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Acer Predator X27U F5 vs Dell Alienware 27 360Hz QD-OLED (AW2725DF)

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

Better figure, where one is clearly better

AcerPredator X27U F5DellAlienware 27 360Hz QD-OLED (AW2725DF)
Overview
ReleasedAugust 2025February 2024
Display
Screen size26.5″26.7″
Resolution2560 × 1440 (QHD)2560 × 1440 (QHD)
Sharpness111 pixels per inch110 pixels per inch
PanelQD-OLEDQD-OLED
Refresh rate500 Hz360 Hz
Response time (grey to grey)0.03 ms0.03 ms
Brightness (typical)300 nits250 nits
HDR peak brightness1,000 nits1,000 nits
HDR certificationDisplayHDR True Black 500DisplayHDR True Black 400
Contrast ratio1,500,000:11,500,000:1
Colour range99% DCI-P399.3% DCI-P3
DCI-P3 coverage99%99.3%
Colour accuracy (Delta E)–Below 2
Screen finishGlossyGlossy
ShapeFlatFlat
Adaptive syncFreeSync Premium ProFreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR
Colour depth10-bit (1.07 billion colours)1.07 billion colours
Colour accuracyDelta E < 2ΔE2000 < 2 (average) in the sRGB and DCI-P3 preset modes; factory calibration report in the box
Colour modes–Standard, Creator (sRGB or DCI-P3), FPS, MOBA/RTS, RPG, Sports, three custom game modes
HDR detail1,000-nit peak measured on a 3% window450 cd/m² (typical) in DisplayHDR True Black 400; 1000 cd/m² HDR peak; Smart HDR modes Desktop, Movie HDR, Game HDR, Custom Color HDR, DisplayHDR True Black and HDR Peak 1000
Variable refresh range–48–360 Hz (vertical scan range)
Viewing angles178° (H), 178° (V)178° horizontal, 178° vertical (typical)
Pixel pitch–0.2292 mm x 0.2292 mm
Eye care–ComfortView Plus hardware low blue light (TÜV Rheinland Hardware Solution); flicker-free
Burn-in protection–Pixel refresh and panel health indicator; 3-year warranty includes burn-in
Connections
Video inputs2 × HDMI 2.1, 2 × DisplayPort 1.4, USB-CHDMI 2.1 (TMDS), 2 × DisplayPort 1.4
USB-C chargingUp to 65 WNone
USB ports2 × USB-AUSB-C, 3 × USB-A
KVM switchYes–
EthernetNoNo
SpeakersYesNo
HDMI detail2 × HDMI 2.1, 2560 × 1440 at 500 Hz1 x HDMI 2.1 (HDCP 1.4 & 2.3), up to 2560 x 1440 at 144 Hz TMDS with HDR and VRR
DisplayPort detail2 × DisplayPort 1.4, 2560 × 1440 at 500 Hz2 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 2560 x 1440 at 360 Hz with HDR and VRR
USB-C detail2560 × 1440 at 500 Hz (DisplayPort Alt Mode), plus USB data1 x USB-C 5Gbps downstream quick-access port with BC 1.2 charging (no video)
USB hub detail2 × USB 3.2 downstream (Type-A); USB-B and USB-C upstreamUSB 5Gbps; 1 x Type-B upstream; 2 x Type-A downstream rear; quick access ports with 1 x Type-A and 1 x USB-C (BC 1.2)
Picture by picture–Picture by Picture and Picture in Picture
Audio out3.5 mm audio out–
Speaker detail2 × 5 W–
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand–6.7 kg
Height adjustment120 mm110 mm
Tilt−5° to 20°-5° to 21°
Swivel±20°-20° to 20°
Pivot±90°-90° to 90°
VESA pattern75 × 75 mm100 x 100 mm
Size with stand–609.11 x 243.69 x 406.20–516.20 mm (W x D x H)
Size without stand–609.11 x 67.60 x 359.00 mm (W x D x H)
Weight without stand–4.30 kg
Colours–Dark Side of the Moon
Power and support
Power use31.3 W SDR and 53.2 W HDR on-mode (EU energy label); 0.5 W standby; 0.3 W off27.6 W on mode, 0.5 W standby, 0.3 W off, 130 W maximum
Energy classG (SDR), G (HDR)G
Power supplyExternal (C5/C6 connector)100–240 VAC, 50/60 Hz, 2 A (typical)
Software–Alienware Command Center, Dell Display Manager (Easy Arrange)
Warranty–3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)
In the box–Stand, I/O cover, power cable, DisplayPort 1.4 cable (1.8 m), USB-C to DisplayPort 1.4 cable (1 m), USB-A to USB-B 5Gbps cable (1.8 m), microfibre cloth, factory calibration report

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