/210-axsw/monitors-monitor-accessoriesRead 7 October 2026Exact US archive identifies manufacturer part NHR9Y, Dell part 210-AXSW, order aw2721dsap. Exact Irish archive separately identifies P3VP1/210-AXNU. Marketing AW2721D and regulatory AW2721Db preserved. Regional order references not different panel models.2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own exact cover marketing/regulatory model names, not inferred from a sibling suffix.12Maker product pagedell.com/en-ie/shop/alienware-27-gaming-monitor-aw2721d/apd/210-axnu/monitors-monitor-accessoriesRead 7 October 2026Exact archived Irish offer manufacturer P3VP1 / Dell 210-AXNU / marketed AW2721D. US reference separately 210-AXSW/NHR9Y.
27GM950B-B1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Exact U.S. SKU, corroborated own 27GM950B manual cover and original 27GM950B-B.AUS sheet.
GTIN / EAN
539718420085811Retailer pagemultitronic.fi/en/products/3457550Read 7 October 2026Exact EU Dell 210-AXNU AW2721D retail listing EAN5397184200858. Mapped only to European regional row, not US210-AXSW. Clove exact model independently lists same barcode.
1951741477261Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Exact own U.S. AllInfo UPC, matching original U.S. sheet. Japanese JAN is excluded.
Announced
Not available
Not available
Status
Discontinued6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/fichesRead 7 October 2026Official fiche states model placed on Union market from 26 November 2020 to 26 November 2024. Exact current US/Irish maker pages say currently unavailable and redirect buyers to alternatives, while RTINGS explicitly names AW2723DF replacement. Discontinued model status refers to confirmed end of new EU placement and current maker availability. No worldwide factory-closure date or absence of remaining retail stock claimed.
Not available
Predecessor
Not available
Not available
Successor
Dell Alienware AW2723DF20Reviewrtings.com/monitor/reviews/dell/alienware-aw2723dfRead 23 October 2026RTINGS says the Alienware AW2723DF replaces the Alienware AW2721D.
Not available
Launch price (US)
$1,099.9910Press articlenotebookcheck.net/Alienware-announces-pricing-and-availability-for-its-new-gaming-monitors.497409.0.htmlRead 7 October 2026October 8, 2020 report explicitly attributes new pricing confirmation to Alienware, lists AW2721D 27 Gaming Monitor at US$1099.99 for November US launch. Independent same-day Tom’s Hardware report agrees 1099.99. Official US list reference, not later 749.99 maker archive price or 825/800 discounts. No price conversion or unproved euro/VAT price.
$1,199.998Press releaselg.com/us/press-release/ultragear-gx9-gm9-press-release.pdfRead 5 October 2026Own April 7 maker U.S. release PDF page 1 News Summary expressly $1199.99 for GM9. Later body rounds to $1199. Current maker original MSRP agrees. Preorder price does not prove actual delivered retail date.
Launch price (EU)
Not available
Not available
Markets
US, AT, BE, BG, HR, CY, CZ, DK, EE, FI, FR, DE, GR, HU, IS, IE, IT, LV, LI, LT, LU, MT, NL, NO, PL, PT, RO, SK, SI, ES, SE8EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625Read 7 October 2026Exact AW2721D record lists historical EU/EEA markets, with EL mapped to GR and XI excluded. US maker offer proves US. This base union does not bind a single regional order code to every listed country. The 210-AXNU row retains only directly proved IE and FI.
Not available
Colours
Lunar Light5Maker spec sheet (PDF)items-attachments.s1.citilink.ru/1454227/5fe19e7d5f472.pdfRead 7 October 2026Technical Specs printed 13, Color Options: Lunar Light. This is maker marketing colour, not an invented separate Black/White pair from mixed chassis finishes.
Not available
Segment
Gaming1Maker product pagedell.com/en-us/shop/alienware-27-gaming-monitor-aw2721d/apd/210-axsw/monitors-monitor-accessoriesRead 7 October 2026
Gaming1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own maker gaming-monitor classification.

