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ASUS TUF Gaming VG27AQM5A vs Dell Alienware AW2521H

Product A: ASUS

TUF Gaming VG27AQM5A

89 of 172 known
Change ASUS TUF Gaming VG27AQM5A

Compare the Dell Alienware AW2521H with

Product B: Dell

Alienware AW2521H

106 of 172 known
Change Dell Alienware AW2521H

Compare the ASUS TUF Gaming VG27AQM5A with

81 of 164 fields differ

Download CSVDownload JSON
  • 44 different values
  • 37 known for one only
  • 29 the same
  • 54 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Response timeLower is betterA: 0.3msB: 1msASUS is 0.7 ms lower.
  2. Power use HDR (EU label)Lower is betterA: 45WB: 18.3WDell is 26.7 W lower.
  3. Power use SDR (EU label)Lower is betterA: 26WB: 19.1WDell is 6.9 W lower.
  4. Brightness (typical, SDR)A: 300nitsB: 400nitsDell is 100 nits higher.
  5. ContrastA: 1,300:1B: 1,000:1ASUS is 1.3 times higher.
  6. Standby powerLower is betterA: 0.5WB: 0.4WDell is 0.1 W lower.
  7. Pixel densityA: 108.8ppiB: 89.9ppiASUS is 18.9 ppi higher.

Refresh rate per resolution

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

2560 × 1440Native for A
A300Hz
BNot listed
1920 × 1080Native for B
ANot listed
B360Hz

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
A4.6kg
B8.1kg
Weight without stand
A3.6kg
B4.5kg
Box weight
A6.4kg
B12.3kg

All 172 fields

Every value links to where we found it.

AASUS TUF Gaming VG27AQM5A
BDell Alienware AW2521H

General

6 of 8 differ
Series
TUF Gaming3Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5aRead 23 October 2026Page title: TUF Gaming Series 5 - VG27AQM5A. Stored as TUF Gaming.
Alienware1Maker product pagedell.com/en-us/shop/alienware-25-gaming-monitor-aw2521h/apd/210-aycbRead 5 October 2026
Model numbers
VG27AQM5A, 90LM0BG0-B019B2, 90LM0BG0-B019C1, 90LM0BG0-B019714Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Model VG27AQM5A. The part numbers come from the ASUS eShop pages.9Maker product pageeshop.asus.com/us/90lm0bg0-b019b2-tuf-gaming-vg27aqm5a.htmlRead 23 October 2026ASUS eShop US lists Product Name VG27AQM5A with Part Number 90LM0BG0-B019B2.10Maker product pageeshop.asus.com/ca-en/90lm0bg0-b019c1-tuf-gaming-vg27aqm5a.htmlRead 23 October 2026ASUS eShop Canada lists Product Name VG27AQM5A with Part Number 90LM0BG0-B019C1.11Maker product pagewebshop.asus.com/ch-en/90LM0BG0-B01971/TUF-Gaming-VG27AQM5ARead 23 October 2026ASUS webshop Switzerland lists TUF Gaming VG27AQM5A with part number 90LM0BG0-B01971. MediaMarkt Netherlands lists the same code. The code 90LM0BG0-B019B1 was not found in any source and is not stored.
AW2521H, AW2521Hb1Maker product pagedell.com/en-us/shop/alienware-25-gaming-monitor-aw2521h/apd/210-aycbRead 5 October 2026Exact marketing and regulatory models independently read on own original guide cover.2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own exact cover marketing/regulatory model names, not inferred from a sibling suffix.
GTIN / EAN
1971058601008Retailer pageamazon.com/dp/B0F233D6W1Read 23 October 2026Amazon US item details: model number VG27AQM5A, UPC 197105860100, ASIN B0F233D6W1, 3 Year Warranty with ARR. This is the US retail code.
8841163833697Retailer pagegamestop.com/pc-gaming/monitors/pc/products/alienware-aw2521h-25-in-fhd-1920x1080-360hz-1ms-g-sync-compatible-gaming-monitor/311805.htmlRead 7 October 2026Exact AW2521H new US retail reference. European EAN 5397184409541 not asserted for the US package. Refurbished Best Buy GSRF code 400064571209 excluded.
Announced
Not available
13 May 20205Press articleengadget.com/alienware-area-51-m15-m17-aurora-140007085.htmlRead 7 October 2026Original exact model preview on May 13, 2020. First public announcement, distinct from October pricing and November retail. Maker original May blog not recovered. May 18 TFTCentral article is later coverage.
Status
Available1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The maker's page is live with a where-to-buy link and the model is on sale at Amazon US.
Not available
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
$899.994Press articlenotebookcheck.net/Alienware-announces-pricing-and-availability-for-its-new-gaming-monitors.497409.0.htmlRead 7 October 2026Original October 8, 2020 maker launch-price announcement reported by Notebookcheck. Exact 24.5-inch 360 Hz AW2521H. Independent same-day Tom’s Hardware launch report agrees. Subsequent sale prices excluded. Original maker page no longer exposes launch price.
Launch price (EU)
Not available
Not available
Markets
Not available
US, EU, AU, JP, CN4Press articlenotebookcheck.net/Alienware-announces-pricing-and-availability-for-its-new-gaming-monitors.497409.0.htmlRead 7 October 2026Original launch availability explicitly names these markets for November 2020. This records markets in which model was sold, not present stock. Japan actual maker release was December 2, 2020, later than the forecast. China already independently verified in original release source. Exact shared AW2521H model, not an AW2521HF regional SKU. China October 2020 availability also explicitly stated in same launch report.
Colours
Black4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Colors: Black.
Dark Side of the Moon6Maker product pagedell.com/en-uk/shop/alienware-25-gaming-monitor-aw2521h/apd/210-ayclRead 7 October 2026Exact AW2521H maker colour. Lunar Light belongs to AW2521HFL 240 Hz, not this model. Matching global panel and housing reference, UK cable/warranty not transplanted.
Segment
Gaming1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026TUF Gaming gaming monitor line on the maker's site.
Gaming1Maker product pagedell.com/en-us/shop/alienware-25-gaming-monitor-aw2521h/apd/210-aycbRead 5 October 2026

