Comparison between Lenovo E28u-20 vs AOC U28P2U

General Info
Model Number	Lenovo E28u-20	AOC U28P2U

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2022	2020
Brand	Lenovo	AOC
Model Number	E28u-20	U28P2U
Alias	62F9GAR4	U28P2U/BS
Display
Screen Size Class	28" (inches)	28" (inches)
Diagonal Size	28 in 71.1 cm 711.2 mm 2.33 ft	27.9 in 70.9 cm 708.538 mm 2.32 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	AAS IPS	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	0.16 mm	0.161 mm
Screen Pixel Density	157 ppi	157 ppi
Screen-to-Body Ratio	89.03 %	90.36 %
Backlight Source	W-LED	W-LED
DCI P3	90%	97%
sRGB	99 %	119 %
NTSC 1953		107 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast	3000000 : 1	50000000 : 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	Anti-glare/Matte (3H)
HDR	HDR10	HDR10
3D	No	No
Size, weight, color
Case Depth	1.93 in 4.9 cm 48.9 mm 0.16 ft	1.94 in 4.9 cm 49.3 mm 0.16 ft
Case Weight	4.6 kg 10 lbs	4.77 kg 10 lbs
Case Width with Stand	25.07 in 63.7 cm 636.9 mm 2.09 ft	25.06 in 63.6 cm 636.4 mm 2.09 ft
Case Height with Stand	14.98 in 38.1 cm 380.6 mm 1.25 ft	15.91 in 40.4 cm 404 mm 1.33 ft
Case Depth with Stand	8.66 in 22 cm 220 mm 0.72 ft	7.88 in 20 cm 200.1 mm 0.66 ft
Case Weight with Stand	6.8 kg 15 lbs	6.76 kg 15 lbs
Case Color	Raven Black	Black
Hardware
Built-in Camera	No	No
Connectivity	2 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.4	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)
Audio
Audio Speakers	2 x 2W
Features
Cool Features	Flicker-free technology Natural Low Blue Light 3-side NearEdgeless design AMD FreeSync technology	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)
Extra Features	Anti-theft stand lock slot - Kensington	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.07 in 63.7 cm 636.9 mm 2.09 ft	25.06 in 63.6 cm 636.4 mm 2.09 ft
Case Height	14.71 in 37.4 cm 373.7 mm 1.23 ft	14.51 in 36.9 cm 368.5 mm 1.21 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	200 mm 20 cm 7.874 in 0.6562 ft	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	0 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	360 °	175 °
Right Swivel	360 °	175 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	22 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	23 Hz - 75 Hz
Horizontal Digital Frequency		30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	HDMI cable USB Type-B cable
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	CCC CE CECP CEL CH RoHS cTUVus ISO9241-307 TÜV Low Blue Light Win10
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

Lenovo E28u-20

AOC U28P2U