Comparison between Lenovo L28u-35 vs Dell U2722D

General Info
Model Number	Lenovo L28u-35	Dell U2722D

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2021
Brand	Lenovo	Dell
Model Series		UltraSharp
Model Number	L28u-35	U2722D
Alias	66ECGAC4	U2722DX
Display
Screen Size Class	28" (inches)	27" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	26.96 in 68.5 cm 684.7 mm 2.25 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	23.49 in 59.7 cm 596.736 mm 1.96 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	13.22 in 33.6 cm 335.664 mm 1.1 ft
Display Manufacturer	Innolux
Display Type	AAS IPS	IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits
Frame Rate Control	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	2560 x 1440
Screen Pixel Pitch	0.16 mm	0.233 mm
Screen Pixel Density	157 ppi	109 ppi
Screen-to-Body Ratio	89.03 %	93.08 %
Backlight Source	W-LED	W-LED
DCI P3	90%	95%
sRGB	99 %	100 %
Screen Brightness	300 cd/m²	350 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	5 ms
Display Average Response Time	6 ms	8 ms
Display Maximum Response Time	14 ms
Display Coating	Anti-glare/Matte	Anti-glare/Matte (3H)
HDR	HDR10
3D	No	No
Size, weight, color
Case Depth	1.93 in 4.9 cm 48.9 mm 0.16 ft	1.95 in 5 cm 49.5 mm 0.16 ft
Case Weight	4.6 kg 10 lbs	4.38 kg 10 lbs
Case Width with Stand	25.07 in 63.7 cm 636.9 mm 2.09 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height with Stand	16.51 in 41.9 cm 419.3 mm 1.38 ft	15.16 in 38.5 cm 385.13 mm 1.26 ft
Case Depth with Stand	8.46 in 21.5 cm 215 mm 0.71 ft	7.28 in 18.5 cm 185 mm 0.61 ft
Case Weight with Stand	6.6 kg 15 lbs	6.61 kg 15 lbs
Case Color	Raven Black	Black and silver
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4	1 x USB 3.2 (Type-C; PD 15W) 1 x USB 3.2 (Type-C; upstream) 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x DisplayPort 1.4 (Output MST) 1 x HDMI 1.4 2 x USB 3.2 (Type-A) 1 x USB 3.2 (Type-A; BC 1.2)
Audio
Audio Speakers	2 x 2W
Features
Cool Features	Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology	Low Blue Light Dell ComfortView Plus Flicker-free technology
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	25.07 in 63.7 cm 636.9 mm 2.09 ft	24.07 in 61.1 cm 611.34 mm 2.01 ft
Case Height	14.71 in 37.4 cm 373.7 mm 1.23 ft	13.86 in 35.2 cm 352.01 mm 1.15 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	Yes
Height Adjustment Range	150 mm 15 cm 5.9055 in 0.4921 ft	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	360 °	45 °
Right Swivel	360 °	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	22 °	21 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	56 Hz - 60 Hz
Horizontal Digital Frequency		31.47 kHz - 88.79 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	DisplayPort cable USB Type-C to Type-A cable HDMI cable (U2722DX)
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR Eyesafe Display Certification RoHS (EU 2002/95/EC) TCO 9.0 TCO Edge 2.0 TÜV Low Blue Light (Hardware Solution) TÜV Rheinland Eye Comfort Volatile Organic Compound Certification Windows Certification	ENERGY STAR EPEAT Gold TCO Certified Edge Display RoHS NFPA 99
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	10 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %	5 % - 90 %
Max Operating Altitude	5000	5000
Max Storage Altitude	12192	12192

Lenovo L28u-35

Dell U2722D