Display

9 of 12 differ
Screen size
27in(68.6 cm)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Panel Size 27 inch.
24.5in(62.2 cm)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Viewable screen diagonal
Not available
24.5in(62.2 cm)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Native resolution
2560 × 1440px1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026
1920 × 1080px2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Aspect ratio
16:91Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026
16:92Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Pixel density
108.8ppi
89.9ppi
Pixel pitch
0.2331mm4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Pixel pitch 0.2331 mm x 0.2331 mm. The maker page rounds it to 0.233 mm.
0.2829mm2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own horizontal pitch 0.2829 mm. Separate vertical pitch 0.2802 mm is not put into this scalar. Active dimensions and pixel count agree at published precision.
Active display area
Width596.74Height335.66mm(23.5 × 13.2 in)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Display Viewing Area (H x V) 596.74 x 335.66 mm, stored as width by height.
Width543.2Height302.6mm(21.4 × 11.9 in)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Curved
Not available
No8Retailer pagenewegg.com/black-dell-alienware-aw2521h-24-5/p/0JC-0004-00SV8Read 7 October 2026Exact AW2521H 360 Hz retailer table explicitly Flat Panel. No curvature radius zero inferred.
Curvature radius
Not available
Not available
Screen surface
Matte1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Display Surface Anti-Glare, stored as matte.
Matte10Reviewpcmonitors.info/dell/dell-alienware-aw2521h-360hz-full-hd-ips-modelRead 7 October 2026Exact AW2521H descriptive source, consistent with maker anti-glare 3H. No named coating replacement.
Anti-reflection coating
Anti-Glare1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Display Surface: Anti-Glare, verbatim.
Anti-glare with 3H hardness2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Touchscreen
Not available
No9Retailer pagesenetic.co.uk/product/GAME-AW2521HRead 7 October 2026Exact GAME-AW2521H retailer table. Other template values conflicting with maker not adopted.

