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ASUS ROG Strix XG27ACS vs Dell Alienware AW2525HM

Product A: ASUS

ROG Strix XG27ACS

98 of 172 known
Change ASUS ROG Strix XG27ACS

Compare the Dell Alienware AW2525HM with

Product B: Dell

Alienware AW2525HM

108 of 172 known
Change Dell Alienware AW2525HM

Compare the ASUS ROG Strix XG27ACS with

88 of 164 fields differ

Download CSVDownload JSON
  • 47 different values
  • 41 known for one only
  • 30 the same
  • 46 missing for both

Biggest differences

Each bar uses the scale of all 179 monitors.

  1. Response timeLower is betterA: 1msB: 0.5msDell is 0.5 ms lower.
  2. Power use HDR (EU label)Lower is betterA: 45WB: 22.6WDell is 22.4 W lower.
  3. Refresh rateA: 180HzB: 320HzDell is 140 Hz higher.
  4. Power use SDR (EU label)Lower is betterA: 26WB: 18.1WDell is 7.9 W lower.
  5. Pixel densityA: 108.8ppiB: 89.9ppiASUS is 18.9 ppi higher.
  6. Brightness (typical, SDR)A: 350nitsB: 400nitsDell is 50 nits higher.

Refresh rate per resolution

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

2560 × 1440Native for A
A180Hz
BNot listed
1920 × 1080Native for B
ANot listed
B320Hz

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
A6.61kg
B6.07kg
Weight without stand
A3.93kg
B3.69kg
Box weight
A10.1kg
B8.19kg

All 172 fields

Every value links to where we found it.

AASUS ROG Strix XG27ACS
BDell Alienware AW2525HM

General

4 of 8 differ
Series
ROG Strix2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acsRead 23 October 2026Page title and breadcrumb: ROG Strix.
Alienware1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026
Model numbers
XG27ACS, 90LM09Q0-B01170, 90LM09Q0-B011B33Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Cover and section 3.2: model XG27ACS. The part numbers come from the ASUS eShop Canada and a German retailer.8Retailer pageebay.de/p/6066105645Read 23 October 2026Part number 90LM09Q0-B01170 for the ROG Strix XG27ACS on a German retailer listing.9Maker product pageeshop.asus.com/ca-en/90lm09q0-b011b3-rog-strix-xg27acs.htmlRead 23 October 2026ASUS eShop Canada lists Product Name XG27ACS with Part Number 90LM09Q0-B011B3.
AW2525HM, AW2525HMt, 9WDY71Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026US manufacturer part 9WDY7. Regulatory model AW2525HMt verified on exact manual title.
GTIN / EAN
197105406070, 47113874060527Retailer pageamazon.com/dp/B0CV24GQ9WRead 23 October 2026Amazon US item details: model number XG27ACS, UPC 197105406070, ASIN B0CV24GQ9W. This is the US retail code. Amazon lists a 3 Year Warranty with ARR and DP cable, power cord, quick start guide and ROG pouch as included components.8Retailer pageebay.de/p/6066105645Read 23 October 2026eBay Germany product page for part number 90LM09Q0-B01170 shows GTIN 4711387406052. The Amazon US UPC covers model XG27ACS. Other EANs on BuildCores (4711636382458) are not tied to a model number and are not stored.
Not available
Announced
Not available
4 March 20254Press releasedell.com/en-us/blog/monitor-madness-alienware-announces-six-new-gaming-monitorsRead 5 October 2026Exact AW2725D and AW2525HM included in March 4 launch announcement. Approximate target prices are not stored as confirmed launch MSRP.
Status
Available1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026The maker's page is live with a where-to-buy link and the model is on sale at Amazon US.
Available1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Not available
Launch price (EU)
Not available
Not available
Markets
Not available
US7Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 7 October 2026Exact AW2525HM US maker store offers this model for sale. US reference part 9WDY7 is retained. Other regional package SKUs are not imported.
Colours
Dark Gray3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Chassis Colors: Dark Gray. RTINGS and Amazon call the body black. A white XG27ACS-W exists and is a separate color model.
Dark Blue1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026US Product Color: Dark Blue. Interstellar Indigo is the finish name in feature copy, not a second sold colour.
Segment
Gaming1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026ROG Strix gaming monitor line on the maker's ROG gaming site.
Gaming1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026