Display

7 of 12 differ
Screen size
27in(68.6 cm)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
27in(68.6 cm)1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own U.S. advertised 27-inch size. No more precise viewable diagonal is invented.
Viewable screen diagonal
27in(68.6 cm)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Not available
Native resolution
2560 × 1440px2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
5120 × 2880px1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own exact AllInfo native 5K. Native panel resolution is distinct from lower-resolution Dual Mode.
Aspect ratio
16:92Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
16:91Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own maker table, matching native pixel ratio.
Pixel density
108.8ppi
217.6ppi
Pixel pitch
0.2331mm2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.1166mm1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own horizontal and vertical pixel pitch 0.11655 mm. Japanese published whole-mm active area is consistent with rounding.
Active display area
Width596.7Height335.7mm(23.5 × 13.2 in)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Width597Height336mm(23.5 × 13.2 in)4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own original 27GM950B-B technical table active 597 x 336 mm. Whole-mm published precision is retained. It is not calculated from rounded pitch.
Curved
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact published spec chart Format Flat, independently Tech Spot flat panel and RTINGS exact-model public variant row Curved No.
No5Maker product pagelg.com/uk/monitors/gaming-monitor/27gm950b-bRead 5 October 2026Own exact-model front and right-side maker gallery photographs show a flat panel. The side image depicts straight front-screen geometry. No radius or curve is inferred from display size or IPS technology.
Curvature radius
Not available
Not available
Screen surface
Matte9Reviewrtings.com/monitor/reviews/dell/alienware-aw2721dRead 7 October 2026Public changelog August 11, 2025 changed Screen Finish from Semi-Gloss to Matte to reflect coating interaction with light. Exact panel anti-glare maker claim and TFT light-AG description agree. Old semi-gloss classification preserved as changed reviewer taxonomy, not hardware revision.
Matte9Reviewpcworld.com/article/3215049/lg-ultragear-evo-ai-gm9-review.htmlRead 5 October 2026Exact concluding paragraph explicitly anti-glare matte finish. Matte plastic chassis alone is not used as screen evidence.
Anti-reflection coating
Anti-glare with 3H hardness2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Not available
Touchscreen
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact published feature chart Touch Screen crossed No. Maker input/control inventory independently matches ordinary non-touch screen. Bottom touch-sensor lighting control is not a touchscreen digitizer.
Not available

Panel

15 of 31 differ
Panel type
IPS2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
IPS1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own AllInfo Display Type IPS, independently original U.S. technical sheet.
Panel type (as published)
IPS2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Not available
Backlight
Edge-lit LED2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Mini-LED2Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Own Mini-LED Technology Yes and Hyper Mini LED product identity. This is a backlit IPS LCD, not self-emissive OLED.
Local dimming
Yes5Maker spec sheet (PDF)items-attachments.s1.citilink.ru/1454227/5fe19e7d5f472.pdfRead 7 October 2026Feature Overview printed 4 explicitly localized dimming for VESA Display HDR 600. Dedicated backlight zones, not global contrast or assumed certification alone. User guide calls it Variable Backlight.
Yes2Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Own original U.S. Local Dimming Zone 2304. Exact manual page 20 has adjustable Local Dimming control.
Dimming zones
3213Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026HDR tests identify 32 vertical edge-lit zones, qualified as far as reviewer can tell. Tech Spot independently explicitly 32 edge-lit zones. Not a FALD LED count or 32 x 32 matrix.
2,3042Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Own exact Local Dimming Zone row 2304, independently primary release. Physical mini LEDs total 9216 and are not zone count.8Press releaselg.com/us/press-release/ultragear-gx9-gm9-press-release.pdfRead 5 October 2026Own exact GM9 paragraph PDF page 2 separately states 9216 physical mini LEDs and 2304 local dimming zones. Original U.S. sheet agrees.
Panel maker
LG Display13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Panel chart and Gaming paragraph explicitly LG.Display. Exact AW2721D review sample, not inferred from generic IPS.
Not available
Panel part number
LM270WQB13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Panel chart and Gaming explicitly LM270WQB. No unproved suffix is appended. Supplier or firmware revisions may vary.
Not available
Panel generation
Not available
Not available
Subpixel layout
Not available
Not available
Colour depth
10bits13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Panel table explicitly 8-bit+FRC, supporting 10-bits/channel under schema definition. Not native 10-bit or inferred solely from 1.07 billion colours.
10bits3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 expressly supports 8-bit/10-bit colour. This proves supported per-channel depth, not native panel method or the bit depth of each maximum-rate mode.
Colour depth method
FRC13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Explicit 8-bit+FRC implementation in exact panel/spec charts, not native 10-bit.
Not available
Displayable colours
1.07 billion2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
1.06 billion1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own literal 1.06B. This is not changed to 1.07B. Native/FRC implementation is unstated.
sRGB coverage
Not available
Not available
DCI-P3 coverage
98%2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own DCI-P3 98% claim, CIE reference unstated. The separate 131.3% sRGB extent is not a coverage value.
99%1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own typical DCI-P3 99%, CIE 1976. Coverage, not gamut volume. Minimum 95% on the UK page is a separate guarantee.
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own Factory Calibration Yes. Physical paper report is not established.
Claimed Delta E
Not available
Not available
Paper calibration report in box
No16Owner's manualgzhls.at/blob/ldb/b/3/1/9/6ecc6446b95ec028fa31e65fad57c3ef8484.pdfRead 7 October 2026Complete maker Package Contents printed 7–8 lists display, stand parts, I/O cover, cables, quick guide, SERI, Alienware welcome card, without a physical calibration report. Closed box inventory, not inference from absent factory-calibration marketing. Documentation media differences in October reviewer guide are not a paper calibration report.
Not available
Hardware calibration support
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact feature chart Hardware Calibration No. ICC/profile changes operate at graphics card, not writing an internal monitor LUT.
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own H/W Calibration True Color Pro Yes, original sheet Ready, and own manual SDR calibrated profiles using LG Calibration Studio. Ordinary ICC calibration is not substituted.
Static contrast ratio
1,000:12Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
1,000:11Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own panel native static 1000:1. Local-dimming dynamic contrast and reviewer prose are separate.
Brightness (typical, SDR)
450nits2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
750nits1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own typical SDR 750 cd/m². Window, local-dimming setting and picture preset are unstated.
Brightness (maker minimum)
Not available
600nits1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own maker minimum 600 cd/m², not lowest adjustable brightness.
Peak brightness (HDR)
600nits2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own maker HDR peak 600 nits. Window, duration and mode are unstated.
1,250nits1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own peak 1250 cd/m², independently exact UK HDR/DisplayHDR feature. Maker internal test conditions are unstated. No window percentage, real scene or full-screen value inferred.
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR1013Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026HDR section explicitly screen accepts HDR10 input. No HLG/Dolby Vision/Plus inferred from generic HDR 600 certification.
HDR101Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own HDR10 Yes. HDR Effect is SDR processing and is not another accepted HDR format.
HDR certification
DisplayHDR 6002Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
DisplayHDR 10001Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own VESA DisplayHDR 1000. This is the LCD certification, not OLED True Black.
Viewing angle (horizontal)
178°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own 178 degrees R/L. UK technical table specifies CR at least 10.
Viewing angle (vertical)
178°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
178°1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own 178 degrees U/D. UK technical table specifies CR at least 10.

