Dell UltraSharp 27 USB-C Hub Monitor (U2721DE) vs Dell UltraSharp 27 Thunderbolt Hub (U2724DE)

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UltraSharp 27 USB-C Hub Monitor (U2721DE) compared with UltraSharp 27 Thunderbolt Hub (U2724DE)

	DellUltraSharp 27 USB-C Hub Monitor (U2721DE)	DellUltraSharp 27 Thunderbolt Hub (U2724DE)
Overview
Released
Released	April 2020	November 2023
Display
Screen size
Screen size	27″	27″
Resolution
Resolution	2560 × 1440 (QHD)	2560 × 1440 (QHD)
Sharpness
Sharpness	109 pixels per inch	109 pixels per inch
Panel
Panel	IPS	IPS (IPS Black)
Refresh rate
Refresh rate	60 Hz	120 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	5 ms	5 ms
Brightness (typical)
Brightness (typical)	350 nits	350 nits
Contrast ratio
Contrast ratio	1,000:1	2,000:1
Colour range
Colour range	99% sRGB, 99% Rec.709, 85% DCI-P3	98% DCI-P3, 98% Display P3, 100% sRGB
DCI-P3 coverage
DCI-P3 coverage	85%	98% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 2
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	–	HDMI VRR
Colour depth
Colour depth	16.7 million colours	1.07 billion colours
sRGB coverage
sRGB coverage	99% sRGB and 99% Rec.709 claimed by Dell	100%
Colour accuracy
Colour accuracy	–	Delta E < 2 (average) (sRGB, BT.709, Display P3, DCI-P3); factory calibration report in the box
Response time detail
Response time detail	5 ms Fast, 8 ms Normal, grey-to-grey	5 ms (Fast), 8 ms (Normal)
Variable refresh range
Variable refresh range	–	48–120 Hz (vertical scan range); Dynamic Refresh Rate (DRR) for Windows 11
Viewing angles
Viewing angles	178° horizontal and vertical	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.233 mm	0.2331 mm x 0.2331 mm
Eye care
Eye care	Flicker-free panel and ComfortView low-blue-light mode	ComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor (Auto Brightness); flicker-free
Calibration
Calibration	Factory average Delta E below 2, according to Dell	–
Connections
Video inputs
Video inputs	HDMI, DisplayPort 1.4, USB-C	HDMI 2.1 (TMDS), DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	Up to 65 W	Up to 90 W (better)
USB ports
USB ports	4 × USB-A	USB-C, 4 × USB-A, Thunderbolt 4
KVM switch
KVM switch	No	Yes
Ethernet
Ethernet	Yes	Yes
Speakers
Speakers	No	No
HDMI detail
HDMI detail	–	1 x HDMI (HDCP 1.4), up to 2560 x 1440 at 120 Hz TMDS with VRR as specified in HDMI 2.1; no FRL, HDR or ARC
DisplayPort detail
DisplayPort detail	One DisplayPort 1.4 input and one DisplayPort output with MST support.	1 x DisplayPort 1.4 in (DRR for Windows); 1 x DisplayPort out
USB-C detail
USB-C detail	USB-C upstream carries DisplayPort 1.4 video and USB 3.1 data, with up to 65 W Power Delivery.	Thunderbolt 4 upstream (DisplayPort 1.4 Alt Mode, USB 10Gbps, Power Delivery up to 90 W); USB-C 10Gbps upstream (data only); 1 x USB-C 10Gbps downstream quick-access port (15 W)
Daisy chaining
Daisy chaining	DisplayPort MST output for a second compatible display.	DisplayPort out, or Thunderbolt 4 downstream (15 W, video only when daisy chaining); Multi-Monitor Sync of OSD settings
USB hub detail
USB hub detail	Two standard USB 3.0 downstream ports and two USB 3.0 downstream ports with BC 1.2 charging at up to 2 A.	3 x USB-A 10Gbps rear; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 1 x USB-C 10Gbps (15 W)
Picture by picture
Picture by picture	–	Picture by Picture and Picture in Picture, with KVM switching in PBP
Audio out
Audio out	3.5 mm audio line output	3.5 mm audio line out
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot	Height, tilt, swivel, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	–	7.37 kg
Height adjustment
Height adjustment	130 mm	150 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-40° to 40°	-45° to 45°
Pivot
Pivot	–	-90° to 90°
VESA pattern
VESA pattern	100 × 100 mm	100 x 100 mm
Size with stand
Size with stand	612.2 × 180 × 390.2–520.2 mm (W × D × H)	612.24 x 192.28 x 385.58–535.58 mm (W x D x H)
Size without stand
Size without stand	612.2 × 39 × 355 mm (W × D × H)	612.24 x 50.12 x 352.51 mm (W x D x H)
Weight without stand
Weight without stand	4.19 kg	5.23 kg
Power and support
Power use
Power use	22.6 W on, 0.2 W standby, 0.2 W off, 160 W maximum	24.4 W on mode, 0.5 W standby, 1.5 W networked standby, 0.3 W off, 225 W maximum
Energy class
Energy class	–	F
Power supply
Power supply	100–240 V AC, 50–60 Hz	100–240 VAC, 50/60 Hz, 2.65 A (maximum)
Software
Software	Dell Display Manager	Dell Display and Peripheral Manager (Easy Arrange)
Certifications
Certifications	ENERGY STAR and TCO Certified; EPEAT registration varies by country	TÜV Rheinland Eye Comfort 3.0 (5 star), TÜV Rheinland hardware low blue light (Category 2)
Warranty
Warranty	–	3 years limited hardware with Premium Panel Exchange (UK)
In the box
In the box	Stand, DisplayPort cable and USB-C cable	Stand, power cable, DisplayPort cable (1.8 m), Thunderbolt 4 cable (1 m), USB-A to USB-C cable (1 m), factory calibration report