Request a product

Dell UltraSharp 40 Curved Thunderbolt Hub (U4025QW) vs Samsung Odyssey G7 G75F (37″)

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

Better figure, where one is clearly better

DellUltraSharp 40 Curved Thunderbolt Hub (U4025QW)SamsungOdyssey G7 G75F (37″)
Overview
ReleasedJanuary 2024September 2025
Display
Screen size39.7″37″
Resolution5120 × 2160 (5K2K)3840 × 2160 (4K)
Sharpness140 pixels per inch119 pixels per inch
PanelIPS (IPS Black)VA
Refresh rate120 Hz165 Hz
Response time (grey to grey)5 ms1 ms
Brightness (typical)450 nits350 nits
HDR peak brightness600 nits–
HDR certificationDisplayHDR 600DisplayHDR 600
HDR formats–HDR10+ Gaming
Contrast ratio2,000:13,000:1
Colour range99% DCI-P3, 99% Display P3, 100% sRGB90% DCI-P3, 99% sRGB
DCI-P3 coverage99%90%
Colour accuracy (Delta E)Below 2–
Screen finishMatte–
ShapeCurved (2500R)Curved (1000R)
Adaptive syncHDMI VRRFreeSync Premium Pro
Colour depth1.07 billion colours (8-bit + A-FRC)Up to 1.07 billion colours
sRGB coverage100%99%
Colour accuracyDelta E < 2 (average) (DCI-P3, Display P3, sRGB, BT.709); factory calibration report in the box–
HDR detail600 cd/m² HDR peak; HDR static metadata over HDMI–
Response time detail5 ms (Fast), 8 ms (Normal)–
Variable refresh range48–120 Hz (vertical scan range)–
Viewing angles178° horizontal, 178° vertical (typical)178° / 178°
Pixel pitch0.1815 mm x 0.1815 mm–
Eye careComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor; flicker-freeEye Saver Mode; flicker-free
Calibration–Factory calibrated, report included
Connections
Video inputsHDMI 2.1, DisplayPort 1.4, Thunderbolt 42 × HDMI 2.1, DisplayPort 1.4
USB-C chargingUp to 140 WNone
USB ports2 × USB-C, 5 × USB-A, Thunderbolt 42 × USB-A
KVM switchYes–
EthernetYes–
SpeakersYesNo
HDMI detail1 x HDMI, up to 5120 x 2160 at 120 Hz FRL with HDR static metadata and VRR as specified in HDMI 2.12 × HDMI 2.1, HDCP 2.2
DisplayPort detail1 x DisplayPort 1.4 (HDCP 2.3), up to 5120 x 2160 at 120 Hz with HDR and DSC; internal MST (Screen Partition) over DisplayPort and Thunderbolt 4DisplayPort 1.4, HDCP 2.2
USB-C detailThunderbolt 4 upstream (DisplayPort 1.4 Alt Mode, USB 10Gbps, Power Delivery up to 140 W EPR); USB-C 10Gbps upstream (data only); 2 x USB-C 10Gbps downstream quick-access ports (15 W)–
Daisy chainingThunderbolt 4 downstream port (video and data, 15 W)–
USB hub detail4 x USB-A 10Gbps rear; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 2 x USB-C 10Gbps (15 W)2 × USB 3.2 Gen 1 Type-A downstream; USB-B upstream
Picture by picturePicture by Picture and Picture in Picture, with KVM switchingPicture-in-Picture
Audio out3.5 mm audio line outHeadphone out
Speaker detail2 x 9 W–
Design
Stand adjustsHeight, tilt, swivelHeight, tilt, swivel
VESA mountYesYes
Weight with stand12.22 kg11.2 kg
Height adjustment150 mm120 mm
Tilt-5° to 21°−5° to 20°
Swivel-30° to 30°−20° to 20°
VESA pattern100 x 100 mm100 × 100 mm
Size with stand946.62 x 252.80 x 472.32–622.32 mm (W x D x H)816 × 303.8 × 674.4 mm (W × D × H)
Size without stand946.62 x 108.04 x 419.14 mm (W x D x H)816 × 170.8 × 483.2 mm (W × D × H)
Weight without stand8.35 kg7.2 kg
Controls–Black Equalizer; Virtual AIM Point; Core Sync lighting; Ultrawide Game View; auto source switch
Colours–Black
Power and support
Power use39.5 W on mode, 0.4 W standby, 1.8 W networked standby, 0.3 W off, 380 W maximum39 W typical, 140 W max, 0.5 W standby, 0.3 W off
Energy classFF
Power supply100–240 VAC, 50/60 Hz, 4.2 A (typical)External adapter, 100–240 V
SoftwareDell Display and Peripheral Manager (Easy Arrange)–
CertificationsENERGY STAR, TCO Certified Edge, TÜV Rheinland Eye Comfort 3.0 (5 star)–
Warranty3 years limited hardware (UK)–
In the boxStand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 cable (1.8 m), Thunderbolt 4 active cable (1.5 m), USB-A to USB-C cable (1 m), factory calibration reportHDMI cable, DisplayPort cable, USB 3.0 cable, power cable (1.5 m)

More comparisons