Refresh rate and motion

16 of 22 differ
Refresh rate per resolution and port
ADell Alienware AW2721D
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4
2560 × 1440Native144Hz240Hz8-bit, 4:4:4
Source2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Maker Resolution Specifications state native 2560 x 1440 maximum DP 240 Hz and HDMI 144 Hz. Exact TFT test independently adds DP 8-bit RGB 4:4:4 at 240 Hz and 10-bit RGB 4:4:4 maximum 144 Hz. HDMI bit-depth, chroma and DSC remain unknown.13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact tested DisplayPort table: native maximum 240 Hz 8-bit Full RGB, and maximum 144 Hz 10-bit Full RGB at 2560 x 1440. Full RGB corresponds 4:4:4. New separate 10-bit maximum row, not an ordinary timing extrapolation. Existing HDMI 144 Hz maker row preserved without unproved bit-depth/chroma. DSC remains unstated. GPU RTX 3090. Firmware unknown.
BLG UltraGear evo GM9 27GM950B
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 2.1 UHBR20USB-C DisplayPort 1.4 Alt Mode
5120 × 2880Native165Hz165Hz144Hz
4736 × 2664165Hz165Hz144Hz
2560 × 1440330Hz330Hz288Hz
2368 × 1332330Hz330Hz288Hz
Source3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 19 explicitly bounds Dual Mode Off Full Wide native 5120 x 2880 and Off 24.5-inch crop 4736 x 2664 at 165 Hz HDMI/DP or 144 Hz USB-C. Dual Mode On Full Wide 2560 x 1440 and On 24.5-inch crop 2368 x 1332 are bounded at 330 Hz HDMI/DP or 288 Hz USB-C. Own input support tables pages 24-27 accept these matching signals. Explicit per-input ceilings establish maxima, not presets alone. HDMI native requires 2.1(PC), DP native 1.4 or 2.1 and USB-C native 1.4(USB-C) compatibility. Host, cable, USB-C resolution/data preference and GPU performance can affect operation. Per-mode DSC, depth and chroma unstated and omitted.
Max refresh rate
240Hz
330Hz
Max refresh rate at native resolution
240Hz
165Hz
Max refresh rate over DisplayPort
240Hz
165Hz
Max refresh rate over HDMI
144Hz
165Hz
Max refresh rate over USB-C
Not available
144Hz
Max refresh rate at 10-bit
144Hz
Not available
Native refresh rate
240Hz2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
165Hz1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own 165 Hz at native 5K on HDMI/DP. USB-C native maximum is separately 144 Hz in current manual.
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own explicit 5K 165 Hz / QHD 330 Hz paired mode, with dedicated physical button in manual.
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
G-SYNC Ultimate2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own Product Features names the native NVIDIA tier. Generic scan intervals are not actual VRR ranges, and AMD compatibility or certification is not borrowed from similar models.
G-SYNC Compatible, FreeSync Premium, VESA AdaptiveSync Display1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own exact named G-SYNC Compatible and FreeSync Premium. Original U.S. sheet names VESA Adaptive Sync and VESA Dual-Mode. No FreeSync Premium Pro or native G-SYNC module inherited from erroneous reviewer table.
VRR range per port
ADell Alienware AW2721D
InputMin (Hz)Max (Hz)
DisplayPort1240
Source13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Refresh section explicitly 1–240 Hz supported thanks to native G-SYNC module, discussed with DisplayPort VRR. Nvidia path, firmware version unstated. Low frame duplication can provide effective low rates. Not claimed physical panel native 1 Hz. No HDMI lower bound copied from scan range.
BLG UltraGear evo GM9 27GM950B
Not available
Low framerate compensation
Not available
Yes11Maker product pageamd.com/en/products/graphics/technologies/freesync.htmlRead 5 October 2026Official AMD makes LFC mandatory for producer-confirmed FreeSync Premium. No unproved per-input VRR interval inferred.
Response time (maker GtG claim)
1ms2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own fastest maker GtG 1 ms in Extreme, with potential visible artifacts. Super Fast 2 ms and Fast 3 ms are separate settings.
1ms1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own 1 ms GtG at Faster overdrive. This is a maker fastest claim, not measured mean or MPRT.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Fast, Super Fast, Extreme2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Not available
Motion blur reduction
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Dedicated blur-reduction mode explicitly absent in both feature chart and Gaming text. High refresh and fast response do not imply strobing.
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own Motion Blur Reduction Technology Yes. Current manual page 19 lists its operating rates.
Blur-reduction technology
Not available
1ms Motion Blur Reduction4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own exact feature name. Manual page 19 requires HDMI/DP 120, 144 or 165 Hz, or USB-C 120/144 Hz before enabling it. No operation at 330/288 Hz, simultaneous VRR or separate MPRT measurement inferred.
Blur reduction works with VRR
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact feature chart Blur Reduction+VRR No, alongside absent dedicated blur-reduction mode. Not a statement that ordinary VRR is unsupported.
Not available
Flicker-free (claimed)
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own Flicker Safe Yes. Strobing Motion Blur Reduction is a separate selectable mode.
Black frame insertion
Not available
Not available

