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Dell Alienware AW2721D vs LG UltraGear 27GP850

Product A: Dell

Alienware AW2721D

118 of 172 known
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Compare the LG UltraGear 27GP850 with

Product B: LG

UltraGear 27GP850

102 of 172 known
Change LG UltraGear 27GP850

Compare the Dell Alienware AW2721D with

78 of 164 fields differ

Download CSVDownload JSON
  • 48 different values
  • 30 known for one only
  • 41 the same
  • 45 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: 50WDell is 28.3 W lower.
  2. Power use (typical)Lower is betterA: 22.69WB: 48WDell is 25.31 W lower.
  3. Standby powerLower is betterA: 0.3WB: 0.5WDell is 0.2 W lower.
  4. Power use (max)Lower is betterA: 95WB: 65WLG is 30 W lower.
  5. Refresh rateA: 240HzB: 180HzDell is 60 Hz higher.
  6. Brightness (typical, SDR)A: 450nitsB: 400nitsDell is 50 nits higher.
  7. Power use SDR (EU label)Lower is betterA: 31WB: 27.6WLG is 3.4 W lower.

Refresh rate per resolution

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

2560 × 1440Native for both
A240Hz
B180Hz

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
B6.3kg
Weight without stand
A6.3kg
B4.2kg
Box weight
A15.5kg
B9.1kg

All 172 fields

Every value links to where we found it.

ADell Alienware AW2721D
BLG UltraGear 27GP850

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
UltraGear1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own gaming line.
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.
27GP850-B1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. marketed model. Regional suffix from a linked support address is not assumed to be another product variant.
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.
1951740085081Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Exact U.S. productData AllInfo UPC 195174008508. Literal North American retail identifier, not the different UK sheet EAN.
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.
$499.995Reviewtftcentral.co.uk/news/lg-27gp850-with-27-1440p-nano-ips-panel-and-180hz-refresh-rateRead 5 October 2026Original May 4, 2021 report directly reads LG U.S. launch listing 499.99 before retail rollout. Distinct from rounded review 500 or later street discount.
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-27gp850-b-gaming-monitorRead 5 October 2026Own maker gaming classification.

Display

4 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-27gp850-b-gaming-monitorRead 5 October 2026Own advertised class.
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
2560 × 1440px1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own native QHD.
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-27gp850-b-gaming-monitorRead 5 October 2026Own ratio, matches native pixels.
Pixel density
108.8ppi
108.8ppi
Pixel pitch
0.2331mm2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.2331mm1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own equal horizontal/vertical 0.2331 mm. Consistent with native pixels and declared size.
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
Not available
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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact maker front/side geometry clearly flat, also own genuine U.S. front/side images. No curvature radius claimed.
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.
Matte1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Anti-Glare treatment. Separate anti-reflection coating is not inferred from this alone.
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

12 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-27gp850-b-gaming-monitorRead 5 October 2026Own Nano IPS LCD, not OLED.
Panel type (as published)
IPS2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Nano IPS1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own specific IPS technology.
Backlight
Edge-lit LED2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Not available
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.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 20 Variable Backlight expressly global dimming, not independently controlled zones. Free RTINGS own 27GP850 introduction separately says no local dimming. No zone count inferred.7Reviewrtings.com/monitor/reviews/lg/27gp850-b-27gp83b-bRead 5 October 2026Free public own 27GP850 review introduction explicitly no local dimming. Shared 27GP83B title acknowledged, own 27GP850 tested model identified. Hidden numeric tables and measurements not accessed.
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.
Not available
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 2026Own page 25 DisplayPort 10-bit and HDMI 8/10/12-bit signals supported, maker 1.07 B display colours and explicit 8-bit+FRC implementation from TFT. Total supported display depth 10, not native 12 from accepted HDMI signals. Per-mode depth remains unknown.
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.
FRC5Reviewtftcentral.co.uk/news/lg-27gp850-with-27-1440p-nano-ips-panel-and-180hz-refresh-rateRead 5 October 2026Exact model technical report explicitly 8-bit+FRC. Not a panel-method inference from 1.07 B or accepted 10-bit input alone.
Displayable colours
1.07 billion2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
1.07 billion1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own 1.07 B.
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.
98%1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own typical DCI-P3 CIE 1976 claim, not review measured gamut.
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-27gp850-b-gaming-monitorRead 5 October 2026Own Factory Calibration and Color Calibrated Yes. No numerical maker error bound inferred.
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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit HW Calibration No and True Color Pro No. Core functional absence, not a missing U.S. field assumption.
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-27gp850-b-gaming-monitorRead 5 October 2026Own typical 1000:1. Guaranteed minimum 700:1 not substituted.
Brightness (typical, SDR)
450nits2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
400nits1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own typical SDR 400. Not HDR peak derived from certification.
Brightness (maker minimum)
Not available
320nits1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own guaranteed minimum, not minimum slider luminance.
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.
Not available
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-27gp850-b-gaming-monitorRead 5 October 2026Own HDR 10 Yes. HDR Effect is SDR simulation, not another format.
HDR certification
DisplayHDR 6002Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
DisplayHDR 4001Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own explicit VESA Display HDR 400.
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-27gp850-b-gaming-monitorRead 5 October 2026Own R/L combined angle.
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-27gp850-b-gaming-monitorRead 5 October 2026Own U/D combined angle.

