Comparison between Samsung U28R55 vs Acer XV280K B

General Info
Model Number	Samsung U28R55	Acer XV280K B

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2017	2020
Brand	Samsung	Acer
Model Series	UR55	Nitro XV0
Model Number	U28R55	XV280K B
Alias	U28R550 U28R55U0	Nitro XV280K XV280KB
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 Type	IPS	IPS
Display Bit Depth	10 bits	10 bits (8 bits + FRC)
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	0.16 mm	0.161 mm
Screen Pixel Density	157 ppi	157 ppi
Screen-to-Body Ratio	88.7 %	89.67 %
Backlight Source	W-LED	W-LED
DCI P3		90%
sRGB		100 %
Screen Brightness	300 cd/m²	300 cd/m²
Max Screen Brightness		400 cd/m²
Static Screen Contrast	1000 : 1	1000 : 1
Dynamic Screen Contrast		100000000 : 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
HDR	HDR10	DisplayHDR 400 HDR10
3D	No	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft	2.68 in 6.8 cm 68 mm 0.22 ft
Case Weight	5 kg 11 lbs	5.19 kg 11 lbs
Case Width with Stand	25.15 in 63.9 cm 638.8 mm 2.1 ft	25.08 in 63.7 cm 637 mm 2.09 ft
Case Height with Stand	18.87 in 47.9 cm 479.3 mm 1.57 ft	17.2 in 43.7 cm 437 mm 1.43 ft
Case Depth with Stand	9.86 in 25.1 cm 250.5 mm 0.82 ft	10.59 in 26.9 cm 269 mm 0.88 ft
Case Weight with Stand	5.8 kg 13 lbs	7.25 kg 16 lbs
Case Color	Dark Blue Gray	Black
Hardware
Built-in Camera	No	No
Connectivity	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2	1 x 3.5 mm Audio Out 2 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 4W	2 x 2W
Features
Cool Features	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	Blue Light Filter Black Boost Flicker-free technology Zero Frame Design ComfyView Adaptive Contrast Management (ACM) AMD FreeSync technology
Extra Features		Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	25.15 in 63.9 cm 638.8 mm 2.1 ft	25.08 in 63.7 cm 637 mm 2.09 ft
Case Height	14.72 in 37.4 cm 374 mm 1.23 ft	14.61 in 37.1 cm 371 mm 1.22 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	75 x 75	100 x 100
Removable VESA Stand	Yes	Yes
Height Adjustment	No	Yes
Height Adjustment Range		180 mm 18 cm 7.0866 in 0.5906 ft
Landscape or Portrait Pivot Support	No	Yes
Left Pivot		90 °
Right Pivot		90 °
Left or Right Swivel Support	No	Yes
Left Swivel		180 °
Right Swivel		180 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	2 °	5 °
Backward Tilt	15 °	35 °
Frequency and Interpolation
Vertical Digital Frequency	40 Hz - 60 Hz	56 Hz - 76 Hz
Horizontal Digital Frequency		30 kHz - 85 kHz
Screen Interpolation Measurement Unit		NULL
Accessories
Extras		HDMI cable
Certificates and Standards
Licenses	Windows 10 Certification TÜV Rheinland Eye Comfort 2.0 Certification	RoHS PSE MPRⅡ ISO9241-307 VCCI-B FCC CE CCC
Usage and Storage Requirements
Safe Operating Temperature Level	10 °C - 40 °C 50 °F - 104 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	20 % - 80 %

Samsung U28R55

Acer XV280K B