Measured

4 of 12 differ
Input lag at maximum refresh rate
Not available
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
3.6ms14Measurementtftcentral.co.uk/images/dell_alienware_aw2721d/gaming.pngRead 7 October 2026Full 30-transition 0/50/100/150/200/255 table mean G2G 3.6 ms, native 2560 x 1440 at 240 Hz, Fast overdrive, RTX 3090. ETC M526/photosensor, traditional 10–90% optical brightness endpoints. Smaller initial subset 4.2 ms is not full mean. No gamma-corrected metric or best 0.8 ms Extreme substituted. Firmware unknown.15Measurementtftcentral.co.uk/articles/response_timeRead 7 October 2026Published January 2013 method linked by exact February 2021 review: ETC M526 plus photosensor, 10% starting / 90% target optical brightness endpoints. Actual AW2721D full chart has 30 transitions, although old generic article describes 20. No invented gamma correction.
Not available
Overshoot (measured)
2.4%14Measurementtftcentral.co.uk/images/dell_alienware_aw2721d/gaming.pngRead 7 October 2026Same full 30-transition Fast 240 Hz table Average overshoot error 2.4%. Optical overshoot amplitude as percentage of requested brightness change, averaged across transitions. This is neither worst 20.4% nor percentage of transitions with more than 15% error. Source graph uses incorrect (ms) heading in summary, but table title and published method explicitly percent. Firmware unknown.15Measurementtftcentral.co.uk/articles/response_timeRead 7 October 2026Same dated linked method defines overshoot as fraction of requested optical brightness change and averages its percentage across tested transitions. Unknown firmware kept unknown.
Not available
Contrast ratio (measured)
976:118Measurementtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact default Standard 50% brightness state: 226 cd/m2 white/0.23 black, published 976:1, no ICC, ambient sensor/local dimming off. X-Rite i1Pro 2/LaCie Blue Eye Pro with i1Display Pro Plus black verification. Brightness-sweep average 997 and calibrated 939 are different conditions, not substituted. Firmware unknown.
Not available
SDR brightness (measured)
502nits18Measurementtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Coherent exact TFT sample maximum SDR 502 cd/m2 at brightness 100%, standard default controls, ambient sensor/local dimming off, GPU ICC/gamma corrections disabled. Small white sample, area percentage unstated. X-Rite i1Display Pro Plus with basICColor method. Firmware unpublished. Tech Spot separate sample/run maximum 532 nits preserved externally, not blended or treated as universal contradiction.
Not available
HDR brightness in a real scene (measured)
Not available
Not available
PWM flicker frequency (measured)
Not available
Not available
VRR range (measured)
Not available
Not available
Colour accuracy (measured Delta E)
Not available
Not available
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