Refresh rate and motion

14 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 27GP850
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4
2560 × 1440Native144Hz180Hz
Source3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 25 expressly maximum native QHD 180 DisplayPort for 27GP850 and QHD 144 HDMI. DP 180 requires Overclock On, monitor reboot and GPU-rate selection per pages 18-19. HDMI Compatibility Mode Off required for QHD 100/120/144 per page 21. Unknown per-mode colour depth/chroma/DSC omitted. Lower-resolution timing entries are presets, not ceilings, so no lower-mode maxima guessed.
Max refresh rate
240Hz
180Hz
Max refresh rate at native resolution
240Hz
180Hz
Max refresh rate over DisplayPort
240Hz
180Hz
Max refresh rate over HDMI
144Hz
144Hz
Max refresh rate over USB-C
Not available
Not available
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-27gp850-b-gaming-monitorRead 5 October 2026Own ordinary rate without overclock.
Overclocked refresh rate
Not available
180Hz1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own explicit O/C 180, DisplayPort only per manual.
Dual mode
Not available
Not available
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, Adaptive-Sync, VESA AdaptiveSync Display1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own NVIDIA G-SYNC Compatible and AMD FreeSync Premium, with manual plain DisplayPort Adaptive-Sync. Generic NVIDIA G-Sync Yes row is not proof of a native module. Later named VESA certification mapped separately.6Press releaselgcorp.com/media/release/24835Read 5 October 2026Original LG May 23, 2022 release expressly 27GP850 and 27GP950 first certified VESA AdaptiveSync Display. This named certification supplements own FreeSync Premium/G-SYNC Compatible, not inferred from generic Adaptive-Sync.
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 27GP850
Not available
Low framerate compensation
Not available
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Low Frame Compensation Yes.
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-27gp850-b-gaming-monitorRead 5 October 2026Own GtG at Faster overdrive. Transition statistic/endpoint unstated. Reviewer selected Fast mean is different setting, not same-condition comparison.
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
Off, Normal, Fast, Faster3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 18 exact four Response Time menu levels. Reviewer chosen Fast differs from maker 1 ms Faster.
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-27gp850-b-gaming-monitorRead 5 October 2026Own explicit Motion Blur Reduction technology, with actual applicable manual menu.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own pages 18-19 explicitly backlight-controlled Motion Blur Reduction at HDMI 120/144 and DP 120/144/165. Current manual says cannot be used with FreeSync, unlike early Tech Spot loan-sample observed combined VRR/strobing. Combined strobing_with_vrr remains unresolved and omitted, no sample firmware behaviour assumed universal. Pixel black-frame insertion is not inferred from LCD strobing.
Blur-reduction technology
Not available
Motion Blur Reduction1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own published menu name.
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-27gp850-b-gaming-monitorRead 5 October 2026Own Flicker Safe Yes. Optional backlight strobing deliberately has different flicker behaviour.
Black frame insertion
Not available
Not available