Display

8 of 12 differ
Screen size
27in(68.6 cm)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Panel Size 27 inch.
24.5in(62.2 cm)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026Maker advertised diagonal 24.5 inches, distinct from its rounded class size.
Viewable screen diagonal
Not available
24.5in(62.2 cm)1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026
Native resolution
2560 × 1440px1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
1920 × 1080px2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Resolution specifications table 6, pages 11-12.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Resolution specifications table 6, pages 11-12.
Aspect ratio
16:91Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
16:92Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Pixel density
108.8ppi
89.9ppi
Pixel pitch
0.233mm1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Pixel Pitch 0.233 mm.
0.2829mm2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Monitor specifications table 5: horizontal 0.2829 mm. Vertical pitch separately 0.2802 mm cannot share this scalar. Published active dimensions and pitch retain maker precision.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Monitor specifications table 5: horizontal 0.2829 mm. Vertical pitch separately 0.2802 mm cannot share this scalar. Published active dimensions and pitch retain maker precision.
Active display area
Width596.74Height335.66mm(23.5 × 13.2 in)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Display Viewing Area (H x V) 596.74 x 335.66 mm, stored as width by height.
Width543.17Height302.62mm(21.4 × 11.9 in)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Monitor specifications table 5 explicitly labels horizontal 543.17 mm and vertical 302.62 mm active area.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Monitor specifications table 5 explicitly labels horizontal 543.17 mm and vertical 302.62 mm active area.
Curved
No14Press articlenotebookcheck.net/ASUS-ROG-Strix-XG27ACS-released-as-new-27-inch-gaming-monitor-with-affordable-price-tag.814412.0.htmlRead 23 October 2026The Notebookcheck deal article of 2024-04-19 says the monitor has no curved panel.
No1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026
Curvature radius
Not available
Not available
Screen surface
Matte1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Display Surface Anti-Glare, stored as matte. TechSpot also describes a matte anti-glare coating.
Matte2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Anti-reflection coating
Anti-Glare1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Display Surface: Anti-Glare, verbatim.
Anti-glare with hard-coating 3H2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Touchscreen
Not available
No18Spec databasetestberichte.de/p/dell-tests/alienware-aw2525hm-testbericht.htmlRead 7 October 2026Exact model data sheet explicitly says Touchscreen fehlt. Corroborated by Digitec Without touch function and actual university laboratory exact-model table Touch No.

Panel

12 of 31 differ
Panel type
Fast IPS1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
Fast IPS1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 20262Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Exact user guide technical panel type. Fast IPS branding for AW2525HM is also explicit on US product page.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Exact user guide technical panel type. Fast IPS branding for AW2525HM is also explicit on US product page.
Panel type (as published)
Fast IPS1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
In-Plane Switching (IPS) Technology2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Backlight
Not available
Edge-lit LED2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Local dimming
No10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Review: no local dimming functionality. RTINGS also lists no local dimming.
Not available
Dimming zones
Not available
Not available
Panel maker
BOE10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Review: The XG27ACS uses a BOE panel. The panel part number is not given.
Not available
Panel part number
Not available
Not available
Panel generation
Not available
Not available
Subpixel layout
RGB stripe10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026HUB Essentials Checklist: RGB stripe level text clarity. The review does not show a subpixel photo.
Not available
Colour depth
8bits3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Display Colors 16.7M (8 bit). FRC is not mentioned, so the method is left out.
8bits12Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-reviewRead 7 October 2026Exact review specification table explicitly labels Native Color Depth and Gamut: 8-bit / DCI-P3. This does not rely on converting 16.7 million colors.
Colour depth method
Not available
Native12Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-reviewRead 7 October 2026Exact review specification table explicitly labels Native Color Depth: 8-bit. Supported input depth alone is not used.
Displayable colours
16.7 million1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Display Colors 16.7M, written as 16.7 million.
16.7 million2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
sRGB coverage
Not available
99%2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Monitor specifications table 5: sRGB 99% CIE 1931 typical.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Monitor specifications table 5: sRGB 99% CIE 1931 typical.
DCI-P3 coverage
97%1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Color Space (DCI-P3) 97%. The row label does not say coverage or volume. NotebookCheck's launch article and TechSpot's measured 96% coverage read it as coverage. The sRGB 133% row exceeds 100, so it is a volume figure and is not stored.
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
Not available
Claimed Delta E
Not available
Not available
Paper calibration report in box
Not available
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Package contents table 1 page 6 is the complete shipped-component list. It includes QR Card, Safety Environmental Regulatory Information and Alienware Sticker, with no physical calibration report. This does not establish whether factory calibration occurred.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Package contents table 1 page 6 is the complete shipped-component list. It includes QR Card, Safety Environmental Regulatory Information and Alienware Sticker, with no physical calibration report. This does not establish whether factory calibration occurred.
Hardware calibration support
Not available
Not available
Static contrast ratio
1,000:11Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Contrast Ratio (Typ.) 1000:1.
1,000:12Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Exact AW2525HM monitor specifications table 5 gives native IPS contrast 1000:1 typical.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Exact AW2525HM monitor specifications table 5 gives native IPS contrast 1000:1 typical.
Brightness (typical, SDR)
350nits1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Brightness (Typ.) 350 cd/m2. The manual's own Brightness (Typ.) row reads 400 nits (Peak), so the page row is used for the typical figure.
400nits2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Brightness (maker minimum)
Not available
Not available
Peak brightness (HDR)
400nits1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Brightness (HDR, Peak) 400 cd/m2. The window size is not published.
Not available
HDR peak test window
Not available
Not available
Full-screen brightness
Not available
Not available
HDR formats
HDR101Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026HDR (High Dynamic Range) Support HDR10.
HDR1013Reviewpcworld.com/article/2859524/alienware-aw2525hm-review.htmlRead 7 October 2026Exact review explicitly states support for HDR10 input. Maker manual independently documents Smart HDR processing and HDR input on both HDMI and DisplayPort.
HDR certification
DisplayHDR 4001Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Certificate list names VESA DisplayHDR 400.6Certification listdisplayhdr.org/certified-productsRead 23 October 2026VESA certified DisplayHDR 400 list: ASUS XG27ACS with family models XG27ACSY, XG27ACSZ, XG27ACS-P, XG27ACS-J, XG27ACS-R, XG27ACS-W and XG27ACS-G, test spec version 1.1.
Not available
Viewing angle (horizontal)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Viewing Angle (CR>=10) 178 / 178.
178°2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Viewing angle (vertical)
178°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
178°2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026