14 of 19 differ
Video inputs
ADell Alienware AW2721D
TypeVersionCount
DisplayPort1.41
HDMI2.02
Source2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
BLG UltraGear evo GM9 27GM950B
TypeVersionCount
DisplayPort2.1 UHBR201
HDMI2.12
USB-CDisplayPort 1.4 Alt Mode1
Source2Maker spec sheet (PDF)files.bbystatic.com/us0GylSyMfdsH3lLWlUJkg%3D%3D/61b2cd5e-fa69-47de-b2ad-7c5c7163a994.pdfRead 5 October 2026Own original U.S. Input/Output explicitly DP 2.1 UHBR20 one, HDMI FRL 2.1 two and USB-C DP 1.4 one. No numerical bandwidth, DSC state or port-specific HDCP inferred. UK mislabeled USB-C maximum-resolution row 2.3 is not a rate.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.0
2.1
Highest DisplayPort version
1.4
2.1 UHBR20
HDMI features
Not available
VRR3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 19 explicitly HDMI VRR supported. Other HDMI feature names are unproved.
USB-C video (DP Alt Mode)
No2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own complete physical inventory has no USB-C socket.
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 15 explicitly PD and DP Alternate Mode through USB-C. Monitor power still comes from AC/DC adapter.
USB-C power delivered
Not available
90W1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own 90 W supplied to a compatible host. The monitor requires its separate adapter.
Thunderbolt
Not available
Not available
USB upstream ports
ADell Alienware AW2721D
ConnectorUSB versionCount
USB-B3.2 Gen 11
Source2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
BLG UltraGear evo GM9 27GM950B
ConnectorCount
USB-C1
Source1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own USB upstream via USB-C, one socket. USB revision on upstream row unstated.
USB downstream hub ports
ADell Alienware AW2721D
ConnectorUSB versionCount
USB-A3.2 Gen 14
Source2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own total four peripheral Type-A sockets, including one charging socket. The charging function does not add another socket.
BLG UltraGear evo GM9 27GM950B
ConnectorUSB versionCount
USB-A3.2 Gen 12
Source1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own two peripheral ports, USB 3.2 Gen 1. Original sheet agrees. Current manual page 16 says USB-C to USB-C limits downstream to USB 2.0, while USB-C to USB-A supports USB 3.0 with a compatible host.
KVM switch
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Exact feature chart KVM switch No. One USB-B host upstream hub is not a KVM.
No9Reviewpcworld.com/article/3215049/lg-ultragear-evo-ai-gm9-review.htmlRead 5 October 2026Exact 27GM950B-B review explicitly says no KVM functionality. Incorrect DP 1.4, FreeSync Premium Pro and native-resolution typos in its final table are not inherited.
Daisy chain (MST)
No16Owner's manualgzhls.at/blob/ldb/b/3/1/9/6ecc6446b95ec028fa31e65fad57c3ef8484.pdfRead 7 October 2026Complete physical connector tables/views show only HDMI and DP video inputs, one host USB-B upstream and peripheral USB-A ports. No video output/MST connector. This bounded inventory establishes no built-in video daisy-chain arrangement, not exclusion of external splitters.
Not available
Ethernet
No2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own complete physical inventory has no Ethernet socket.
Not available
3.5 mm headphone output
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own headphone port is separate from rear line-out, which explicitly does not support headphones.
Yes4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own original base-model stereo-mini four-pole headphone/microphone socket. Manual page 16 corroborates shared headset functionality.
3.5 mm microphone input
No2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own complete physical inventory has analog output sockets only, with no microphone input.
Yes4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own four-pole stereo-mini socket microphone contacts, not a separate socket. Manual page 16 requires upstream USB connection to PC for microphone function.
Optical out
No2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own complete physical inventory has no optical audio socket.
Not available
Picture in picture
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Movies table PiP/PbP Neither supported, feature chart No.
Not available
Picture by picture
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Same explicit Neither supported statement, not generic gaming-monitor omission.
Not available

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

4 of 5 differ
Speakers
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Movies table explicitly No integrated speakers. Existing headphone/line-out ports are external outputs. No fabricated zero-driver rows.
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own Speaker Yes. Explicit count is sourced separately from exact reviewer wording.
Number of speakers
Not available
29Reviewpcworld.com/article/3215049/lg-ultragear-evo-ai-gm9-review.htmlRead 5 October 2026Exact own-model specification explicitly two 7-watt speakers. This states physical speakers, not merely stereo output channels.
Speaker power per channel
Not available
7W5Maker product pagelg.com/uk/monitors/gaming-monitor/27gm950b-bRead 5 October 2026Own exact Speaker 7 W x 2, independently original Japanese 7 W+7 W. Stored per-channel rated output, not 14 W total.
Webcam
No11Retailer pagemultitronic.fi/en/products/3457550Read 7 October 2026Exact AW2721D/210-AXNU multimedia table explicitly Built-in camera No. Primary complete front/back/bottom inventory contains ambient sensor and display controls, no camera. Clove same actual model agrees. No external webcam accessory is inherited.
Not available
Microphone
Not available
Not available