Measured

6 of 12 differ
Input lag at maximum refresh rate
Not available
7.7ms8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/9.png Max Refresh Rate native QHD 180 Hz total processing+refresh+response 7.7 ms. Separate processing-only 0.3 ms excluded. Display-lag statistic includes response time, not generic network latency.
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.
4.65ms8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/23.png mean initial G2G across tested transitions, gamma-corrected 2021 method, calibrated, Fast OD, native QHD 180 Hz. Average total 8.07 and Faster 2.88 excluded. Not same OD/statistic as maker 1 ms Faster.
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.
4.2%8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/23.png Peak Overshoot table Average Error 4.2% at Fast 180 Hz, calibrated/gamma-corrected. Mean peak target-value error, not inverse-ghosting rate 7.3% (proportion of affected transitions) or worst 25.7%. Same tested condition as stored mean response.
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.
835:18Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/2.png after calibration contrast 835:1 at 200 nits in SDR mode. Pattern unstated. Different tested conditions from maker typical 1000.
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.
455nits8Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own bench/1.png calibrated SDR maximum 455 nits at 100% white. Exact chart value, rather than rounded prose around 450. OSD preset/level unstated, not HDR peak.
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
4.988Reviewtechspot.com/review/2251-lg-27gp850Read 5 October 2026Own images/default3.png pre-calibration native-gamut Color Checker mean dE2000=4.98 against sRGB, native resolution/highest refresh. Not average dEITP 17.3, maximum 9.51, greyscale or post-calibration result. Exact default picture-mode name unstated.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

4 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 27GP850
TypeVersionCountHDCP
HDMI2.022.2
DisplayPort1.412.2
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own physical HDMI 2.0 two / DP 1.4 one, both HDCP 2.2 explicitly. Unknown raw link bandwidth and DSC omitted. USB hub is separate.
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.0
2.0
Highest DisplayPort version
1.4
1.4
HDMI features
Not available
Not available
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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit USB Type-C No and Thunderbolt No. Core functional absence, not a missing U.S. field assumption.
USB-C power delivered
Not available
Not available
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 27GP850
ConnectorUSB versionCount
USB-B3.01
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own one USB upstream v 3.0. Connector USB-B from actual manual supplied A-B host cable.
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 27GP850
ConnectorUSB versionCount
USB-A3.02
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own two downstream v 3.0, physical Type-A diagram and own host/hub manual.
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.
Not available
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.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
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.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
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.
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Headphone Out Yes, actual manual connector and supplied accessory interface.
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.
No1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Headphone 3-Pole Yes explicitly output-only contacts. Original producer sheet Mic In No, no shared four-pole mic input.
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.
No3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Complete own connection inventory HDMI/DP inputs, USB-A/B hub, headphone output and DC power has no RJ 45/optical or video-output connector. No display-output chain.
Picture in picture
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Movies table PiP/PbP Neither supported, feature chart No.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit PIP No. Core functional absence, not a missing U.S. field assumption.
Picture by picture
No13Reviewtftcentral.co.uk/reviews/dell_alienware_aw2721dRead 7 October 2026Same explicit Neither supported statement, not generic gaming-monitor omission.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit PBP No. Core functional absence, not a missing U.S. field assumption.

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

1 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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Speaker No. Core functional absence, not a missing U.S. field assumption.
Number of speakers
Not available
Not available
Speaker power per channel
Not available
Not available
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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Camera No. Core functional absence, not a missing U.S. field assumption.
Microphone
Not available
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Mic No. Core functional absence, not a missing U.S. field assumption.

Ergonomics and controls

11 of 15 differ
Stand height adjustment
130mm2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
110mm1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own nominal 110 mm travel.
Tilt
Forward5°Backward21°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Forward5°Backward15°1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own -5/+15 degrees, positive directional magnitudes.
Swivel
Left20°Right20°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Left0°Right0°7Reviewrtings.com/monitor/reviews/lg/27gp850-b-27gp83b-bRead 5 October 2026Free public own 27GP850 introduction expressly stand cannot swivel. Tilt/pivot/height remain separately available.
Pivot
Counterclockwise90°Clockwise90°2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Counterclockwise0°Clockwise90°3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 8 explicitly rotates 90 degrees clockwise, page 9 sequence only clockwise. No counterclockwise rotation copied from other LG stands.
Removable stand
Yes2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Yes1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own Detachable Base and manual removable stand procedure.
VESA mount
100 x 1002Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
100 x 1001Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own exact VESA 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.
Not available
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 2026Own page 10 actual locking slot and Kensington cable attachment. Lock optional, not included accessory.
On-screen menu controls
Joystick, Buttons2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
Joystick, Software2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Own product supports OnScreen Control. Exact support application description explicitly Monitor Setting and picture mode controls, beyond layout-only Screen Split. Physical joystick separately original manual. Software firmware-update exclusion for this model is not ignored.3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 5 explicit joystick operation and page 16 actual settings menu. OnScreen Control desktop display controls separately own exact support. No remote guessed.
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 OnScreen Control2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Exact model support publishes application with monitor display settings and picture-mode controls. No installation performed. This is desktop menu/display control, not solely window layout.
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.
Not available
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.
No4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original exact model explicit Sphere Lighting No, ordinary colour trim not lighting. Core functional absence, not a missing U.S. field assumption.
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, User Define Key1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own actual named display/game features. FPS Counter reports received input frame rate, not game-engine internal FPS.