Refresh rate and motion

16 of 22 differ
Refresh rate per resolution and port
AASUS ROG Strix XG27ACS
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.0DisplayPort 1.4USB-C
2560 × 1440Native144Hz180Hz180Hz
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Refresh Rate (max) 180 Hz. Digital Signal Frequency lists USB-C and DisplayPort 48 to 180 Hz (V) and HDMI 48 to 144 Hz (V). The rows hold native 2560 x 1440 only. DisplayPort is listed as 1.4 (HBR3). The DP version over USB-C is not stated.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.4 Supported Timing List shows the 2560 x 1440 detail timings at 155, 160, 165 and 180 Hz only in the DisplayPort and Type-C columns, with 144 Hz also in the HDMI column. This agrees with the maker's 144 Hz HDMI vertical range and TechSpot, which states HDMI 2.0 tops out at 144 Hz. Lower-resolution timing rows are not stored.
BDell Alienware AW2525HM
Refresh rate per resolution and port. The top rate is in bold.
ResolutionHDMI 2.1DisplayPort 1.4
1920 × 1080Native255Hz320Hz
Source2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Monitor specifications physical connectivity table expressly states supports up to native resolution at the stored maximum on each input. This is maximum text, not an inference from preset timing entries. Lower-resolution and virtual 4K maxima remain omitted. Bit depth/chroma/compression are omitted when not directly proved.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Monitor specifications physical connectivity table expressly states supports up to native resolution at the stored maximum on each input. This is maximum text, not an inference from preset timing entries. Lower-resolution and virtual 4K maxima remain omitted. Bit depth/chroma/compression are omitted when not directly proved.
Max refresh rate
180Hz
320Hz
Max refresh rate at native resolution
180Hz
320Hz
Max refresh rate over DisplayPort
180Hz
320Hz
Max refresh rate over HDMI
144Hz
255Hz
Max refresh rate over USB-C
180Hz
Not available
Max refresh rate at 10-bit
Not available
Not available
Native refresh rate
180Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Refresh Rate (max) 180 Hz. The monitor carries a VESA AdaptiveSync Display 180Hz certificate and the page lists no overclock mode.
320Hz2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Overclocked refresh rate
Not available
Not available
Dual mode
Not available
Not available
Minimum fixed refresh rate
Not available
24Hz17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Tables 7 and 8, pages 12-13, explicitly list fixed 1920x1080 at 24 Hz via both DisplayPort and HDMI. This is the lowest stated fixed preset timing. The separate 48 Hz general scan/VRR lower limit is not substituted.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Tables 7 and 8, pages 12-13, explicitly list fixed 1920x1080 at 24 Hz via both DisplayPort and HDMI. This is the lowest stated fixed preset timing. The separate 48 Hz general scan/VRR lower limit is not substituted.
Adaptive sync technologies
VESA AdaptiveSync Display, FreeSync, G-SYNC Compatible1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026VRR Technology Yes (Adaptive-Sync). Certificate list names AMD FreeSync (no Premium tier) and G-SYNC Compatible. VESA AdaptiveSync Display certification is covered by the 180 Hz certificate.
FreeSync Premium, G-SYNC Compatible, VESA AdaptiveSync Display, HDMI VRR2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Product Features names AMD tier and G-SYNC Compatible / VESA AdaptiveSync Display certifications. Connectivity table separately states HDMI VRR.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Product Features names AMD tier and G-SYNC Compatible / VESA AdaptiveSync Display certifications. Connectivity table separately states HDMI VRR.
VRR range per port
AASUS ROG Strix XG27ACS
Not available
BDell Alienware AW2525HM
InputMin (Hz)Max (Hz)
DisplayPort48320
HDMI48255
Source10Certification listnvidia.com/content/dam/en-zz/Solutions/geforce/geforce-gsync-product-page/g-sync-monitors-specs-latest.jsonRead 7 October 2026Public data asset observed in NVIDIA G-SYNC monitor specifications page. Exact Dell AW2525HM record lists G-SYNC Compatible, variable refresh rate range 48-320Hz, Display Port, driver 576.02 or newer. This is certification operating range, not a measured result or general scan range.11Spec databasegeizhals.de/dell-alienware-25-320hz-gaming-monitor-aw2525hm-210-bryj-a3535804.htmlRead 7 October 2026Exact model Variable Synchronisierung entry explicitly lists AMD FreeSync Premium certified 48-320Hz via DisplayPort and 48-255Hz via HDMI. HDMI row is the AMD FreeSync operating range. NVIDIA row only independently certifies DisplayPort. General signal scan table is not used as VRR proof.
Low framerate compensation
Not available
Yes11Spec databasegeizhals.de/dell-alienware-25-320hz-gaming-monitor-aw2525hm-210-bryj-a3535804.htmlRead 7 October 2026Exact model Variable Synchronisierung entry explicitly says mit LFC-Support. This is published device support, not an inference solely from the FreeSync tier.
Response time (maker GtG claim)
1ms1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Response Time 1 ms (GTG). Test conditions are not published.
0.5ms2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026AW2525HM Product Features page 7: 0.5 ms minimum grey-to-grey, 1 ms most observed, in Extreme mode, with possible visible artifacts.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026AW2525HM Product Features page 7: 0.5 ms minimum grey-to-grey, 1 ms most observed, in Extreme mode, with possible visible artifacts.
Response time (maker MPRT claim)
Not available
Not available
Overdrive settings
Variable OD (levels 0 to 20)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026OSD section 3.1.2: Variable OD runs 0 to 20 levels. TechSpot lists 21 slider options and TechRadar lists 20 levels.
Fast, Super Fast, Extreme2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Game menu RESPONSE TIME explicitly lists FAST, SUPER FAST, EXTREME.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Game menu RESPONSE TIME explicitly lists FAST, SUPER FAST, EXTREME.
Motion blur reduction
Yes2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acsRead 23 October 2026Overview: ELMB Sync enables ELMB, a backlight strobing mode, together with variable refresh rate.
Not available
Blur-reduction technology
ELMB Sync2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acsRead 23 October 2026Overview names ELMB-SYNC. The manual's OSD menu names ELMB and ELMB SYNC. Stored as ELMB Sync.
Not available
Blur reduction works with VRR
Yes2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acsRead 23 October 2026Overview: ELMB Sync enables ELMB together with variable refresh rate. The manual says ELMB alone needs VRR off and works at 144, 165 or 180 Hz.
Not available
Flicker-free (claimed)
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
Yes2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Black frame insertion
Not available
Not available