Ergonomics and controls

7 of 15 differ
Stand height adjustment
130mm2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
130mm3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 10 direct stand travel 130 mm. This is not minimum overall height.
Tilt
Forward5°Backward21°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Forward5°Backward21°3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 direct -5/+21 degrees. Positive directional magnitudes stored.
Swivel
Left20°Right20°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Left30°Right30°3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 direct 30 degrees left and right.
Pivot
Counterclockwise90°Clockwise90°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Counterclockwise90°3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 11 explicitly rotates 90 degrees counterclockwise. Clockwise range is not invented.
Removable stand
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 8 instructs removing stand before wall mounting by reversing assembly.
VESA mount
100 x 1002Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
100 x 1003Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 7 exact rear wall-mount pattern.
VESA adapter needed
No16Owner's manualgzhls.at/blob/ldb/b/3/1/9/6ecc6446b95ec028fa31e65fad57c3ef8484.pdfRead 7 October 2026Authentic exact AW2721D/AW2721Db maker guide printed 38 complete VESA procedure: remove plastic cover four screws, attach standard wall mounting bracket with M4 x 10 mm bolts. No separate VESA adapter needed. External mounting bracket itself is not an adapter.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 7-9 attach optional wall bracket directly to rear mounting pattern. No separate VESA adapter required.
Security lock slot
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Yes3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 6 locking procedure. Kensington cable is optional.
On-screen menu controls
Joystick, Buttons2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Joystick, Buttons, Software3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 9-10 show joystick and dedicated Dual Mode button. Page 18 LG Switch Personalized Picture Wizard and calibrated profiles operate display settings. PCWorld separately confirms LG Switch has the same display controls.9Reviewpcworld.com/article/3215049/lg-ultragear-evo-ai-gm9-review.htmlRead 5 October 2026Exact control paragraph explicitly LG Switch accesses the same monitor controls. Manual joystick and dedicated button evidence is separate.
Desktop software
Alienware Command Center (AWCC)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own AWCC/Alien FX section controls LED lighting effects. It does not establish software control of the display OSD.
LG Switch, LG Calibration Studio3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 13 and 18 name actual display-control apps. Dual Controller sharing software is separate from menu control.
User firmware updates
No17Maker product pagedell.com/community/en/conversations/alienware-desktops/aw2721d-firmware-update/647f99acf4ccf8a8ded1a907Read 7 October 2026Exact maker Community Manager answer January 15, 2022 says user firmware update not possible and no public update/tool exists. Current exact model driver search locates INF driver VP801/A00-00, described as supplying configuration to OS, despite generic File Format Firmware Images label. It is not a hardware updater. EPREL 8-year software/firmware availability undertaking does not document public user updater. Factory M0B102/M0B103 units do not imply user flash support.19Maker product pagedell.com/support/home/en-uk/drivers/driversdetailsRead 7 October 2026Current exact VP801/A00-00 listing is a monitor INF driver that supplies configuration to the operating system, not a monitor firmware updater. It does not contradict Dell Community Manager’s explicit 2022 denial of public user firmware updates. Factory revisions and regulatory minimum software availability do not establish a user update route.
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Own exact product page expressly instructs downloading LG Switch to install the latest monitor firmware update for picture performance. This is firmware, not only a desktop layout app.
Ambient light sensor
Yes5Maker spec sheet (PDF)items-attachments.s1.citilink.ru/1454227/5fe19e7d5f472.pdfRead 7 October 2026Feature Overview printed 5 and Technical Specs printed 13 explicitly Ambient Light Sensor Yes, detects ambient light and adjusts brightness. User-guide top view independently identifies physical sensor. EPREL ABC No is regulatory availability, not proof sensor absent.
Not available
Presence sensor
Not available
Not available
RGB lighting
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own Alien FX section explicitly supports RGB colour codes and effects across physical lighting zones.
Yes1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own RGB LED Lighting Unity Hexagon Lighting. Manual page 21 documents selectable static colours and cycling.
Gaming menu features
Timer, Frame Rate, Display Alignment, Dark Stabilizer2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Black Stabilizer, Dynamic Action Sync, Crosshair, FPS Counter, AI Upscaling, AI Scene Optimization, AI Sound1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Own AllInfo expressly names Black Stabilizer, Dynamic Action Sync, Crosshair and FPS Counter. AI Upscaling and AI Sound are own page key features, with full AI Boost menu names and conditions separately sourced to manual pages 18-19 and primary release.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed pages 18-19 name three AI Boost controls and gaming controls, independently own U.S. table for Dynamic Action Sync. Crosshair and FPS Counter are mutually exclusive. AI Scene Optimization requires Personalized Picture, Gamer 1, Gamer 2, FPS, RTS, Vivid or Max Brightness. AI Sound applies to internal speakers and connected headphones. AI Upscaling minimum input is unresolved: April 7 release footnote 12 and current product-page footnote 3 claim at least WFHD, while current own-page footnote 2 recommends 1080p at 60 Hz and PCWorld directly observed 1080p Nintendo Switch upscaling. Stored feature names do not assert a minimum input resolution.

