Compare Samsung U28R55 vs Samsung S27A700 vs Samsung S27A800
Connectivity
Ports
1x DisplayPort 1.2 + 2x HDMI 2.0 + 1x Headphone
1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 1x USB 3.0 (Type-A; downstream), 1x HDMI 2.0
1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 1x USB 2.0 (Type-A; downstream), 3x USB 3.0 (Type-A; downstream)
Construction
Adjustment | Height
N/A
120 mm / 4.7244 in
Adjustment | Pivot
N/A
-0° ~ 90°
Adjustment | Swivel
N/A
-30° ~ 30°
Adjustment | Tilt
-2.0° ~ 15.0°
-2° ~ 22°
-2° ~ 25°
Camera
No
No
Colors
Dark blue gray
Black
Black
VESA Mount
75 x 75 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
88.38% screen-to-body ratio
88.38% screen-to-body ratio
Size | Depth
64 mm (w/o stand)
1.68 in / 42.7 mm w/o stand, 7.62 in / 193.5 mm w/ stand
1.68 in / 42.7 mm w/o stand, 7.73 in / 196.4 mm w/ stand
Size | Height
374 mm (w/o stand)
14.5 in / 368.2 mm w/o stand, 17.95 in / 456 mm w/ stand
14.5 in / 368.2 mm w/o stand, 17 in / 431.9 mm w/ stand
Size | Width
638.8 mm
24.23 in / 615.5 mm
24.23 in / 615.5 mm
Weight
5.0 kg (w/o stand), 5.8 kg (w/ stand)
5.5 kg / 12 lbs w/o stand , 5.5 kg / 12 lbs w/ stand
4.4 kg / 10 lbs w/o stand , 6.4 kg / 14 lbs w/ stand
Display
Aspect Ratio
16:9
16:9
16:9
Brightness
300 nits
300 nits
300 nits
Contrast Ratio
1000:1
2500:1 (static)
1000:1 (static)
Display Backlight
W-LED
W-LED
Display Color Depth
1 Billion (10 bit)
10 bits (8 bits + FRC), 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Diagonal
28 inch
27" (26.99 in / 685.655 mm)
27" (26.99 in / 685.655 mm)
Display Type
IPS
IPS, Anti-glare/Matte
IPS, Anti-glare/Matte
Gamut
90% DCI
Pixel Density
163 ppi
163 ppi
Pixel Pitch
0.155 mm
0.155 mm
Refresh Rate
60 Hz
60 Hz
60 Hz
Resolution
4K UHD (3840x2160)
4K (3840x2160)
4K (3840x2160)
Response Time
4 ms
5 ms (min)
5 ms (min)
Viewing Angle
178°(H)/178°(V)
178° H / 178° V
178° H / 178° V
Function
HDR
HDR10
HDR10
HDR10
Licenses
Energy Star, TUV Smart Eye Protection Certification
Energy Star, TUV Smart Eye Protection Certification
Operating Humidity
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
10-40 °C
10 °C ~ 40 °C , 50 °F ~ 104 °F
10 °C ~ 40 °C , 50 °F ~ 104 °F
Variable Framerate
AMD FreeSync
Video
Eco Saving Plus, Eye Saver Mode, Game Mode, Picture-by-Picture, Low Blue Light, Flicker-free technology, Adaptive Picture, Picture-in-Picture, Eco Light Sensor, Shape-in-Shape
Eco Saving Plus, Eye Saver Mode, Game Mode, Picture-by-Picture, Low Blue Light, Flicker-free technology, Adaptive Picture, Picture-in-Picture, Eco Light Sensor, Shape-in-Shape
Performance
Energy Efficiency
G
Power Consumption
48 W
0.5 W (sleep)
28 W (average) / 0.5 W (sleep)
Production
Accessory
HDMI cable
HDMI cable, USB 3.0 cable
Debut
2020
2021
2021
Model Name
U28R55
Reviews
Neofiliac score
56%
72%
Pros
- High 2500:1 contrast ratio
- 10-bit display panel
- Stand with tilt, swivel, pivot, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
Cons
- Only tilt adjustment
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