Comparison between AOC U28P2A vs Samsung U28R55

General Info
Model Number	AOC U28P2A	Samsung U28R55

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2021	2017
Brand	AOC	Samsung
Model Series		UR55
Model Number	U28P2A	U28R55
Alias		U28R550 U28R55U0
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 Type	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	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 %	88.7 %
Backlight Source	W-LED	W-LED
sRGB	120 %
Adobe RGB 1998	89 %
Screen Brightness	300 cd/m²	300 cd/m²
Static Screen Contrast	1000 : 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)	Anti-glare/Matte (3H)
HDR	HDR10	HDR10
3D	No	No
Size, weight, color
Case Depth	1.94 in 4.9 cm 49.3 mm 0.16 ft	2.52 in 6.4 cm 64 mm 0.21 ft
Case Weight	4.77 kg 10 lbs	5 kg 11 lbs
Case Width with Stand	25.06 in 63.6 cm 636.4 mm 2.09 ft	25.15 in 63.9 cm 638.8 mm 2.1 ft
Case Height with Stand	15.91 in 40.4 cm 404 mm 1.33 ft	18.87 in 47.9 cm 479.3 mm 1.57 ft
Case Depth with Stand	7.88 in 20 cm 200.1 mm 0.66 ft	9.86 in 25.1 cm 250.5 mm 0.82 ft
Case Weight with Stand	6.76 kg 15 lbs	5.8 kg 13 lbs
Case Color	Black	Dark Blue Gray
Hardware
Built-in Camera	No	No
Connectivity	12 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.2 (Type-A; Gen 1; downstream) 2 x HDMI 2.0	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 3W	2 x 4W
Features
Cool Features	Low Blue Light Picture-by-Picture Wide Viewing Angle Picture-in-Picture Adaptive-Sync technology Flicker-free technology	Samsung MagicUpscale Eco Saving Plus Off Timer Plus Flicker Free Picture-by-Picture Picture-in-Picture Eye Saver Mode AMD Radeon FreeSync Technology Image Size Samsung MagicBright Easy Setting Box
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.06 in 63.6 cm 636.4 mm 2.09 ft	25.15 in 63.9 cm 638.8 mm 2.1 ft
Case Height	14.51 in 36.9 cm 368.5 mm 1.21 ft	14.72 in 37.4 cm 374 mm 1.23 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	75 x 75
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	130 mm 13 cm 5.1181 in 0.4265 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	90 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	175 °
Right Swivel	175 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	2 °
Backward Tilt	35 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	23 Hz - 75 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 140 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable HDMI cable
Certificates and Standards
Licenses	CCC CE CECP CEL CH RoHS cTUVus ISO9241-307 TÜV Low Blue Light Win10	Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification
Usage and Storage Requirements
Safe Operating Temperature Level		10 °C - 40 °C 50 °F - 104 °F
Safe Operating Humidity Level		10 % - 80 %

AOC U28P2A

Samsung U28R55