Dell UltraSharp 27 Thunderbolt Hub (U2724DE) vs LG UltraGear 27GL850-B

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UltraSharp 27 Thunderbolt Hub (U2724DE) compared with UltraGear 27GL850-B

	DellUltraSharp 27 Thunderbolt Hub (U2724DE)	LGUltraGear 27GL850-B
Overview
Released
Released	November 2023	July 2019
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 Black)	IPS (Nano IPS)
Refresh rate
Refresh rate	120 Hz	144 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	5 ms	1 ms (better)
Brightness (typical)
Brightness (typical)	350 nits	350 nits
HDR formats
HDR formats	–	HDR10
Contrast ratio
Contrast ratio	2,000:1	1,000:1
Colour range
Colour range	98% DCI-P3, 98% Display P3, 100% sRGB	98% DCI-P3 (CIE 1976)
DCI-P3 coverage
DCI-P3 coverage	98%	98%
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	–
Screen finish
Screen finish	Matte	–
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	HDMI VRR	G-Sync Compatible, FreeSync
Colour depth
Colour depth	1.07 billion colours	1.07 billion colours; 8-bit plus FRC (TFTCentral)
sRGB coverage
sRGB coverage	100%	135% sRGB (LG Korea)
Colour accuracy
Colour accuracy	Delta E < 2 (average) (sRGB, BT.709, Display P3, DCI-P3); factory calibration report in the box	Factory colour calibration
Colour modes
Colour modes	–	sRGB and Reader modes; Gamer, FPS and RTS presets (TFTCentral)
HDR detail
HDR detail	–	HDR10 input support; no local dimming (TFTCentral)
Response time detail
Response time detail	5 ms (Fast), 8 ms (Normal)	1ms grey to grey in Faster mode; LG warns this setting can cause visible trails and recommends Fast if they occur
Variable refresh range
Variable refresh range	48–120 Hz (vertical scan range); Dynamic Refresh Rate (DRR) for Windows 11	48–144Hz over DisplayPort; 48–100Hz over HDMI with adaptive sync (TFTCentral)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical, CR ≥ 10
Pixel pitch
Pixel pitch	0.2331 mm x 0.2331 mm	0.2331 x 0.2331 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	Flicker Safe and Reader Mode
Connections
Video inputs
Video inputs	HDMI 2.1 (TMDS), DisplayPort 1.4, Thunderbolt 4	2 × HDMI 2.0, DisplayPort 1.4
USB-C charging
USB-C charging	Up to 90 W (better)	None
USB ports
USB ports	USB-C, 4 × USB-A, Thunderbolt 4	2 × USB-A
KVM switch
KVM switch	Yes	–
Ethernet
Ethernet	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	2 x HDMI 2.0; 2560 x 1440 at 144Hz with 8-bit colour in LG's specification; adaptive-sync operation has a lower maximum
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 in (DRR for Windows); 1 x DisplayPort out	1 x DisplayPort 1.4; 2560 x 1440 at 144Hz with 10-bit colour
USB-C detail
USB-C detail	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 out, or Thunderbolt 4 downstream (15 W, video only when daisy chaining); Multi-Monitor Sync of OSD settings	–
USB hub detail
USB hub detail	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)	USB 3.0; one upstream and two downstream ports
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 out	Headphone output
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	7.37 kg	6.1 kg
Height adjustment
Height adjustment	150 mm	110 mm
Tilt
Tilt	-5° to 21°	–
Swivel
Swivel	-45° to 45°	–
Pivot
Pivot	-90° to 90°	–
VESA pattern
VESA pattern	100 x 100 mm	100 x 100 mm
Size with stand
Size with stand	612.24 x 192.28 x 385.58–535.58 mm (W x D x H)	614.2 x 274.4 x 464.8–574.8 mm (W x D x H)
Size without stand
Size without stand	612.24 x 50.12 x 352.51 mm (W x D x H)	614.2 x 56.3 x 364.8 mm (W x D x H)
Weight without stand
Weight without stand	5.23 kg	4.2 kg
Colours
Colours	–	Black with red trim
Power and support
Power use
Power use	24.4 W on mode, 0.5 W standby, 1.5 W networked standby, 0.3 W off, 225 W maximum	51 W on mode; 65 W maximum; ≤ 0.5 W sleep; ≤ 0.3 W off
Energy class
Energy class	F	–
Power supply
Power supply	100–240 VAC, 50/60 Hz, 2.65 A (maximum)	External adapter; 100–240V, 50/60Hz
Software
Software	Dell Display and Peripheral Manager (Easy Arrange)	OnScreen Control
Certifications
Certifications	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, power cable, DisplayPort cable (1.8 m), Thunderbolt 4 cable (1 m), USB-A to USB-C cable (1 m), factory calibration report	Adapter, power cable, HDMI cable, DisplayPort cable and USB 3.0 upstream cable