Dell UltraSharp 34 Curved Thunderbolt Hub (U3425WE) vs Samsung Odyssey G7 G75F (37″)

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UltraSharp 34 Curved Thunderbolt Hub (U3425WE) compared with Odyssey G7 G75F (37″)

	DellUltraSharp 34 Curved Thunderbolt Hub (U3425WE)	SamsungOdyssey G7 G75F (37″)
Overview
Released
Released	February 2024	September 2025
Display
Screen size
Screen size	34.14″	37″
Resolution
Resolution	3440 × 1440 (UWQHD)	3840 × 2160 (4K) (better)
Sharpness
Sharpness	109 pixels per inch	119 pixels per inch (better)
Panel
Panel	IPS (IPS Black)	VA
Refresh rate
Refresh rate	120 Hz	165 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	5 ms	1 ms (better)
Brightness (typical)
Brightness (typical)	300 nits	350 nits (better)
HDR certification
HDR certification	–	DisplayHDR 600
HDR formats
HDR formats	–	HDR10+ Gaming
Contrast ratio
Contrast ratio	2,000:1	3,000:1
Colour range
Colour range	98% DCI-P3, 98% Display P3, 100% sRGB	90% DCI-P3, 99% sRGB
DCI-P3 coverage
DCI-P3 coverage	98% (better)	90%
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	–
Screen finish
Screen finish	Matte	–
Shape
Shape	Curved (1900R)	Curved (1000R)
Adaptive sync
Adaptive sync	–	FreeSync Premium Pro
Colour depth
Colour depth	1.07 billion colours	Up to 1.07 billion colours
sRGB coverage
sRGB coverage	100% (CIE 1931)	99%
Colour accuracy
Colour accuracy	Delta E < 2 (average) (DCI-P3, Display P3, sRGB, BT.709); factory calibration report in the box	–
Response time detail
Response time detail	5 ms (Fast), 8 ms (Normal)	–
Variable refresh range
Variable refresh range	48–120 Hz over DisplayPort and Thunderbolt 4; 48–100 Hz over HDMI (vertical scan range)	–
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° / 178°
Pixel pitch
Pixel pitch	0.2325 mm x 0.2325 mm	–
Eye care
Eye care	ComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor (Auto Brightness); flicker-free	Eye Saver Mode; flicker-free
Calibration
Calibration	–	Factory calibrated, report included
Connections
Video inputs
Video inputs	HDMI 2.1 (TMDS), DisplayPort 1.4, Thunderbolt 4	2 × HDMI 2.1, DisplayPort 1.4
USB-C charging
USB-C charging	Up to 90 W (better)	None
USB ports
USB ports	2 × USB-C, 5 × USB-A, Thunderbolt 4	2 × USB-A
KVM switch
KVM switch	Yes	–
Ethernet
Ethernet	Yes	–
Speakers
Speakers	Yes	No
HDMI detail
HDMI detail	1 x HDMI (HDCP 1.4 & 2.2), up to 3440 x 1440 at 100 Hz TMDS as specified in HDMI 2.1	2 × HDMI 2.1, HDCP 2.2
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 & 2.2), up to 3440 x 1440 at 120 Hz	DisplayPort 1.4, HDCP 2.2
USB-C detail
USB-C detail	Thunderbolt 4 upstream (40Gbps, DisplayPort 1.4 Alt Mode, Power Delivery up to 90 W); USB-C 10Gbps upstream (data only); 2 x USB-C 10Gbps downstream quick-access ports (15 W)	–
Daisy chaining
Daisy chaining	Thunderbolt 4 downstream port (video and data, 15 W)	–
USB hub detail
USB hub detail	4 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 picture
Picture by picture	Picture by Picture and Picture in Picture	Picture-in-Picture
Audio out
Audio out	3.5 mm audio line out	Headphone out
Speaker detail
Speaker detail	2 x 5 W	–
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	10.81 kg	11.2 kg
Height adjustment
Height adjustment	150 mm	120 mm
Tilt
Tilt	-5° to 21°	−5° to 20°
Swivel
Swivel	-30° to 30°	−20° to 20°
VESA pattern
VESA pattern	100 x 100 mm	100 × 100 mm
Size with stand
Size with stand	813.46 x 240.43 x 392.83–542.83 mm (W x D x H)	816 × 303.8 × 674.4 mm (W × D × H)
Size without stand
Size without stand	813.46 x 105.08 x 359.15 mm (W x D x H)	816 × 170.8 × 483.2 mm (W × D × H)
Weight without stand
Weight without stand	7.78 kg	7.2 kg
Controls
Controls	–	Black Equalizer; Virtual AIM Point; Core Sync lighting; Ultrawide Game View; auto source switch
Colours
Colours	Silver	Black
Power and support
Power use
Power use	31.5 W on mode, 0.5 W standby, 1.9 W networked standby, 0.3 W off, 250 W maximum	39 W typical, 140 W max, 0.5 W standby, 0.3 W off
Energy class
Energy class	F	F
Power supply
Power supply	100–240 VAC, 50/60 Hz, 3.2 A (typical)	External adapter, 100–240 V
Software
Software	Dell Display and Peripheral Manager (Easy Arrange)	–
Certifications
Certifications	TÜV Rheinland Eye Comfort 3.0 (5 star), TÜV Rheinland hardware low blue light	–
Warranty
Warranty	3 years limited hardware with Advanced Exchange Service and Premium Panel Exchange (UK)	–
In the box
In the box	Stand, power cable, DisplayPort 1.4 cable (1.8 m), HDMI cable (1.8 m), Thunderbolt 4 passive cable (1 m), USB-A to USB-C cable (1 m), factory calibration report	HDMI cable, DisplayPort cable, USB 3.0 cable, power cable (1.5 m)