Measured

5 of 12 differ
Input lag at maximum refresh rate
4ms11Reviewmonitornerds.com/asus-rog-strix-xg27acs-reviewRead 23 October 2026Review states the input lag sits at 4 ms at 180 Hz. Test device, resolution and method are not described. TechSpot reports 0.5 ms of processing delay at the maximum refresh rate, which is a different measure.
Not available
Input lag at 60 Hz
Not available
Not available
Average response time (measured)
4.5ms10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Average response time 4.5 ms at 180 Hz with Variable OD level 10, the default. Native 2560 x 1440. The article shows response time and cumulative deviation charts and does not name the measuring tool or the transitions averaged. Level 15 averaged 3.5 ms with visible inverse ghosting.
Not available
Overshoot (measured)
Not available
Not available
Contrast ratio (measured)
1,117:110Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Review states an IPS contrast of 1,117:1. Brightness setting and test pattern are not stated.
1,150.8:114Measurementtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-review/3Read 7 October 2026Exact AW2525HM review, Uncalibrated Maximum Backlight Level: 1150.8:1 with 0.3647-nit black. This is the published native SDR contrast result at maximum backlight before calibration, not HDR field dimming or post-calibration contrast. Publisher method uses X-Rite instruments and Calman reference patterns.16Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Publisher reference-pattern method uses X-Rite instruments and Calman to calculate contrast. Exact review distinguishes uncalibrated maximum backlight from 200-nit calibrated and HDR field-dimming results.
SDR brightness (measured)
390nits10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Review states maximum brightness of around 390 nits and a minimum of 35 nits. Picture mode and window size are not stated.
419.7nits14Measurementtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-review/3Read 7 October 2026Exact AW2525HM review, Uncalibrated Maximum Backlight Level: 419.7 nits. Maximum backlight SDR white measurement before calibration. Picture mode and patch size are not individually restated beside this result. Publisher method uses X-Rite i1 Pro/i1 Display Pro, Calman and AccuPel HDMI reference patterns. Other reviews report different samples and conditions, not averaged here.16Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Publisher Equipment and Methodology: X-Rite i1 Pro spectrophotometer, i1 Display Pro colorimeter, Calman, AccuPel DVG-5000 via HDMI. Exact review conditions remain the Uncalibrated Maximum Backlight Level section.
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
1.8715Measurementtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-review/4Read 7 October 2026Exact AW2525HM pre-calibration color gamut result in Standard picture mode, DCI-P3 reference. Text states average 1.87 dE. The first Color Gamut Accuracy Calman chart labels Standard, default and Avg dE2000 1.8679. Published method measures primary/secondary saturations with X-Rite i1 Pro/i1 Display Pro, Calman and reference generator. Post-calibration 0.93 dE and grayscale errors are excluded.16Measurementtomshardware.com/reference/how-we-test-pc-monitors-benchmarkingRead 7 October 2026Publisher method measures every primary and secondary at multiple saturation levels and includes those in average Delta E. Exact default review chart explicitly proves Delta E 2000 rather than assuming a formula from software name.
Gray uniformity (measured)
Not available
Not available
Reflections (measured)
Not available
Not available

