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Dell Alienware 27 4K QD-OLED (AW2725Q) vs Dell Alienware 39 5K OLED (AW3926QW)

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

Better figure, where one is clearly better

DellAlienware 27 4K QD-OLED (AW2725Q)DellAlienware 39 5K OLED (AW3926QW)
Overview
ReleasedJanuary 2025June 2026
Display
Screen size26.7″38.9″
Resolution3840 × 2160 (4K)5120 × 2160 (5K2K)
Sharpness165 pixels per inch143 pixels per inch
PanelQD-OLEDOLED (Tandem WOLED with RGB stripe; dual mode 2560 x 1080 at 330 Hz)
Refresh rate240 Hz165 Hz
Response time (grey to grey)0.03 ms0.03 ms
Brightness (typical)250 nits300 nits
HDR peak brightness1,000 nits1,300 nits
HDR certificationDisplayHDR True Black 400DisplayHDR True Black 500
HDR formatsHDR10, Dolby VisionHDR10, Dolby Vision
Contrast ratio1,500,000:11,750,000:1
Colour range99% DCI-P399% DCI-P3
DCI-P3 coverage99%99%
Colour accuracy (Delta E)Below 2Below 2
Screen finishGlossyGlossy
ShapeFlatCurved (1500R)
Adaptive syncG-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSyncG-Sync Compatible, FreeSync Premium Pro, VESA AdaptiveSync, HDMI VRR
Subpixel layout–RGB stripe
Colour depth1.07 billion colours1.07 billion colours (10-bit)
Colour accuracyDelta E < 2 (average) (sRGB, DCI-P3)Delta E < 2 (average) (sRGB, DCI-P3)
Colour modesStandard, FPS, MOBA/RTS, RPG, Sports, Creator (DCI-P3 or sRGB, gamma 1.8 to 2.6), Game 1–3, Warm, Cool, Custom ColorStandard, Creator (DCI-P3 or sRGB), FPS, MOBA/RTS, RPG, Sports, three custom game modes
HDR detailPeak 1000 cd/m² at 3% APL; Smart HDR modes Desktop, Movie HDR, Game HDR, Custom Color HDR, DisplayHDR True Black (400 cd/m²) and HDR Peak 10001300 cd/m² HDR peak at 3% APL; Smart HDR modes Desktop, Movie HDR, Game HDR, Custom Color HDR, DisplayHDR True Black (500 cd/m²), HDR Peak 1300 and HDR Peak 1300 Bright
Viewing angles178° horizontal, 178° vertical (typical)178° horizontal, 178° vertical (typical)
Pixel pitch0.153 mm x 0.153 mm0.1776 mm x 0.1776 mm
Eye careComfortView Plus hardware low blue light (TÜV Rheinland Hardware Solution); flicker-freeFlicker-free
Burn-in protectionPixel refresh, pixel shift and panel health indicator; graphite heat-sink sheet; 3-year warranty includes burn-inAI-based pixel usage algorithm, pixel refresh, pixel shift and panel health indicator; 3-year warranty includes burn-in
Connections
Video inputs2 × HDMI 2.1, DisplayPort 1.42 × HDMI 2.1, DisplayPort 2.1, USB-C
USB-C chargingNoneUp to 90 W
USB portsUSB-C, 3 × USB-AUSB-C, 2 × USB-A
KVM switch–Yes
EthernetNoNo
SpeakersNoNo
HDMI detail2 x HDMI 2.1 FRL (HDCP 1.4 & 2.3), up to 3840 x 2160 at 240 Hz with HDR and VRR; HDMI 1 has eARC/ARC for Dolby Atmos pass-through2 x HDMI 2.1 FRL (HDCP 1.4 & 2.3), up to 5120 x 2160 at 165 Hz or 2560 x 1080 at 330 Hz with HDR and VRR; one with eARC/ARC audio pass-through
DisplayPort detail1 x DisplayPort 1.4 (HDCP 1.4 & 2.3), up to 3840 x 2160 at 240 Hz with DSC1 x DisplayPort 2.1 UHBR20 (HDCP 1.4 & 2.3), up to 5120 x 2160 at 165 Hz or 2560 x 1080 at 330 Hz
USB-C detail1 x USB-C 5Gbps downstream port with 15 W charging (no video)USB-C upstream with DisplayPort 2.1 Alt Mode and Power Delivery up to 90 W; 1 x USB-C 5Gbps downstream with 15 W charging
USB hub detailUSB 5Gbps; 1 x Type-B upstream; 3 x Type-A downstream (one with 10 W charging); 1 x USB-C downstream (15 W)USB 5Gbps; Type-B and USB-C upstream (KVM for two computers); 2 x Type-A downstream (one with BC 1.2 charging); 1 x USB-C downstream (15 W)
Picture by picturePicture by Picture and Picture in PicturePicture by Picture and Picture in Picture
Audio outHDMI eARC/ARC (Dolby Atmos pass-through)3.5 mm headphone jack; HDMI eARC/ARC
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel
VESA mountYesYes
Weight with stand6.79 kg11.22 kg
Height adjustment110 mm110 mm
Tilt-5° to 21°-5° to 21°
Swivel-20° to 20°-20° to 20°
Pivot-90° to 90°–
VESA pattern100 x 100 mm100 x 100 mm
Size with stand609.51 x 210 x 406.01–516.01 mm (W x D x H)920.49 x 242.50 x 470.10–580.10 mm (W x D x H)
Size without stand609.51 x 72.63 x 355.97 mm (W x D x H)920.49 x 129.65 x 408.24 mm (W x D x H)
Weight without stand4.30 kg7.76 kg
ControlsJoystick with Menu Launcher on-screen menuJoystick
ColoursInterstellar IndigoNova Black
Power and support
Power use39.4 W on mode, 0.5 W standby, 0.3 W off, 190 W maximum40.3 W on mode, 0.5 W standby, 0.3 W off, 360 W maximum
Energy class–G
Power supply100–240 VAC, 50/60 Hz, 2.2 A (typical)100–240 VAC, 50/60 Hz, 4 A (typical)
SoftwareAlienware Command Center 6.6Alienware Command Center
CertificationsENERGY STAR 8.0, TCO Certified, TÜV Rheinland low blue light (hardware)–
Warranty3 years limited hardware with Advanced Exchange Service, including burn-in (UK)3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)
In the boxStand, power cable, DisplayPort cable (1.8 m), HDMI cable (1.8 m), USB-A to USB-B 5Gbps cable (1.8 m), microfibre clothStand, power cable, USB-C to USB-C 10Gbps 100 W cable (1 m), DisplayPort cable (1.8 m), HDMI 2.1 FRL cable (1.8 m), USB-A to USB-B cable (1.8 m), microfibre cloth

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