Panel

11 of 31 differ
Panel type
Fast IPS1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026
Fast IPS2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Panel type (as published)
Fast IPS1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026
Fast IPS2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Backlight
Not available
Edge-lit LED2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Local dimming
Not available
No11Reviewrtings.com/monitor/reviews/dell/alienware-aw2521hRead 7 October 2026Own tested exact AW2521H public HDR verdict explicitly has no local dimming. Maker Variable Backlight changes whole backlight intensity. It is dynamic/global backlight control, not independent local zones. DisplayNinja independently agrees. No zone count zero inferred.
Dimming zones
Not available
Not available
Panel maker
Not available
AU Optronics10Reviewpcmonitors.info/dell/dell-alienware-aw2521h-360hz-full-hd-ips-modelRead 7 October 2026Exact AW2521H supplier explicitly named. AHVA is IPS-like AUO technology, not VA. Exact part number and panel generation not published.
Panel part number
Not available
Not available
Panel generation
Not available
Not available
Subpixel layout
Not available
Not available
Colour depth
8bits4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Display colors 16.7M colors (8 bits). FRC is not mentioned, so the method is left out.
8bits10Reviewpcmonitors.info/dell/dell-alienware-aw2521h-360hz-full-hd-ips-modelRead 7 October 2026Exact native panel statement. Supported high-bit input is not native 10-bit. DisplaySpecifications independently says 8 bits with FRC No. Epey 6-bit+FRC row is inconsistent with these specialist sources and appears template contamination.
Colour depth method
Not available
Native10Reviewpcmonitors.info/dell/dell-alienware-aw2521h-360hz-full-hd-ips-modelRead 7 October 2026Same explicit true 8-bit panel claim. Does not derive bits from 16.7 million displayed colours.
Displayable colours
16.7 million1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Display Colors 16.7M, written as 16.7 million.
16.7 million2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
sRGB coverage
Not available
99%2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own 99% sRGB claim. CIE basis is unstated.
DCI-P3 coverage
95%2Maker product pageasus.com/uk/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026ASUS UK and Germany tech spec: Color Space (DCI-P3) 95%. The US overview also says 95% DCI-P3. The label does not say coverage or volume.
Not available
Adobe RGB coverage
Not available
Not available
Rec. 2020 coverage
Not available
Not available
NTSC coverage
Not available
Not available
Factory calibrated
Not available
Yes15Reviewdisplayninja.com/dell-alienware-aw2521h-reviewRead 7 October 2026Exact descriptive calibration claim. Maker existing calibration accuracy target is ΔE2000 <1.5 average. Review measurement can vary and remains separate. No paper report claim inferred.
Claimed Delta E
Not available
1.52Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own average Delta E 2000 < 1.5 alongside sRGB 99% colour claim. Preset and detailed test conditions are unstated. This maker calibration target is not a reviewed colour-error result.
Paper calibration report in box
Not available
Not available
Hardware calibration support
Not available
Not available
Static contrast ratio
1,300:11Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Contrast Ratio (Typ.) 1300:1. The manual's separate 100,000,000:1 maximum figure is a dynamic claim and is not stored.
1,000:12Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Brightness (typical, SDR)
300nits1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Brightness (Typ.) 300 cd/m2.
400nits2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Brightness (maker minimum)
Not available
Not available
Peak brightness (HDR)
Not available
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR101Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026HDR (High Dynamic Range) Support HDR10.
HDR102Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
HDR certification
None1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The certificate list names G-SYNC Compatible, AMD FreeSync Premium, VESA AdaptiveSync Display 300Hz and two TUV marks, with no DisplayHDR level. The VESA DisplayHDR list does not contain the model.7Certification listdisplayhdr.org/certified-productsRead 23 October 2026VESA certified DisplayHDR list checked in all tiers. It holds ASUS VG27AQML5A and VG27AQL5A families but no VG27AQM5A entry. Stored as none because the maker lists only HDR10.
Not available
Viewing angle (horizontal)
178°1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Viewing Angle (CR>=10, H/V) 178 / 178.
178°2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Viewing angle (vertical)
178°1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026
178°2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026