Connectivity

9 of 19 differ
Video inputs
AASUS ROG Strix XG27ACS
TypeVersionCount
DisplayPort1.41
HDMI2.01
USB-CNot available1
Source1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026I/O Ports: DisplayPort 1.4 x1 (HBR3), HDMI (v2.0) x1, USB-C x1 (DP Alt Mode). TechRadar, TechSpot and Amazon list two HDMI ports. The maker page and the manual's rear-panel list show one.
BDell Alienware AW2525HM
TypeVersionCountHDCP
DisplayPort1.411.4 and 2.3
HDMI2.121.4 and 2.3
Source2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
HDMI ports
1
2
DisplayPort ports
1
1
Highest HDMI version
2.0
2.1
Highest DisplayPort version
1.4
1.4
HDMI features
Not available
VRR2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Monitor specifications HDMI connectivity table explicitly includes VRR.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Monitor specifications HDMI connectivity table explicitly includes VRR.
USB-C video (DP Alt Mode)
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026USB-C x1 (DP Alt Mode) with 7.5 W Power Delivery. The 7.5 W figure is not stored because usb_c_power_delivery_w takes whole watts.
No2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Complete maker physical connector inventory contains no USB-C socket.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Complete maker physical connector inventory contains no USB-C socket.
USB-C power delivered
Not available
Not available
Thunderbolt
Not available
Not available
USB upstream ports
AASUS ROG Strix XG27ACS
Not available
BDell Alienware AW2525HM
ConnectorCount
USB-B1
Source2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20261 physical USB Type-B upstream, published as USB 5Gbps. A numbered USB revision is not inferred from speed alone.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 20261 physical USB Type-B upstream, published as USB 5Gbps. A numbered USB revision is not inferred from speed alone.
USB downstream hub ports
AASUS ROG Strix XG27ACS
Not available
BDell Alienware AW2525HM
ConnectorCount
USB-A2
Source2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Two physical USB Type-A 5Gbps downstream sockets. One supports BC1.2 charging. A numbered USB revision is not inferred from speed.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Two physical USB Type-A 5Gbps downstream sockets. One supports BC1.2 charging. A numbered USB revision is not inferred from speed.
KVM switch
No10Measurementtechspot.com/review/2858-asus-rog-strix-xg27acsRead 23 October 2026Review: there is no USB hub, so no KVM switch functionality.
No18Spec databasetestberichte.de/p/dell-tests/alienware-aw2525hm-testbericht.htmlRead 7 October 2026Exact model data sheet explicitly says KVM-Switch fehlt. Maker complete connector inventory has only one USB-B upstream and no USB-C data path. Draft maker PbP/PiP/KVM NA row is excluded.
Daisy chain (MST)
Not available
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 list HDMI inputs, one DisplayPort input, one USB-B upstream and two USB-A downstream. There is no DisplayPort output for MST daisy chain.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 list HDMI inputs, one DisplayPort input, one USB-B upstream and two USB-A downstream. There is no DisplayPort output for MST daisy chain.
Ethernet
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.4.1 rear panel list: AC-IN, HDMI, DisplayPort, Type-C, earphone jack, Kensington lock. No Ethernet.
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no Ethernet socket.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no Ethernet socket.
3.5 mm headphone output
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Earphone jack: Yes.
No12Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-reviewRead 7 October 2026Exact review specification table says Audio: None. Complete maker physical connector inventory independently contains no headphone or audio output.
3.5 mm microphone input
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.4.1 rear panel list shows an earphone jack and no microphone input.
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no analogue audio or headset jack, including microphone input.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no analogue audio or headset jack, including microphone input.
Optical out
No3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.4.1 rear panel list shows no optical output.
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no optical audio output.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Complete physical connector inventory table 4 page 9 and connectivity table 5 page 10 have no optical audio output.
Picture in picture
Not available
Not available
Picture by picture
Not available
Not available

Smart features

1 of 4 differ
Smart platform
Not available
Not available
Wi-Fi
Not available
Not available
Bluetooth
Not available
Not available
Remote control
Not available
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Package contents table 1 page 6 lists all shipped components and documentation, with no remote. Kakaku exact model separately states remote none.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Package contents table 1 page 6 lists all shipped components and documentation, with no remote. Kakaku exact model separately states remote none.

