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Dell UltraSharp 32 4K QD-OLED (U3226Q) vs HP Series 7 Pro 31.5″ 4K Thunderbolt 4 Docking Monitor (732xk)

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

Better figure, where one is clearly better

DellUltraSharp 32 4K QD-OLED (U3226Q)HPSeries 7 Pro 31.5″ 4K Thunderbolt 4 Docking Monitor (732xk)
Overview
ReleasedFebruary 2026March 2026
Display
Screen size31.5″31.5″
Resolution3840 × 2160 (4K)3840 × 2160 (4K)
Sharpness140 pixels per inch140 pixels per inch
PanelQD-OLEDIPS (IPS Black, Neo:LED)
Refresh rate120 Hz120 Hz
Response time (grey to grey)0.03 ms5 ms
Brightness (typical)300 nits450 nits
HDR peak brightness1,000 nits–
HDR certificationDisplayHDR True Black 500DisplayHDR 600
HDR formatsHDR10 (PQ), HLG, Dolby Vision–
Contrast ratio1,500,000:12,700:1
Colour range99% DCI-P3, 99% Display P3, 94% Adobe RGB, 100% sRGB99.4% Display P3
DCI-P3 coverage99%–
Colour accuracy (Delta E)Below 1–
Screen finishMatteMatte
ShapeFlatFlat
Adaptive syncHDMI VRR–
Colour depth1.07 billion colours10 bit (8 bit + FRC)
sRGB coverage100% (CIE 1931)100%
Adobe RGB coverage94% (CIE 1931)99.4%
Colour accuracyDelta E < 1 (average) (DCI-P3 DCI, Display P3 D65, sRGB D65, BT.709 D65); Delta E < 2 (average) (Adobe RGB D65 and D50); HDR Delta E ITP < 3.5 (PQ, HLG)Delta E ≤ 1; factory calibrated with 2,390 colours; Pantone Validated
Colour modesNative, DCI-P3 DCI, Display P3 D65, sRGB D65, BT.709 D65, Adobe RGB D65 and D50, User 1–3, CAL 1–3; HDR PQ 1000 nits, HLG 1000 nits, DisplayHDR True Black 500, Dolby Vision Bright and Dark–
HDR detail1000 cd/m² HDR peak at 3% APL; 80% BT.2020, 99% Display P3–
Variable refresh range48–120 Hz (vertical scan range)–
Viewing angles178° horizontal, 178° vertical (typical)178° vertical, 178° horizontal
Pixel pitch0.1814 mm x 0.1814 mm0.1816 x 0.1816 mm
Eye careComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (4 star); flicker-freeHP Eye Ease (TÜV Low Blue Light Hardware Solution certified); flicker-free (TÜV certified); ambient light sensor; TÜV Eye Comfort 3.0
CalibrationBuilt-in colorimeter; calibration stored in CAL 1–3; Dell Color Management and Dell Color Management Console softwareFactory calibrated with electronic calibration report; user recalibration with an external colorimeter via HP Display Center
Connections
Video inputs2 × HDMI 2.1, DisplayPort 1.4, Thunderbolt 4HDMI 2.1, DisplayPort 1.4, USB-C, Thunderbolt 4
USB-C chargingUp to 140 WUp to 140 W
USB ports2 × USB-C, 3 × USB-A, Thunderbolt 4USB-C, 5 × USB-A, Thunderbolt 4
KVM switchYesYes
EthernetYesYes
SpeakersNo–
HDMI detail2 x HDMI 2.1 (HDCP 1.4 & 2.2), up to 3840 x 2160 at 120 Hz FRL with VRR–
DisplayPort detail1 x DisplayPort 1.4 (HDCP 1.4 & 2.2), up to 3840 x 2160 at 120 Hz with DSCDisplayPort 1.4 in and DisplayPort 1.4 out
USB-C detailThunderbolt 4 upstream (DisplayPort 1.4 Alt Mode, Power Delivery up to 140 W EPR); USB-C 10Gbps upstream (data only); 2 x USB-C 10Gbps downstream quick-access ports (up to 27 W)Thunderbolt 4 (40Gbps) and USB-C 10Gbps inputs, both with DisplayPort 1.4 and up to 140 W dynamic power delivery with USB-C power sharing; USB-C 10Gbps downstream with 15 W charging
Daisy chainingThunderbolt 4 downstream port (video and data, 15 W)Thunderbolt 4 out (15 W) or DisplayPort 1.4 out, to a second 4K monitor
USB hub detail2 x USB-A 10Gbps rear; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 2 x USB-C 10Gbps (27 W)5 x USB-A 10Gbps (one charging); 1 x USB-C 10Gbps (15 W)
Picture by picturePicture by Picture and Picture in Picture, with separate colour settings and SDR/HDR per sourcePicture-by-Picture and Picture-in-Picture with Smart KVM
Design
Stand adjustsHeight, tilt, swivel, pivotHeight, tilt, swivel, pivot
VESA mountYesYes
Weight with stand9.84 kg8.4 kg
Height adjustment150 mm150 mm
Tilt-5° to 21°-5 to +20°
Swivel-30° to 30°±45°
Pivot-90° to 90°±90°
VESA pattern100 x 100 mm100 x 100 mm (bracket included)
Size with stand718.28 x 217.16 x 473.77–623.77 mm (W x D x H)71.44 x 23.52 x 59.92 cm (W x D x H)
Size without stand718.28 x 65.48 x 436.00 mm (W x D x H)71.44 x 7.62 x 41.1 cm (W x D x H)
Weight without stand6.43 kg6.6 kg
ControlsJoystick and programmable direct keysJoypad OSD button; power button with Single Power On
ColoursBlackBlack bezel, Pike silver rear cover; black and silver stand
Power and support
Power use33.7 W on mode, 0.4 W standby, 1.9 W networked standby, 0.3 W off, 460 W maximum48 W typical, 300 W maximum; 32.4 W on mode (SDR); 0.5 W standby
Energy classGF
Power supply100–240 VAC, 50/60 Hz, 5.3 A (typical)Internal; 100–240 VAC, 50/60 Hz
SoftwareDell Display and Peripheral Manager (Easy Arrange), Dell Color Management, Dell Color Management ConsoleHP Display Center; HP Client Management Script Library
CertificationsTÜV Rheinland Eye Comfort 3.0 (4 star), TÜV Rheinland hardware low blue light (Category 2)ENERGY STAR, EPEAT Gold with Climate+, TCO Certified generation 10 and TCO Certified Edge, TÜV Eye Comfort 3.0, VESA MediaSync
Warranty3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange, including burn-in (UK)HP three-year limited warranty; zero bright dot warranty
In the boxStand, monitor hood, power cable, HDMI 2.1 cable (1.8 m), DisplayPort 1.4 cable (1.8 m), Thunderbolt 4 40Gbps 240 W active cable (2 m), USB-C to USB-A 10Gbps cable (1 m), microfibre clothBase stand, VESA mount adapter, Thunderbolt cable, HDMI cable, DisplayPort 1.4 cable, USB-C to USB-A cable, AC power cable

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