Refresh rate and motion

12 of 22 differ
Refresh rate per resolution and port
AASUS TUF Gaming VG27AQM5A
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4
2560 × 1440Native300Hz300Hz
Source1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Refresh Rate (Max) 300 Hz. Digital Signal Frequency lists HDMI and DP at 48 to 300 Hz (V). The manual's supported timing list shows 2560 x 1440 at 300 Hz on both HDMI and DP. DisplayPort is 1.4 (HBR3) and HDMI is 2.1 (FRL). Bit depth, chroma and DSC conditions are not published, so none are stored. Lower-resolution timing rows are not stored.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.5 Supported timing list: 2560 x 1440 at 300 Hz appears for both HDMI and DP. The OSD also offers a DisplayPort 1.2 or 1.4 stream setting and a DSC support toggle.
BDell Alienware AW2521H
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4
1920 × 1080Native240Hz360Hz
Source2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own Resolution Specifications explicitly maximum native resolution at the stated DP and HDMI rates. Bit depth, chroma, DSC and lower-resolution maxima are unproved and omitted.
Max refresh rate
300Hz
360Hz
Max refresh rate at native resolution
300Hz
360Hz
Max refresh rate over DisplayPort
300Hz
360Hz
Max refresh rate over HDMI
300Hz
240Hz
Max refresh rate over USB-C
Not available
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
300Hz1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Refresh Rate (Max) 300 Hz with a VESA AdaptiveSync Display 300Hz certificate. The page lists no overclock mode. The Amazon US feature text writes 300 Hz (OC).
360Hz2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
Not available
Adaptive sync technologies
VESA AdaptiveSync Display, FreeSync Premium, G-SYNC Compatible1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026VRR Technology Yes (Adaptive-Sync). Certificate list names G-SYNC Compatible, AMD FreeSync Premium and VESA AdaptiveSync Display 300Hz.
G-SYNC2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.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.
VRR range per port
AASUS TUF Gaming VG27AQM5A
InputMin (Hz)Max (Hz)
DisplayPort48300
HDMI48300
Source4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.1.2: Variable Refresh Rate can only be activated within 48 Hz to 300 Hz for both HDMI and DisplayPort. Low framerate compensation is not described.
BDell Alienware AW2521H
Not available
Low framerate compensation
Not available
Not available
Response time (maker GtG claim)
0.3ms1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Response Time 1 ms (GTG), 0.3 ms (min.). The 0.3 ms minimum is stored as the fastest claim. The manual lists 0.3 ms GTG as its typical response time.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Response time (typ.) 0.3 ms GTG.
1ms2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.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.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Variable OD Level 0, Variable OD Level 1, Variable OD Level 2, Variable OD Level 3, Variable OD Level 4, Variable OD Level 54Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.1.2: Variable OD, Level 0 to Level 5.
Fast, Super Fast, Extreme2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Motion blur reduction
Yes3Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5aRead 23 October 2026Overview: ELMB Sync enables ELMB, a backlight-based motion blur reduction, together with variable refresh rate.
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own NVIDIA ULMB paragraph supports only direct DisplayPort at fixed 144 or 240 Hz, not through a dongle/hub. It is not the normal 360 Hz operating mode.
Blur-reduction technology
ELMB Sync3Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5aRead 23 October 2026Overview and spec table name ELMB Sync. The manual's OSD names ELMB and ELMB SYNC.
NVIDIA ULMB2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Blur reduction works with VRR
Yes3Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5aRead 23 October 2026Overview: ASUS ELMB Sync lets ELMB and variable refresh rate work simultaneously. The manual says ELMB alone needs VRR off.
No2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own NVIDIA ULMB paragraph expressly requires Enable G-SYNC not selected in NVIDIA Control Panel.
Flicker-free (claimed)
Yes1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Flicker-free: Yes.
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Black frame insertion
Not available
Not available