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.
Width614.2Height (lowest)465.9Height (highest)575.9Depth291.2mm(24.2 × 18.3 to 22.7 × 11.5 in)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 explicitly UP 575.9 and Down 465.9 endpoints, shared 614.2 width 291.2 depth. Actual labelled endpoints, not computed from travel.
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
Width614.2Height364.8Depth51.7mm(24.2 × 14.4 × 2 in)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 metric body. Malformed U.S. depth 24 inches excluded, not converted into implausible 609.6 mm depth.
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.
6.3kg(13.9 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 net with stand 6.3 kg, also original producer sheet. Cable inclusion unstated.
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.
4.2kg(9.3 lb)3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 body 4.2 kg, below stand-mounted mass.
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.
Width727Height205Depth487mm(28.6 × 8.1 × 19.2 in)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 shipping W x H x D metric, also own U.S. rounded 28.6 x 8.1 x 19.2 in. Packing 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.
9.1kg(20.1 lb)4Maker spec sheet (PDF)lgitproductportal.co.uk/wp-content/uploads/2021/09/27GP850-B.pdfRead 5 October 2026Original page 2 shipping 9.1 kg, agrees own U.S. 20.1 lb rounding and exceeds net product mass.

Power

10 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-27gp850-b-gaming-monitorRead 5 October 2026Own external adapter, not internal mains unit.
Adapter rating
Not available
Not available
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-27gp850-b-gaming-monitorRead 5 October 2026Own mains range.
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.
48W3Owner's manualgscs-b2c.lge.com/downloadFileRead 5 October 2026Own page 26 typical 48 W under LGE full-white pattern at maximum resolution. Actual settings/operating conditions can change demand. Not EU default 27.6 W.
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.
65W1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own maximum consumption, not rated adapter output. Whether peripheral load included is unstated.
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.
27.6W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 4. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
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.
50W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 6. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Standby power
0.3W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.5W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 8 ordinary standby demand. Own U.S. less-than 0.5 W is separate claim. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
Off-mode power
0.2W2Owner's manualdl.dell.com/content/manual1862413-alienware-aw2721d-monitor-user-s-guide.pdfRead 5 October 2026
0.3W9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 7 exact regulatory off demand. Own U.S. less-than 0.3 W is separate claim. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
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.
G9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 3. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
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.
G9EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Exact 27GP850 European PIS. English page 2 row 5. Regulatory default 60 Hz is not native maximum. Regional warranty and ABC/sensor definitions excluded.
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.
28kWh10EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Own visually read 27GP850 EU 2019/2013 label 28 kWh/1000 h, G. Mislabelled newer ENERGY LABEL download resolves an obsolete annual 63 kWh label, so excluded.
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.
50kWh10EU energy label (EPREL)lg.com/uk/lgecs.downloadFile.ldwfRead 5 October 2026Own visually read HDR 50 kWh/1000 h, G, not obsolete annual energy.

Certifications

0 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
Not available
Not available
TÜV certifications
Not available
Not available
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.
Software1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own selectable Reader Mode, no hardware solution inferred.
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, HDMI 2.0 cable, DisplayPort 1.4 cable, USB-A to USB-B 3.0 cable, Mouse holder1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. accessories plus actual manual stand and power assembly. Power-cable separation, paper calibration report, remote and VESA adapter inclusion remain unproved.
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 27GP850
Type
HDMI 2.0 cable
DisplayPort 1.4 cable
USB-A to USB-B 3.0 cable
Source1Maker product pagelg.com/us/monitors/lg-27gp850-b-gaming-monitorRead 5 October 2026Own U.S. HDMI/DP/USB A to B and USB 3 upstream cable rows explicitly Yes. One USB host cable counted once, not duplicate USB A-B and USB 3 claims. Physical counts unstated. Regional sheet USB A-B No conflict does not overwrite own U.S. bundle.

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.
1year2Maker product pagelg.com/us/support/product/lg-27GP850-BRead 5 October 2026Own exact U.S. support and product AllInfo explicitly 1 Year Parts & Labor. Applies ordinary lawful U.S. purchase, no regional two-year warranty transfer.
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.