Dell UltraSharp U2412M vs Dell UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

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UltraSharp U2412M compared with UltraSharp 40 Curved Thunderbolt Hub (U4025QW)

	DellUltraSharp U2412M	DellUltraSharp 40 Curved Thunderbolt Hub (U4025QW)
Overview
Released
Released	July 2011	January 2024
Display
Screen size
Screen size	24″	39.7″
Resolution
Resolution	1920 × 1200 (WUXGA)	5120 × 2160 (5K2K) (better)
Sharpness
Sharpness	94 pixels per inch	140 pixels per inch (better)
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)	8 ms	5 ms (better)
Brightness (typical)
Brightness (typical)	300 nits	450 nits (better)
HDR peak brightness
HDR peak brightness	–	600 nits
HDR certification
HDR certification	–	DisplayHDR 600
Contrast ratio
Contrast ratio	1,000:1	2,000:1
Colour range
Colour range	82% CIE 1976 / 72% CIE 1931	99% DCI-P3, 99% Display P3, 100% sRGB
DCI-P3 coverage
DCI-P3 coverage	–	99%
Colour accuracy (Delta E)
Colour accuracy (Delta E)	–	Below 2
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Curved (2500R)
Adaptive sync
Adaptive sync	–	HDMI VRR
Colour depth
Colour depth	16.7 million colours, according to Dell.	1.07 billion colours (8-bit + A-FRC)
sRGB coverage
sRGB coverage	–	100%
Colour accuracy
Colour accuracy	–	Delta E < 2 (average) (DCI-P3, Display P3, sRGB, BT.709); factory calibration report in the box
HDR detail
HDR detail	–	600 cd/m² HDR peak; HDR static metadata over HDMI
Response time detail
Response time detail	8 ms grey-to-grey, according to Dell.	5 ms (Fast), 8 ms (Normal)
Variable refresh range
Variable refresh range	–	48–120 Hz (vertical scan range)
Viewing angles
Viewing angles	178° horizontal and vertical.	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.27 mm.	0.1815 mm x 0.1815 mm
Eye care
Eye care	–	ComfortView Plus hardware low blue light; TÜV Rheinland Eye Comfort 3.0 (5 star); ambient light sensor; flicker-free
Connections
Video inputs
Video inputs	DisplayPort 1.1a	HDMI 2.1, DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	None	Up to 140 W (better)
USB ports
USB ports	4 × USB-A	2 × USB-C, 5 × USB-A, Thunderbolt 4
KVM switch
KVM switch	–	Yes
Ethernet
Ethernet	–	Yes
Speakers
Speakers	No	Yes
HDMI detail
HDMI detail	–	1 x HDMI, up to 5120 x 2160 at 120 Hz FRL with HDR static metadata and VRR as specified in HDMI 2.1
DisplayPort detail
DisplayPort detail	One DisplayPort 1.1a input, one DVI-D input with HDCP and one VGA input; no HDMI.	1 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 4
USB-C detail
USB-C detail	–	Thunderbolt 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 chaining
Daisy chaining	–	Thunderbolt 4 downstream port (video and data, 15 W)
USB hub detail
USB hub detail	Four downstream USB 2.0 Type-A ports and one upstream port.	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)
Picture by picture
Picture by picture	–	Picture by Picture and Picture in Picture, with KVM switching
Audio out
Audio out	–	3.5 mm audio line out
Speaker detail
Speaker detail	No integrated speakers; a DC output powers an optional Dell Soundbar.	2 x 9 W
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.24 kg	12.22 kg
Height adjustment
Height adjustment	115 mm.	150 mm
Tilt
Tilt	–	-5° to 21°
Swivel
Swivel	–	-30° to 30°
VESA pattern
VESA pattern	100 × 100 mm.	100 x 100 mm
Size with stand
Size with stand	556 × 180.3 × 398.5–513.5 mm (width × depth × height).	946.62 x 252.80 x 472.32–622.32 mm (W x D x H)
Size without stand
Size without stand	556 × 64.9 × 361.6 mm (width × depth × height).	946.62 x 108.04 x 419.14 mm (W x D x H)
Weight without stand
Weight without stand	3.97 kg without stand or cables; Dell lists 6.24 kg with stand and cables.	8.35 kg
Controls
Controls	Physical front buttons and on-screen display.	–
Power and support
Power use
Power use	29 W typical; 72 W maximum with maximum luminance, USB and Soundbar active; less than 0.5 W in standby and off modes.	39.5 W on mode, 0.4 W standby, 1.8 W networked standby, 0.3 W off, 380 W maximum
Energy class
Energy class	–	F
Power supply
Power supply	100–240 V AC, 50/60 Hz.	100–240 VAC, 50/60 Hz, 4.2 A (typical)
Software
Software	Dell PowerNap.	Dell Display and Peripheral Manager (Easy Arrange)
Certifications
Certifications	–	ENERGY STAR, TCO Certified Edge, TÜV Rheinland Eye Comfort 3.0 (5 star)
Warranty
Warranty	–	3 years limited hardware (UK)
In the box
In the box	Stand, power cable, VGA cable, DVI cable, USB upstream cable and documentation.	Stand, 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 report