Measured

3 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)
Not available
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
Not available
890.4:118Measurementtomshardware.com/reviews/alienware-aw2521h-360hz-monitor/2Read 7 October 2026Own exact AW2521H review uncalibrated maximum-backlight static white/black ratio, Custom Color mode per page 3 methodology, Variable Backlight off. Separate approximately 1300:1 dynamic and 918.9:1 ANSI excluded. Linked methodology full-field white/black patterns and ratio. LaptopMedia 1040:1 in Standard mode is a different picture condition, not silent replacement.
SDR brightness (measured)
Not available
440nits17Measurementlaptopmedia.com/review/alienware-aw2521hRead 7 October 2026Own AW2521H June 20, 2022 lab review: maximum white luminance at screen centre in Standard SDR mode. NVIDIA RTX 2060 display connection. Test-window percentage and meter model not named in public prose, not fabricated. Tom’s Hardware Custom Color sample just over 460 and Quasar 464.1 under different/unstated settings are not interchangeable maker replacements.
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
2.433419Measurementtomshardware.com/reviews/alienware-aw2521h-360hz-monitor/3Read 7 October 2026Exact own AW2521H uncalibrated first colour chart explicitly reads Color Gamut - Standard, default and Avg dE2000 2.4334, with CIE1976 u′v′ geometry and sRGB reference. Specific chart identifies Standard/default, while generic prose says testing and calibration in Custom Color. This mode-label discrepancy is retained, not silently resolved. Out-of-box state is independently explicit in the adjacent text. Post-calibration 1.50 and grayscale 3.11 excluded.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

6 of 19 differ
Video inputs
AASUS TUF Gaming VG27AQM5A
TypeVersionCountHDCP
DisplayPort1.412.2
HDMI2.122.2
Source1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026I/O Ports: DisplayPort 1.4 x1 (HBR3), HDMI (v2.1) x2 (FRL). HDCP: Yes, 2.2, listed once for the monitor and stored on each input. HDMI link bandwidth is not published.
BDell Alienware AW2521H
TypeVersionCount
DisplayPort1.41
HDMI2.02
Source2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
HDMI ports
2
2
DisplayPort ports
1
1
Highest HDMI version
2.1
2.0
Highest DisplayPort version
1.4
1.4
HDMI features
Not available
Not available
USB-C video (DP Alt Mode)
No1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The only USB-C port is listed as a Service Port. It is not a video input. The manual's input list holds DisplayPort, HDMI-1 and HDMI-2 only.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 1.3.2: the USB type-C port is a service port for firmware upgrades. It does not carry video.
No2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own complete physical inventory has no USB-C socket.
USB-C power delivered
Not available
Not available
Thunderbolt
Not available
Not available
USB upstream ports
AASUS TUF Gaming VG27AQM5A
Not available
BDell Alienware AW2521H
ConnectorUSB versionCount
USB-B3.2 Gen 11
Source2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
USB downstream hub ports
AASUS TUF Gaming VG27AQM5A
Not available
BDell Alienware AW2521H
ConnectorUSB versionCount
USB-A3.2 Gen 14
Source2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own total four peripheral Type-A sockets, including one charging socket. Charging and Reflex functions do not add sockets.
KVM switch
Not available
Not available
Daisy chain (MST)
Not available
Not available
Ethernet
No4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 1.3.2 back view lists earphone jack, service port, HDMI ports, DisplayPort, AC-IN and Kensington lock. No Ethernet.
No2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own complete physical inventory has no Ethernet socket.
3.5 mm headphone output
Yes1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Earphone Jack: Yes.
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own headphone port is separate from rear line-out, which explicitly does not support headphones.
3.5 mm microphone input
No4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 lists the earphone jack and Audio input: No. Section 1.3.2 shows no microphone input.
No2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own complete physical inventory has analog output sockets only, with no microphone input.
Optical out
No4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 1.3.2 back view shows no optical output.
No2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own complete physical inventory has no optical audio socket.
Picture in picture
Not available
No13Revieweftm.com/2021/03/review-alienware-aw2521h-gaming-monitor-207972/ampRead 7 October 2026Own exact AW2521H hands-on explicitly no multi-input PIP/PBP support. Consistent with complete maker OSD feature inventory.
Picture by picture
Not available
No13Revieweftm.com/2021/03/review-alienware-aw2521h-gaming-monitor-207972/ampRead 7 October 2026Same explicit sentence. Resolution switching does not mean simultaneous sources.

