Comparison between Acer B276HK vs Samsung U28R55

General Info
Model Number	Acer B276HK	Samsung U28R55

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2014	2017
Brand	Acer	Samsung
Model Series		UR55
Model Number	B276HK	U28R55
Alias	B276HKymjdpprz	U28R550 U28R55U0
Display
Screen Size Class	27" (inches)	28" (inches)
Diagonal Size	27 in 68.6 cm 685.8 mm 2.25 ft	28 in 71.1 cm 711.2 mm 2.33 ft
Screen Width	23.47 in 59.6 cm 596.16 mm 1.96 ft	24.45 in 62.1 cm 620.928 mm 2.04 ft
Screen Height	13.2 in 33.5 cm 335.34 mm 1.1 ft	13.44 in 34.1 cm 341.28 mm 1.12 ft
Display Manufacturer	AU Optronics
Display Type	AHVA 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	0.155 mm	0.16 mm
Screen Pixel Density	163 ppi	157 ppi
Screen-to-Body Ratio	86.59 %	88.7 %
Backlight Source	W-LED	W-LED
sRGB	100 %
Screen Brightness	300 cd/m²	300 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	6 ms	4 ms
Display Average Response Time	12 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10
3D	No	No
Size, weight, color
Case Depth	2.52 in 6.4 cm 64 mm 0.21 ft	2.52 in 6.4 cm 64 mm 0.21 ft
Case Weight	5 kg 11 lbs	5 kg 11 lbs
Case Width with Stand	24.57 in 62.4 cm 624 mm 2.05 ft	25.15 in 63.9 cm 638.8 mm 2.1 ft
Case Height with Stand	21.65 in 55 cm 550 mm 1.8 ft	18.87 in 47.9 cm 479.3 mm 1.57 ft
Case Depth with Stand	9.72 in 24.7 cm 247 mm 0.81 ft	9.86 in 25.1 cm 250.5 mm 0.82 ft
Case Weight with Stand	7.82 kg 17 lbs	5.8 kg 13 lbs
Case Color	Gray	Dark Blue Gray
Hardware
Built-in Camera	No	No
Connectivity	1 x HDMI 1.4 (MHL) 1 x DisplayPort 1.2 1 x DVI-D Dual Link 1 x DisplayPort 1.2 (Input mini) 4 x USB 3.0 (downstream) 1 x USB 3.0 (upstream)	1 x 3.5 mm Audio Out 1 x HDMI 2.0 1 x DisplayPort 1.2
Audio
Audio Speakers	2 x 2W	2 x 4W
Features
Cool Features	Picture-by-Picture Picture-in-Picture Flicker-free technology HDCP (High-bandwidth Digital Content Protection)	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
Ergonomics
Case Width	24.57 in 62.4 cm 624 mm 2.05 ft	25.15 in 63.9 cm 638.8 mm 2.1 ft
Case Height	14.57 in 37 cm 370 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	150 mm 15 cm 5.9055 in 0.4921 ft
Landscape or Portrait Pivot Support	Yes	No
Left Pivot	0 °
Right Pivot	90 °
Left or Right Swivel Support	Yes	No
Left Swivel	60 °
Right Swivel	60 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	2 °
Backward Tilt	35 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	55 Hz - 75 Hz	40 Hz - 60 Hz
Horizontal Digital Frequency	30 kHz - 80 kHz
Accessories
Extras	DisplayPort cable DVI-D cable USB 3.0 upstream cable
Certificates and Standards
Licenses	ENERGY STAR	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 %

Acer B276HK

Samsung U28R55