Product comparison · 2 laptop docks & port replicators

Dell WD25TB4 Wired Thunderbolt 4 Black vs Dell WD25TB5 Wired Thunderbolt 5 Black

Key differences

Host interface
- WD25TB4 Wired Thunderbolt 4 Black:Thunderbolt 4
- WD25TB5 Wired Thunderbolt 5 Black:Thunderbolt 5
DisplayPort version
- WD25TB4 Wired Thunderbolt 4 Black:1.4
- WD25TB5 Wired Thunderbolt 5 Black:2.1
Maximum digital resolution
- WD25TB4 Wired Thunderbolt 4 Black:5120 x 2160 pixels
- WD25TB5 Wired Thunderbolt 5 Black:6144 x 3456 pixels
Maximum refresh rate
- WD25TB4 Wired Thunderbolt 4 Black:60 Hz
- WD25TB5 Wired Thunderbolt 5 Black:120 Hz
Power supply
- WD25TB4 Wired Thunderbolt 4 Black:180 W
- WD25TB5 Wired Thunderbolt 5 Black:330 W
Weight
- WD25TB4 Wired Thunderbolt 4 Black:567 g
- WD25TB5 Wired Thunderbolt 5 Black:620 g
Carbon emissions, end-of-life (kg of CO2e)
- WD25TB4 Wired Thunderbolt 4 Black:1.12
- WD25TB5 Wired Thunderbolt 5 Black:1.84
Carbon emissions, energy usage (kg of CO2e)
- WD25TB4 Wired Thunderbolt 4 Black:60.45
- WD25TB5 Wired Thunderbolt 5 Black:37.94

Differences highlightedShow differences only

Comparison of WD25TB4, WD25TB5
52 specifications	A Dell WD25TB4 Wired Thunderbolt 4 Black Model WD25TB4 View product	B Dell WD25TB5 Wired Thunderbolt 5 Black Model WD25TB5 View product
Ports & interfaces2 differ
Host interfaceDiffers	Thunderbolt 4	Thunderbolt 5
USB Power Delivery (USB PD)Known for one	Yes	Unknown — not stated by the source
USB Power Delivery up toKnown for one	130 W	Unknown — not stated by the source
DisplayPort versionDiffers	1.4	2.1
Thunderbolt 4 ports quantityKnown for one	2	Unknown — not stated by the source
Thunderbolt 5 ports quantityKnown for one	Unknown — not stated by the source	2
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Performance2 differ
Maximum digital resolutionDiffers	5120 x 2160 pixels	6144 x 3456 pixels
Maximum refresh rateDiffers	60 Hz	120 Hz
Power1 differ
Power supplyDiffers	180 W	330 W
Wireless chargingKnown for one	Unknown — not stated by the source	No
Software1 differ
Linux operating systems supportedDiffers	Ubuntu 24.04 LTS, Red Hat Enterprise Linux 9.6	Ubuntu 24.04 LTS
Weight & dimensions1 differ
WeightDiffers	567 g	620 g
Carbon footprint5 differ
Carbon emissions, end-of-life (kg of CO2e)Differs	1.12	1.84
Carbon emissions, energy usage (kg of CO2e)Differs	60.45	37.94
Carbon emissions, logistics (kg of CO2e)Differs	2.05	2.04
Carbon emissions, manufacturing (kg of CO2e)Differs	29.48	60.18
Total carbon footprint (kg of CO2e)Differs	93	102

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.