Audio and camera

2 of 5 differ
Speakers
No1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Audio, Speaker: No.
No12Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-reviewRead 7 October 2026Exact review specification table says Speakers: None. Independently corroborated by Tom’s Guide exact review and Geizhals.
Number of speakers
Not available
012Reviewtomshardware.com/monitors/gaming-monitors/alienware-aw2525hm-25-inch-320-hz-gaming-monitor-reviewRead 7 October 2026Speakers: None in exact review means there are no built-in speaker drivers. Speaker power remains absent.
Speaker power per channel
Not available
Not available
Webcam
Not available
No18Spec databasetestberichte.de/p/dell-tests/alienware-aw2525hm-testbericht.htmlRead 7 October 2026Exact model data sheet explicitly says Webcam fehlt. Maker complete exterior/components diagrams and exact Simplified Service Manual hardware inventory independently show no camera assembly.
Microphone
Not available
Not available

Ergonomics and controls

8 of 15 differ
Stand height adjustment
120mm1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Height Adjustment 0~120 mm.
110mm2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Tilt
Forward5°Backward20°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Tilt Yes (+20 to -5 degrees), stored as 5 forward and 20 backward.
Forward5°Backward21°2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Swivel
Left45°Right45°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Swivel Yes (+45 to -45 degrees).
Left20°Right20°2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Pivot
Counterclockwise90°Clockwise90°1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Pivot Yes (+90 to -90 degrees).
Counterclockwise90°Clockwise90°2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Removable stand
Yes3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 2.3: the detachable stand is designed for VESA wall mount.
Yes2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
VESA mount
100 x 1001Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026VESA Wall Mounting 100x100 mm.
100 x 1002Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
VESA adapter needed
Not available
No17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026VESA wall mounting page 28 instructs using M4 x 10 mm screws, removing the stand and protective cover, then attaching the wall-mount bracket directly to the monitor. Native 100x100 holes need no monitor-specific adapter. Wall mount kit is sold separately.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026VESA wall mounting page 28 instructs using M4 x 10 mm screws, removing the stand and protective cover, then attaching the wall-mount bracket directly to the monitor. Native 100x100 holes need no monitor-specific adapter. Wall mount kit is sold separately.
Security lock slot
Yes1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
Yes2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
On-screen menu controls
Joystick, Buttons, Software3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.5.1 lists a 5-way joystick-style button and hotkey buttons. DisplayWidget Center on the maker page controls the OSD from Windows.
Joystick, Software2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Using joystick and AlienFX/AWCC sections. Software provides monitor gaming controls rather than only desktop window layout.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Using joystick and AlienFX/AWCC sections. Software provides monitor gaming controls rather than only desktop window layout.
Desktop software
DisplayWidget Center1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026DisplayWidget Center is listed under DisplayWidget.
Alienware Command Center (AWCC)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
User firmware updates
Not available
Not available
Ambient light sensor
Not available
Not available
Presence sensor
Not available
Not available
RGB lighting
No2Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acsRead 23 October 2026The overview page shows no lighting feature. RTINGS lists RGB lighting as No and TechSpot says this model has no RGB LED lighting.12Reviewrtings.com/monitor/reviews/asus/rog-strix-xg27acsRead 23 October 2026Public Differences section table: XG27ACS RGB Lighting No. The measured result cells are members only and are not used.
Not available
Gaming menu features
GamePlus, FPS Counter, Crosshair, Dynamic Crosshair, Timer, Stopwatch, Display Alignment, GameVisual, Shadow Boost, Dynamic Shadow Boost, GameFast Input, Aspect Control1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Features list: GamePlus, Game Visual, Shadow Boost, GameFast Input technology, Aspect Control. Dynamic Crosshair and Dynamic Shadow Boost come from the overview page.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.5.1 and 3.1.2: GamePlus (FPS Counter, Crosshair, Timer, Stopwatch, Display Alignment), GameVisual, Shadow Boost.
Timer, Frame Rate, Display Alignment, Dark Stabilizer2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026

