Comparison between AOC U27U2 vs HP U28 4K HDR

General Info
Model Number	AOC U27U2	HP U28 4K HDR

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2020
Brand	AOC	HP
Model Number	U27U2	U28 4K HDR
Alias	U27U2D	1Z978AA
Display
Screen Size Class	27" (inches)	28" (inches)
Diagonal Size	26.96 in 68.5 cm 684.7 mm 2.25 ft	27.9 in 70.9 cm 708.538 mm 2.32 ft
Screen Width	23.49 in 59.7 cm 596.736 mm 1.96 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	13.22 in 33.6 cm 335.664 mm 1.1 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Type	AH-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	0.155 mm	0.116 mm
Screen Pixel Density	163 ppi	157 ppi
Screen-to-Body Ratio	92.81 %	89.61 %
Backlight Source	W-LED	W-LED
DCI P3	82%	93%
sRGB	100 %	100 %
Screen Brightness	400 cd/m²	400 cd/m²
Static Screen Contrast	1300 : 1	1000 : 1
Dynamic Screen Contrast	50000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	4 ms
Display Coating		Anti-glare/Matte (3H)
HDR	DisplayHDR 400	HDR
3D	No	No
Size, weight, color
Case Depth	1.81 in 4.6 cm 46.1 mm 0.15 ft	1.71 in 4.3 cm 43.4 mm 0.14 ft
Case Weight	4.62 kg 10 lbs
Case Width with Stand	24.09 in 61.2 cm 611.9 mm 2.01 ft	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height with Stand	15.37 in 39 cm 390.4 mm 1.28 ft	20.92 in 53.1 cm 531.4 mm 1.74 ft
Case Depth with Stand	8.48 in 21.5 cm 215.3 mm 0.71 ft	7.48 in 19 cm 189.9 mm 0.62 ft
Case Weight with Stand	6.54 kg 14 lbs	6.35 kg 14 lbs
Case Color	Black	Black
Hardware
Internal Storage		8
Built-in Camera	No	No
Connectivity	2 x HDMI 2.0 1 x DisplayPort 1.4 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 4 x USB 3.2 (Type-A; downstream)	1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 1 x USB (Type-C; upstream; 65W; DP Alt Mode) 3 x USB 3.2 (Type-A; Gen 1; downstream)
Audio
Audio Speakers		2 x 3W
Features
Cool Features	DDC2B/CI Dynamic Colour Boost (DCB) technology Picture-in-{icture Flicker-free technology KVM Switch HDR Mode Dynamic Contrast Ratio (DCR) technology 4-sided Narrow Bezel Design Low Blue Light Clear Vision Picture-by-Picture	Flicker-free technology Low Blue Light
Extra Features	Anti-theft stand lock slot - Kensington	Security lock slot
Ergonomics
Case Width	24.09 in 61.2 cm 611.9 mm 2.01 ft	25.08 in 63.7 cm 637.1 mm 2.09 ft
Case Height	13.89 in 35.3 cm 352.7 mm 1.16 ft	14.61 in 37.1 cm 371.2 mm 1.22 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
Landscape or Portrait Pivot Support	Yes	Yes
Left Pivot	90 °	90 °
Right Pivot	90 °	90 °
Left or Right Swivel Support	Yes	Yes
Left Swivel	30 °
Right Swivel	30 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	23 °	23 °
Frequency and Interpolation
Vertical Digital Frequency	23 Hz - 75 Hz	23 Hz - 75 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz	30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL	NULL
Accessories
Extras	HDMI cable	DisplayPort cable HDMI cable USB Type-C cable
Certificates and Standards
Licenses	CCC CE CECP CEL CH RoHS cTUVus FCC ISO 9241-307 RoHS TUV Rheinland Low Blue Light Win10	Australian-New Zealand MEPS BSMI CB CCC CE CECP CEL EAC ENERGY STAR FCC ISO 9241-307 KC/KCC NOM PSB SEPA TCO Certified TUV-S UL/CSA VCCI Vietnam MEPS WEEE ISC WW application ICE
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 40 °C 32 °F - 104 °F	5 °C - 35 °C 41 °F - 95 °F
Safe Operating Humidity Level	10 % - 85 %	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 90 %
Max Operating Altitude	3657.6
Max Storage Altitude	12192

AOC U27U2

HP U28 4K HDR