OLED care

None of 3 known
OLED care
Not available
Not available
Burn-in covered by warranty
Not available
Not available
Burn-in warranty length
Not available
Not available

Dimensions and weight

7 of 7 differ
Dimensions with stand
Width607.7Height (lowest)443.1Height (highest)555.3Depth251.9mm(23.9 × 17.4 to 21.9 × 9.9 in)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Original maker guide supplies 607.7 mm width and 251.9 mm depth. October 2020 maker Reviewer’s Guide independently supplies overall compressed 443.1 mm and extended 555.3 mm heights. These are overall envelopes, distinct from 130 mm panel travel.5Maker spec sheet (PDF)items-attachments.s1.citilink.ru/1454227/5fe19e7d5f472.pdfRead 7 October 2026Printed 7 dimension illustration explicitly height with stand 443.1 mm min–555.3 mm max, and Technical Specs printed 13 compressed/extended same endpoints. Complete overall stand/display envelope, not panel travel. Guide stand-riser minimum 443.1 mm can protrude above lowered panel, so endpoint difference 112.2 mm does not replace separately published 130 mm panel adjustment. Width/depth unchanged.
Width615Height (lowest)405Height (highest)535Depth249mm(24.2 × 15.9 to 21.1 × 9.8 in)4Maker product pagelg.com/jp/monitors/gaming-monitors/27gm950b-bRead 5 October 2026Own original base-model table directly states 615 x 405-535 x 249 mm with stand. All dimensions retain this whole-mm source precision and explicitly published minimum/maximum height endpoints. Own U.S. manual and UK 614.5 x 535.3 x 249.1 mm corroborate the rounded upper position. Minimum height is not computed from stand travel. Regional warranty, package cables and Japanese JAN are not inherited.
Dimensions without stand
Width607.7Height356Depth82.4mm(23.9 × 14 × 3.2 in)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Width614.5Height360.1Depth70mm(24.2 × 14.2 × 2.8 in)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 direct body metrics, independently exact UK table. Rounded inches in early U.S. sheet are not converted.
Stand footprint
Width465.2Depth251.9mm(18.3 × 9.9 in)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own physical table stand width 465.2 mm and depth 251.9 mm, separate from panel-body width.
Not available
Weight with stand
10.9kg(24 lb)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own weight with stand assembly and cables.
8.5kg(18.7 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 net with stand and without packaging, independently UK and original U.S. rounding.
Weight without stand
6.3kg(13.9 lb)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own no-stand/no-cable weight for VESA considerations.
5.7kg(12.6 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 net body without stand/packaging, independently UK.
Box dimensions
Width259.1Height524Depth741.9mm(10.2 × 20.6 × 29.2 in)11Retailer pagemultitronic.fi/en/products/3457550Read 7 October 2026Named packaging rows: Package width 259.1 mm, height 524 mm, depth 741.9 mm, packaged weight 15.5kg. These published box axes are preserved literally, not sorted by size or substituted for upright screen dimensions. Flat-packed box orientation. Clove same named rows agree. Regional EU retail packaging reference.
Width811Height166Depth491mm(31.9 × 6.5 × 19.3 in)5Maker product pagelg.com/uk/monitors/gaming-monitor/27gm950b-bRead 5 October 2026Own exact shipping W x H x D table, matching original Japanese base model. Flat-packed box orientation retained.
Box weight
15.5kg(34.2 lb)2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own packaged weight.
11.9kg(26.2 lb)5Maker product pagelg.com/uk/monitors/gaming-monitor/27gm950b-bRead 5 October 2026Own exact shipping 11.9 kg, above complete 8.5 kg product. U.S. original 26.2 lb agrees within source rounding.