Smart features

None of 4 known
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
Not available
Not available

Audio and camera

3 of 5 differ
Speakers
Yes1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Audio, Speaker: Yes (2Wx2).4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Speaker (built-in) 2 W x 2 Stereo, RMS.
No12Reviewtomshardware.com/reviews/alienware-aw2521h-360hz-monitorRead 7 October 2026Exact 360 Hz AW2521H table and physical review state no internal speakers. No speaker count or per-channel power zero stored.
Number of speakers
21Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Speaker Yes (2Wx2), two speakers.
Not available
Speaker power per channel
2W1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Speaker Yes (2Wx2), 2 W per speaker.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Speaker (built-in) 2 W x 2 Stereo, RMS.
Not available
Webcam
Not available
Not available
Microphone
Not available
Not available

Ergonomics and controls

10 of 15 differ
Stand height adjustment
0mm1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Height Adjustment: No. Stored as 0 mm.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Height adjustment: No. Stored as 0 mm.
130mm2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Tilt
Forward5°Backward20°1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Tilt Yes (+20 to -5 degrees), stored as 5 forward and 20 backward.
Forward5°Backward21°2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Swivel
Left20°Right20°1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Swivel Yes (+20 to -20 degrees). The overview page shows swivel and pivot figures from other models in a shared template, so the tech spec and manual are used.
Left20°Right20°2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Pivot
Counterclockwise0°Clockwise0°1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The manual lists Pivot: No. Stored as 0 and 0. The overview page's pivot figure belongs to a shared template for other models.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Pivot: No. Stored as 0 and 0.
Counterclockwise90°Clockwise90°2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Removable stand
Yes4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 2.3: the detachable arm and base are designed for VESA wall mount.
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
VESA mount
100 x 1001Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026VESA Wall Mounting 100x100 mm.
100 x 1002Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
VESA adapter needed
Not available
No14Owner's manualm.media-amazon.com/images/I/C1BEKAl2z0L.pdfRead 7 October 2026Maker VESA wall mounting page 36: remove stand and four plastic-cover screws, then directly attach compatible wall mounting bracket with specified M4 screws. No proprietary adapter required. Optional wall bracket is separate from adapter.
Security lock slot
Yes1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Kensington Lock: Yes.
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
On-screen menu controls
Joystick, Buttons, Software4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 1.3.1: a 5-way button, a close button, two shortcut buttons and a power button. DisplayWidget Center controls the settings from Windows.
Joystick, Buttons2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Desktop software
DisplayWidget Center1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026DisplayWidget: Yes, DisplayWidget Center.
Alienware Command Center (AWCC)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own AWCC/AlienFX section controls LED lighting effects. It does not establish software control of the display OSD.
User firmware updates
Yes3Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5aRead 23 October 2026DisplayWidget Center lists a Firmware Update Notification. The manual describes a USB-C service port for the user to upgrade the monitor firmware.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Sections 1.3.2 and 2.5: the service port connects the monitor to a PC with a USB type-C cable to upgrade its firmware.
Not available
Ambient light sensor
Not available
Yes14Owner's manualm.media-amazon.com/images/I/C1BEKAl2z0L.pdfRead 7 October 2026Maker-authored AW2521H/AW2521Hb 2022 user guide. OSD page 52 explicitly says the ambient light sensor automatically adjusts backlight brightness, default Off and disabled for HDR. Physical presence is separately named by the maker reviewer sheet. Dell-hosted PDF routes were unavailable, and this public authentic guide mirror was downloaded and read independently.
Presence sensor
Not available
Not available
RGB lighting
Not available
Yes2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own AlienFX section explicitly supports RGB colour codes and effects across physical lighting zones.
Gaming menu features
GamePlus, FPS Counter, Crosshair, Dynamic Crosshair, Timer, Stopwatch, Display Alignment, GameVisual, Shadow Boost, Dynamic Shadow Boost, AI Visual, GameFast Input4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Sections 1.3.3, 1.3.4 and 3.1.2: GamePlus (FPS counter, crosshair, timer, stopwatch, display alignment), GameVisual and Shadow Boost. Dynamic Crosshair appears in the GamePlus menu. Dynamic Shadow Boost, AI Visual and GameFast Input come from the maker page.
Timer, Frame Rate, Display Alignment, Dark Stabilizer, NVIDIA Reflex Latency Analyzer2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own Reflex Latency Analyzer is a system-latency feature, not a monitor-only measured-lag value.