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
Width614.81Height (lowest)392.88Height (highest)512.88Depth218.82mm(24.2 × 15.5 to 20.2 × 8.6 in)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026The page gives 61.48 x 51.29 x 21.88 cm without naming the stand position. The manual's specifications give the exact highest and lowest heights, which are stored.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2: 614.81 x 512.88 x 218.82 mm (highest) and 614.81 x 392.88 x 218.82 mm (lowest).
Width555.59Height (lowest)390.73Height (highest)500.73Depth206mm(21.9 × 15.4 to 19.7 × 8.1 in)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Physical characteristics table 10 page 14 labels extended and compressed display height, distinct from stand-only height.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Physical characteristics table 10 page 14 labels extended and compressed display height, distinct from stand-only height.
Dimensions without stand
Width614.81Height367.08Depth60.12mm(24.2 × 14.5 × 2.4 in)3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2: 614.81 x 367.08 x 60.12 mm.
Width555.59Height329.5Depth68.89mm(21.9 × 13 × 2.7 in)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Stand footprint
Not available
Width240Depth206mm(9.4 × 8.1 in)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Weight with stand
6.61kg(14.6 lb)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Net Weight with Stand 6.61 kg, an estimate that varies by region.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Net Weight (Esti.) 6.61 kg.
6.07kg(13.4 lb)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Physical characteristics table 10: weight with stand assembly and cables.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Physical characteristics table 10: weight with stand assembly and cables.
Weight without stand
3.93kg(8.7 lb)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Net Weight without Stand 3.93 kg, an estimate that varies by region.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Net Weight without stand 3.93 kg.
3.69kg(8.1 lb)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Physical characteristics table 10: no stand and no cables.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Physical characteristics table 10: no stand and no cables.
Box dimensions
Width780Height226Depth515mm(30.7 × 8.9 × 20.3 in)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Box Dimension 78.00 x 22.60 x 51.50 cm (W x H x D).3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Box Dimension 780 x 226 x 515 mm (W x H x D).
Not available
Box weight
10.1kg(22.3 lb)1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Gross Weight 10.1 kg.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Gross Weight (Esti.) 10.10 kg.
8.19kg(18.1 lb)2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Physical characteristics table 10: weight with packaging.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Physical characteristics table 10: weight with packaging.

Power

8 of 13 differ
Power supply
Internal4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 24 power supply type: Internal.
Internal5Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026Power connector inventory and AC100-240V device input establish internal power supply. External adapter is not in the complete maker bundle.
Adapter rating
Not available
Not available
Input voltage
100-240 V AC, 50/60 Hz3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 3.2 Voltage Rating 100~240V, 50/60Hz.
100-240 V AC, 50/60 Hz2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 20266Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026
Power use (typical)
Not available
14.76W2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Electrical specifications table 9: Pon measured with reference to Energy Star test method. Separate EU on-mode consumption is not stored as typical.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Electrical specifications table 9: Pon measured with reference to Energy Star test method. Separate EU on-mode consumption is not stored as typical.
Power use (max)
Not available
65W2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Electrical specifications table 9: maximum brightness/contrast with maximum loading on all USB ports.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Electrical specifications table 9: maximum brightness/contrast with maximum loading on all USB ports.
Power use SDR (EU label)
26W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 4 on-mode power demand in SDR 26.0 W.
18.1W8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2269431_EN.pdfRead 7 October 2026Product information sheet page 1. SDR on-mode power demand 18.1 W under EU regulation. This is distinct from Energy Star Pon and rounded label energy.
Power use HDR (EU label)
45W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 6 on-mode power demand in HDR 45.0 W.
22.6W8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2269431_EN.pdfRead 7 October 2026Product information sheet page 1. HDR on-mode power demand 22.6 W under EU regulation.
Standby power
0.5W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 8 standby 0.5 W. The maker page and manual say less than 0.5 W.
0.5W2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Electrical specifications table 9: EU 2019/2021 and EU 2019/2013 standby mode.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Electrical specifications table 9: EU 2019/2021 and EU 2019/2013 standby mode.
Off-mode power
0.3W4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 7 off mode 0.3 W. The maker page and manual say less than 0.3 W.
0.3W2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Electrical specifications table 9: EU 2019/2021 and EU 2019/2013 off mode.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Electrical specifications table 9: EU 2019/2021 and EU 2019/2013 off mode.
EU energy class SDR
F4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 3 class F.
E8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2269431_EN.pdfRead 7 October 2026Product information sheet page 1. SDR energy efficiency class E.
EU energy class HDR
G4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_EN.pdfRead 23 October 2026Row 5 class G.
F8EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_2269431_EN.pdfRead 7 October 2026Product information sheet page 1. HDR energy efficiency class F.
Energy per 1000 h SDR
26kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1854532.pdfRead 23 October 2026Printed label value 26 kWh/1000h.
18kWh9EU energy label (EPREL)gzhls.at/blob/ldb/e/8/f/9/0e8c580941704aecadd88ccd9cc108b6fbdb.pdfRead 7 October 2026Exact ALIENWARE AW2525HM EU energy label. Explicit printed 18 kWh/1000h in SDR. Public label mirror linked from the exact model listing. No rounding calculation from watts.
Energy per 1000 h HDR
45kWh5EU energy label (EPREL)eprel.ec.europa.eu/labels/electronicdisplays/Label_1854532.pdfRead 23 October 2026Printed label value 45 kWh/1000h.
23kWh9EU energy label (EPREL)gzhls.at/blob/ldb/e/8/f/9/0e8c580941704aecadd88ccd9cc108b6fbdb.pdfRead 7 October 2026Exact ALIENWARE AW2525HM EU energy label. Explicit printed 23 kWh/1000h in HDR. Public label mirror linked from the exact model listing. No rounding calculation from watts.

