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Dell Alienware 25 320Hz (AW2525HM) vs Dell Alienware 27 240Hz QD-OLED (AW2726DM)

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

DellAlienware 25 320Hz (AW2525HM)DellAlienware 27 240Hz QD-OLED (AW2726DM)
Overview
ReleasedJuly 2025April 2026
Display
Screen size24.5″26.5″
Resolution1920 × 1080 (Full HD)2560 × 1440 (QHD)
Sharpness90 pixels per inch111 pixels per inch
PanelIPS (Fast IPS)QD-OLED
Refresh rate320 Hz240 Hz
Response time (grey to grey)0.5 ms0.03 ms
Brightness (typical)400 nits200 nits
HDR peak brightness–400 nits
HDR formats–HDR10
Contrast ratio1,000:11,500,000:1
Colour range99% sRGB99% DCI-P3
DCI-P3 coverage–99%
Screen finishMatteGlossy
ShapeFlatFlat
Adaptive syncG-Sync Compatible, FreeSync Premium, VESA AdaptiveSync, HDMI VRRFreeSync Premium, VESA AdaptiveSync, HDMI VRR
Colour depth16.7 million colours1.07 billion colours
HDR detail–400 cd/m² peak (Dell UK); HDR10; Smart HDR modes Desktop, Movie HDR and Game HDR
sRGB coverage99%–
Colour modesFPS, MOBA/RTS, RPG, Sports, three custom game modes–
Response time detail0.5 ms grey-to-grey minimum, 1 ms typical (Extreme)–
Variable refresh range48–320 Hz over DisplayPort; 48–255 Hz over HDMI (vertical scan range)48–240 Hz over DisplayPort; 48–120 Hz over HDMI (vertical scan range)
Viewing angles178° horizontal, 178° vertical (typical)178° horizontal, 178° vertical (typical)
Pixel pitch0.2829 mm x 0.2802 mm (90 ppi)0.2292 mm x 0.2292 mm
Eye careComfortView Plus hardware low blue light (TÜV Rheinland Category 3); flicker-freeHardware low blue light (TÜV Rheinland Category 3); TÜV Rheinland Eye Comfort 3.0 (3 star); flicker-free
Burn-in protection–Pixel refresh and panel health indicator
Connections
Video inputs2 × HDMI 2.1 (TMDS), DisplayPort 1.42 × HDMI 2.1 (TMDS), DisplayPort 1.4
USB-C chargingNoneNone
USB ports2 × USB-A–
EthernetNoNo
SpeakersNoNo
HDMI detail2 x HDMI (HDCP 1.4 and 2.3), up to 1920 x 1080 at 255 Hz (TMDS) with HDR and VRR as specified in HDMI 2.12 x HDMI (HDCP 1.4 & 2.3), up to 2560 x 1440 at 120 Hz with HDR and VRR as specified in HDMI 2.1 (TMDS)
DisplayPort detail1 x DisplayPort 1.4 (HDCP 1.4 and 2.3), up to 1920 x 1080 at 320 Hz with HDR1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 2560 x 1440 at 240 Hz with HDR, DSC and AdaptiveSync
Audio out–3.5 mm headphone jack
USB hub detailUSB 5Gbps; 1 x USB-B upstream; 2 x USB-A (one with BC1.2 charging)–
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand6.07 kg5.9 kg
Height adjustment110 mm130 mm
Tilt-5° to 21°-5° to 21°
Swivel-20° to 20°-360° to 360°
Pivot-90° to 90°-90° to 90°
VESA pattern100 x 100 mm100 x 100 mm
Size with stand555.59 x 206 x 390.73–500.73 mm (W x D x H)609.31 x 233.40 x 393.32–523.32 mm (W x D x H)
Size without stand555.59 x 68.89 x 329.50 mm (W x D x H)609.31 x 41.95 x 354.30 mm (W x D x H)
Weight without stand3.69 kg3.90 kg
ColoursDark blueBlack
Power and support
Power use18.1 W on mode, 0.5 W standby, 0.3 W off, 65 W maximum21 W on mode, 0.3 W standby, 0.3 W off, 70 W maximum
Energy classEE
Power supply100–240 VAC, 50/60 Hz, 1.5 A (typical)100–240 VAC, 50/60 Hz, 1.5 A (maximum)
CertificationsNVIDIA G-SYNC Compatible, AMD FreeSync Premium, VESA AdaptiveSync Display, TÜV Rheinland hardware low blue light (Category 3)TÜV Rheinland Eye Comfort 3.0 (3 star), TÜV Rheinland hardware low blue light (Category 3)
Warranty3 years limited hardware with Advanced Exchange Service (UK)3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange (UK)
In the boxStand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 TMDS cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), Alienware stickerStand, Allen key and four M4 screws, power cable, DisplayPort cable (1.8 m), HDMI cable (1.8 m)

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