Comparison between AOC U28P2U vs Lenovo E28u-20

General Info
Model Number	AOC U28P2U	Lenovo E28u-20

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2022
Brand	AOC	Lenovo
Model Number	U28P2U	E28u-20
Alias	U28P2U/BS	62F9GAR4
Display
Screen Size Class	28" (inches)	28" (inches)
Diagonal Size	27.9 in 70.9 cm 708.538 mm 2.32 ft	28 in 71.1 cm 711.2 mm 2.33 ft
Screen Width	24.45 in 62.1 cm 620.928 mm 2.04 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	13.44 in 34.1 cm 341.28 mm 1.12 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Manufacturer		Innolux
Display Type	IPS	AAS IPS
Display Bit Depth	10 bits (8 bits + FRC)	10 bits (8 bits + FRC)
Frame Rate Control	Yes	Yes
Max Number of Colors	1073741824	1073741824
Bits	30	30
Screen Aspect Ratio	16:9	16:9
Screen Resolution	3840 x 2160	3840 x 2160
Screen Pixel Pitch	0.161 mm	0.16 mm
Screen Pixel Density	157 ppi	157 ppi
Screen-to-Body Ratio	90.36 %	89.03 %
Backlight Source	W-LED	W-LED
DCI P3	97%	90%
sRGB	119 %	99 %
NTSC 1953	107 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1	3000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time		6 ms
Display Maximum Response Time		14 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte
HDR	HDR10	HDR10
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.3 mm 0.16 ft	1.93 in 4.9 cm 48.9 mm 0.16 ft
Case Weight	4.77 kg 10 lbs	4.6 kg 10 lbs
Case Width with Stand	25.06 in 63.6 cm 636.4 mm 2.09 ft	25.07 in 63.7 cm 636.9 mm 2.09 ft
Case Height with Stand	15.91 in 40.4 cm 404 mm 1.33 ft	14.98 in 38.1 cm 380.6 mm 1.25 ft
Case Depth with Stand	7.88 in 20 cm 200.1 mm 0.66 ft	8.66 in 22 cm 220 mm 0.72 ft
Case Weight with Stand	6.76 kg 15 lbs	6.8 kg 15 lbs
Case Color	Black	Raven Black
Hardware
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.2 (Type-A; Gen 1; downstream) 1 x USB 3.2 (Type-B; Gen 1; upstream)	2 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4
Audio
Audio Speakers		2 x 2W
Features
Cool Features	Dynamic Colour Boost (DCB) technology Dynamic Contrast Ratio (DCR) technology HDR Mode Picture-by-Picture Low Blue Light Flicker-free technology Clear Vision Picture-in-Picture DDC2B (DDC/CI compatible)	Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.06 in 63.6 cm 636.4 mm 2.09 ft	25.07 in 63.7 cm 636.9 mm 2.09 ft
Case Height	14.51 in 36.9 cm 368.5 mm 1.21 ft	14.71 in 37.4 cm 373.7 mm 1.23 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	130 mm 13 cm 5.1181 in 0.4265 ft	200 mm 20 cm 7.874 in 0.6562 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	0 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	175 °	360 °
Right Swivel	175 °	360 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	22 °
Frequency and Interpolation
Vertical Digital Frequency	23 Hz - 75 Hz	60 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable USB Type-B cable	HDMI cable
Certificates and Standards
Licenses	CCC CE CECP CEL CH RoHS cTUVus ISO9241-307 TÜV Low Blue Light Win10	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
Usage and Storage Requirements
Safe Operating Temperature Level		0 °C - 45 °C 32 °F - 113 °F
Safe Operating Humidity Level		10 % - 80 %
Internal Storage Temperature		-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity		5 % - 95 %
Max Operating Altitude		5000
Max Storage Altitude		12192

AOC U28P2U

Lenovo E28u-20