Certifications

5 of 9 differ
VESA ClearMR
Not available
Not available
VESA AdaptiveSync Display
180Hz1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026
Not available
TÜV certifications
Flicker-free, Low Blue Light1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Certificate list: TUV Flicker-free, TUV Low Blue Light.
TÜV Rheinland hardware low blue light Category 317Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Product features page 7 explicitly names TÜV Rheinland hardware low blue light certification Category 3 at factory/default setting. Generic flicker-free does not prove separate TÜV flicker-free certification.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Product features page 7 explicitly names TÜV Rheinland hardware low blue light certification Category 3 at factory/default setting. Generic flicker-free does not prove separate TÜV flicker-free certification.
Low blue light
Hardware3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026OSD section: the monitor uses a low blue light panel and complies with TUV Rheinland Low Blue Light Hardware Solution at factory default.
Hardware2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Product Features: TÜV Rheinland hardware low-blue-light certification Category 3 at factory/default settings.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Product Features: TÜV Rheinland hardware low-blue-light certification Category 3 at factory/default settings.
ENERGY STAR
Not available
No19Maker spec sheet (PDF)device.report/m/4a4165d0cc100a3337171c0974f906dd112a19afbcced2697d1cfcda5fbfc27c.pdfRead 7 October 2026Dell exact AW2525HM/AW2525HMt Product Compliance Datasheet, revised May 9 2025, section II Environmental Voluntary Marks: Global ENERGY STAR NA. Using its Version 8 test method for Pon does not establish certification. Public indexed PDF text is readable, direct mirror download encounters bot check and was stopped.
TCO Certified
Not available
Not available
EPEAT
Not available
None19Maker spec sheet (PDF)device.report/m/4a4165d0cc100a3337171c0974f906dd112a19afbcced2697d1cfcda5fbfc27c.pdfRead 7 October 2026Dell exact AW2525HM/AW2525HMt Product Compliance Datasheet section II Environmental Voluntary Marks: EPEAT Configuration Dependent NA. No registered tier is claimed for this model.
Colour certifications
Not available
Not available
Other certifications
FSC MIX1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Certificate list: FSC MIX.
RoHS compliant17Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Environmental characteristics table 11 page 15 explicitly states RoHS Compliant.20Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 7 October 2026Environmental characteristics table 11 page 15 explicitly states RoHS Compliant.

In the box

2 of 2 differ
In the box
LCD Monitor, Monitor Stand, Monitor Base, Quick Start Guide, Warranty Card, Power Cord, DisplayPort cable, ROG Sticker, ROG Pouch1Maker product pagerog.asus.com/monitors/27-to-31-5-inches/rog-strix-xg27acs/specRead 23 October 2026Accessories (vary by regions): DisplayPort cable, power cord, quick start guide, ROG pouch, ROG sticker, warranty card. The monitor, stand and base come from the manual's package contents. The manual also lists an optional HDMI cable, which is not stored.3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Section 1.2 package contents: LCD monitor, stand, base, quick start guide, warranty card, power cord, HDMI cable (optional), DP cable (optional), ROG sticker, ROG pouch.
Monitor, Stand riser, Stand base, Power cable (varies by country or region), USB 5Gbps Type-A to Type-B cable (1.80 m), DisplayPort to DisplayPort 1.4 cable (1.80 m), HDMI 2.1 TMDS cable (1.80 m), QR Card, Safety, Environmental, and Regulatory Information, Alienware Sticker2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Package contents page 6. Power cord differs by country.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Package contents page 6. Power cord differs by country.
Cables included
AASUS ROG Strix XG27ACS
Type
Power cord
DisplayPort cable
Source3Owner's manualdlcdnets.asus.com/pub/ASUS/LCD%20Monitors/XG27ACS/ASUS_XG27ACS_English.pdfRead 23 October 2026Power cord and DisplayPort cable. The HDMI cable is optional by market. Counts are not stated.
BDell Alienware AW2525HM
TypeCount
Power cable1
USB 5Gbps Type-A to Type-B cable (1.80 m)1
DisplayPort to DisplayPort 1.4 cable (1.80 m)1
HDMI 2.1 TMDS cable (1.80 m)1
Source2Owner's manualdl.dell.com/content/manual25876081-alienware-25-320hz-gaming-monitor-aw2525hm-user-s-guide.pdfRead 7 October 2026Package contents page 6 and US maker Cable Type Included explicitly list one of each cable.6Owner's manualgzhls.at/blob/ldb/7/d/b/0/2310a98f80493df0bab51632ce388fd1916d.pdfRead 5 October 2026Package contents page 6 and US maker Cable Type Included explicitly list one of each cable.

Warranty

1 of 2 differ
Manufacturer warranty (source market)
3years4EU energy label (EPREL)eprel.ec.europa.eu/fiches/electronicdisplays/Fiche_1854532_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/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026US maker page. 3-year limited hardware and Advanced Exchange service.
Dead pixel policy
Not available
Free panel replacement for one bright pixel during the limited hardware warranty1Maker product pagedell.com/en-us/shop/monitors/apd/alienware-25-320hz-gaming-monitor-aw2525hm/aw2525hm_monitor/-Read 5 October 2026US Premium Panel Exchange: even one bright pixel allows panel replacement during the limited hardware warranty.

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