Power

11 of 13 differ
Power supply
Internal2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
External adapter1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own external AC/DC adapter, independently manual.
Adapter rating
Not available
270W3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 23 two adapter options each 20 V x 13.5 A output, exactly 270 W. Device rating 20 V x 12 A, 240 W is separate and is not maximum operating consumption.
Input voltage
100-240 V AC, 50/60 Hz2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
100-240 V AC, 50/60 Hz1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own mains input, matching adapter input. Not monitor 20 V DC or USB PD.
Power use (typical)
22.69W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own Pon uses the Energy Star reference method. Separate EU on-mode value is not substituted for this claim.
Not available
Power use (max)
95W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own maximum brightness/contrast with maximum loading on all USB ports.
Not available
Power use SDR (EU label)
31W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own electrical on-mode value as defined in EU 2019/2021 and 2019/2013, separate from Energy Star Pon.
41.6W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 4, EU default 60 Hz on-mode SDR demand. Not native 165 Hz or typical gaming power.
Power use HDR (EU label)
21.7W6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/fichesRead 7 October 2026Official fiche parameter 6: HDR on-mode power demand 21.7 W. SDR parameter 4 is 31.0 W. HDR demand can be below SDR under different regulatory content tests. This exact unrounded demand is distinct from 22 kWh/1000h label. Not HDR peak instantaneous consumption.
53.5W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 6 HDR on-mode demand.
Standby power
0.3W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.5W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 8. Current maker specification is less than 0.5 W. No network standby value invented.
Off-mode power
0.2W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.3W6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 7. Current U.S./UK maker less-than 0.3 W qualifier is separate. Early U.S. sheet less-than 0.5 W is less precise.
EU energy class SDR
G6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/fichesRead 7 October 2026Official fiche parameter 3: SDR class G. Current maker IE table agrees.
G6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 3 and visually read label.
EU energy class HDR
F6EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/fichesRead 7 October 2026Official fiche parameter 5: HDR class F. Current maker IE table agrees.
G6EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact English PIS PDF page 2 row 5 and visually read label.
Energy per 1000 h SDR
31kWh7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/labelsRead 7 October 2026Official generated energy-label download is ZIP containing Label_352625.pdf/png/svg. Exact AW2721D label says 31 kWh/1000h SDR, class G. Read actual PDF and extracted text, not annual 72.25 kWh.
42kWh7EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact visually read EU label integer 42. Not computed from 41.6 W.
Energy per 1000 h HDR
22kWh7EU energy label (EPREL)eprel.ec.europa.eu/api/products/electronicdisplays/352625/labelsRead 7 October 2026Same exact official label says 22 kWh/1000h HDR, class F. Rounded label figure retained, separate from precise 21.7 W Product Information Sheet demand.
54kWh7EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact visually read EU label integer 54, separate from SDR.

Certifications

1 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
TÜV Rheinland Anti-blooming Hyper Mini LED8Press releaselg.com/us/press-release/ultragear-gx9-gm9-press-release.pdfRead 5 October 2026Own exact GM9 paragraph PDF page 2 expressly TÜV Rheinland-certified Anti-blooming Hyper Mini LED. Certificate number unstated. Not a low-blue-light or flicker certificate.
Low blue light
Software2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own Comfort View preset reduces blue emission through software setting. No unproved hardware-solution certification is inferred.
Software3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Printed page 18 Reader SDR picture mode, independently Japanese blue-light-reduction feature. No hardware low-blue-light certification is proved.
ENERGY STAR
Not available
Not available
TCO Certified
Not available
Not available
EPEAT
Not available
Not available
Colour certifications
Not available
Not available
Other certifications
Not available
Not available

In the box

2 of 2 differ
In the box
Display, Stand riser, Stand base, I/O cover, Power cable (varies by country), DisplayPort to DisplayPort cable, Mini DisplayPort to DisplayPort cable, USB 3.2 Gen 1 upstream cable, Quick setup guide, Safety, Environmental and Regulatory Information, Alienware welcome card2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own exact Package Contents. Optional market items and power cable can vary. HDMI cable is not listed and electrical cable description explicitly says not included.
Monitor, Stand, AC/DC adapter, Power cable, HDMI cable, DisplayPort cable, USB-C cable1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own U.S. three cable rows and manual stand/power assembly. Regional cable lengths, report, remote and paper extras are unstated.
Cables included
ADell Alienware AW2721D
TypeCount
Power cable1
DisplayPort to DisplayPort cable (1.8 m)1
Mini DisplayPort to DisplayPort cable (1.8 m)1
USB 3.2 Gen 1 upstream cable (1.8 m)1
Source2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026Own package table pictures/lists one each. Lengths are preserved only where this exact guide states them.
BLG UltraGear evo GM9 27GM950B
Not available

Warranty

2 of 2 differ
Manufacturer warranty (source market)
3years1Maker product pagedell.com/en-us/shop/alienware-27-gaming-monitor-aw2721d/apd/210-axsw/monitors-monitor-accessoriesRead 7 October 2026Exact US maker limited hardware warranty 3 years, with region-specific service terms.
1year1Maker product pagelg.com/us/monitors/lg-27gm950b-b-gaming-monitorRead 5 October 2026Exact U.S. AllInfo. Own U.S. one-year parts and labor. Original U.S. sheet and current manual warranty agree. Japanese three-year warranty and optional two-year Premium Care extension are separate.
Dead pixel policy
Premium Panel Exchange: free panel replacement during the limited hardware warranty even if one bright pixel is found.5Maker spec sheet (PDF)items-attachments.s1.citilink.ru/1454227/5fe19e7d5f472.pdfRead 7 October 2026Printed 6 explicitly Premium Panel Exchange permits free panel replacement within Limited Hardware Warranty even if one bright pixel is found. US maker shop separately includes three-year Premium Panel Guarantee. No unproved dark-subpixel threshold or image-retention coverage is added.
Not available

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