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
Width614.84Height (lowest)455.01Height (highest)455.01Depth213.81mm(24.2 × 17.9 × 8.4 in)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The page gives 61.50 x 45.50 x 21.40 cm. The manual's outline drawing gives the exact millimetres. The stand has no height adjustment, so the minimum and maximum heights are equal.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.3 outline drawing: 614.84 wide, 455.01 high and 213.81 deep, which match the 61.5 x 45.5 x 21.4 cm of section 3.2.
Width556.3Height (lowest)421.2Height (highest)526.1Depth251.9mm(21.9 × 16.6 to 20.7 × 9.9 in)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own complete display width/depth are direct. Height endpoints come from the maker guide mirror listed below, which labels the overall envelope separately from the 130 mm panel travel.14Owner's manualm.media-amazon.com/images/I/C1BEKAl2z0L.pdfRead 7 October 2026Maker guide page 19 explicitly labels overall with-stand height: extended 526.1 mm, compressed 421.2 mm. Separate stand-only heights are 436.8/421.2 mm, and panel travel is separately 130 mm. Main approved literal overall endpoints without forcing their difference to equal panel travel.
Dimensions without stand
Width614.84Height366.52Depth53.95mm(24.2 × 14.4 × 2.1 in)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026The page gives 61.50 x 36.70 x 5.40 cm. The manual's outline drawing gives the exact millimetres.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.3 outline drawing: 614.84 wide, 366.52 high and 53.95 deep, which match the 61.5 x 36.7 x 5.4 cm of section 3.2.
Width556.3Height328.2Depth84.4mm(21.9 × 12.9 × 3.3 in)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Stand footprint
Not available
Width465.2Depth251.9mm(18.3 × 9.9 in)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own physical table stand width 465.2 mm and depth 251.9 mm, separate from panel-body width.
Weight with stand
4.6kg(10.1 lb)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Net Weight 4.6 kg, an estimate that varies by region.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Net weight (incl. stand) 4.6 kg.
8.1kg(17.9 lb)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own weight with stand assembly and cables.
Weight without stand
3.6kg(7.9 lb)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Net Weight without Stand 3.6 kg, an estimate that varies by region.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Net weight (without stand) 3.6 kg.
4.5kg(9.9 lb)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own no-stand/no-cable weight for VESA considerations.
Box dimensions
Width686Height475Depth160mm(27 × 18.7 × 6.3 in)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Box Dimension 68.60 x 47.50 x 16.00 cm (W x H x D).4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Box dimension 68.6 x 47.5 x 16.0 cm (W x H x D).
Not available
Box weight
6.4kg(14.1 lb)1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Gross Weight 6.4 kg.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Gross Weight (Esti.) 6.4 kg.
12.3kg(27.1 lb)2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own packaged weight.

Power

9 of 13 differ
Power supply
Internal5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 24 power supply type: Internal.
Internal2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Adapter rating
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.2 Voltage rating AC 100 ~ 240V at 50/60Hz.
100-240 V AC, 50/60 Hz2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Power use (typical)
Not available
21.232W2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own Pon uses the Energy Star reference method. Separate EU on-mode value is not substituted for this claim.
Power use (max)
Not available
83W2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own maximum brightness/contrast with maximum loading on all USB ports.
Power use SDR (EU label)
26W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 4 on-mode power demand in SDR 26.0 W.
19.1W2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own electrical on-mode value as defined in EU 2019/2021 and 2019/2013, separate from Energy Star Pon.
Power use HDR (EU label)
45W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 6 on-mode power demand in HDR 45.0 W.
18.3W21EU energy label (EPREL)eprel.ec.europa.eu/api/product/364442/fichesRead 7 October 2026Exact AW2521H EU fiche row 6. EU label HDR on-mode test power, not US typical or peak consumption. Same model identifier and SDR 19.1, standby 0.4/off 0.3 agree original/current maker guide. No EU warranty or support term added.
Standby power
0.5W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 8 standby 0.5 W. The manual says less than 0.5 W.
0.4W2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
Off-mode power
0.3W5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 7 off mode 0.3 W. The manual says less than 0.3 W.
0.3W2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026
EU energy class SDR
F5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 3 class F.
E21EU energy label (EPREL)eprel.ec.europa.eu/api/product/364442/fichesRead 7 October 2026Exact AW2521H EU2019/2013 energy classification under EU registration364442. Regional regulatory test scope.
EU energy class HDR
G5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Row 5 class G.
E21EU energy label (EPREL)eprel.ec.europa.eu/api/product/364442/fichesRead 7 October 2026Exact AW2521H EU2019/2013 HDR classification. No automatic conversion from power.
Energy per 1000 h SDR
26kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2261779.pdfRead 23 October 2026Printed label value 26 kWh/1000h.
19kWh22EU energy label (EPREL)eprel.ec.europa.eu/api/product/364442/labelsRead 7 October 2026Original exact AW2521H EU energy label, upper SDR value 19 kWh per 1000 h, class E. Public label downloaded, extracted and visually checked. Not calculated from 19.1 W fiche.
Energy per 1000 h HDR
45kWh6EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_2261779.pdfRead 23 October 2026Printed label value 45 kWh/1000h.
18kWh22EU energy label (EPREL)eprel.ec.europa.eu/api/product/364442/labelsRead 7 October 2026Original exact AW2521H EU energy label lower HDR value 18 kWh per 1000 h, class E. Not calculated from 18.3 W fiche. Regional regulatory test scope, no EU warranty/support terms.

Certifications

2 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
300Hz1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Certificate list: VESA AdaptiveSync Display 300Hz.
Not available
TÜV certifications
Low Blue Light, Flicker-free1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Certificate list: TUV Low Blue Light, TUV Flicker-free.
Not available
Low blue light
Software4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 3.1.2: Blue Light Filter level 4 complies with TUV Low Blue Light Software Solution certification. It is a selectable picture setting.
Software2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own ComfortView preset reduces blue emission through software setting. No unproved hardware-solution certification is 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
LCD Monitor, Monitor Base, Monitor Arm, Quick Start Guide, Warranty Card, Power Cord, DisplayPort cable, L-shaped Screwdriver1Maker product pageasus.com/us/displays-desktops/monitors/tuf-gaming/tuf-gaming-vg27aqm5a/techspecRead 23 October 2026Accessories (varies by region): warranty card, quick start guide, power cord, L-shaped screwdriver, DisplayPort cable. The monitor, base and arm come from the manual's package contents.4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Section 1.2 package contents: LCD monitor, monitor base, monitor arm, quick start guide, warranty card, power cord, DisplayPort cable. The L-shaped screwdriver comes from the maker page.
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/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.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.
Cables included
AASUS TUF Gaming VG27AQM5A
Type
Power cord
DisplayPort cable
Source4Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/VG27AQM5A/ASUS_VG27AQM5A-English.pdfRead 23 October 2026Power cord and DisplayPort cable. Counts are not stated.
BDell Alienware AW2521H
TypeCount
Power cable1
DisplayPort to DisplayPort cable1
Mini DisplayPort to DisplayPort cable1
USB 3.2 Gen 1 upstream cable1
Source2Owner's manualdl.dell.com/manuals/all-products/esuprt_electronics_accessories/esuprt_electronics_accessories_monitors/dell-aw2521h-monitor_user%27s-guide_en-us.pdfRead 5 October 2026Own package table pictures/lists one each. Lengths are preserved only where this exact guide states them.

Warranty

1 of 2 differ
Manufacturer warranty (source market)
3years5EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2261779_EN.pdfRead 23 October 2026Minimum duration of the general guarantee offered by the supplier: 3 years. EU market. Amazon US lists a 3 year warranty too.
3years1Maker product pagedell.com/en-us/shop/alienware-25-gaming-monitor-aw2521h/apd/210-aycbRead 5 October 2026Exact US maker limited hardware warranty 3 years, with region-specific service terms.
Dead pixel policy
Not available
Premium Panel Exchange: zero bright pixels/subpixels. Up to 5 dark subpixels and up to 5 combined defects allowed.16Maker product pagedell.com/support/kbdoc/en-us/000126004/dell-display-pixel-guidelinesRead 7 October 2026Exact current Dell US premium-panel table covers all Alienware except listed newer exceptions, none AW2521H. Exact original AW2521H reviewer sheet independently bundles Premium Panel Exchange with 3-year Advanced Exchange Service. Defect thresholds apply during warranty. Partial subpixel anomalies excluded under policy. Bright pixels and dark subpixels distinguished.

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