Compare Samsung U28R55 vs Samsung C34H890WG vs HP S430c
Connectivity
Ports
1x DisplayPort 1.2 + 2x HDMI 2.0 + 1x Headphone
1x USB 3.0 (downstream), 1x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.2, 2x USB 2.0 (downstream), 1x USB 3.0 (Type-C; 65W; DP Alt Mode)
1x HDMI 2.0 (HDCP), 1x DisplayPort 1.2 (HDCP), 1x 3.5 mm Audio Out, 2x USB 3.1 (Type-C; downstream; 85W), 2x USB 3.1 (downstream)
Construction
Adjustment | Height
135 mm / 5.315 in
115 mm / 4.5276 in
Adjustment | Pivot
N/A
N/A
Adjustment | Swivel
-30° ~ 30°
N/A
Adjustment | Tilt
-2.0° ~ 15.0°
-5° ~ 24°
-5° ~ 20°
Camera
No
Yes
Colors
Dark blue gray
Silver
Black
Form Factor
Curved monitor
Curved monitor
VESA Mount
75 x 75 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
90.6% screen-to-body ratio
90.45% screen-to-body ratio
Size | Depth
64 mm (w/o stand)
4.85 in / 123.3 mm w/o stand, 11.76 in / 298.6 mm w/ stand
5.54 in / 140.8 mm w/o stand
Size | Height
374 mm (w/o stand)
14.25 in / 361.9 mm w/o stand, 21.22 in / 538.9 mm w/ stand
14.25 in / 361.9 mm w/o stand
Size | Width
638.8 mm
31.94 in / 811.4 mm
41.61 in / 1057 mm
Weight
5.0 kg (w/o stand), 5.8 kg (w/ stand)
6.3 kg / 14 lbs w/o stand , 7.9 kg / 17 lbs w/ stand
14.3 kg / 31 lbs w/o stand
Display
Aspect Ratio
16:9
21:9
32:10
Brightness
300 nits
300 nits
350 nits
Contrast Ratio
1000:1
3000:1 (static), 100000000:1 (dynamic)
3000:1 (static), 50000000:1 (dynamic)
Display Backlight
W-LED
W-LED
Display Color Depth
1 Billion (10 bit)
8 bits, 16777216 colors
8 bits, 16777216 colors
Display Curvature
1800R
1800R
Display Diagonal
28 inch
34" (34 in / 863.6 mm)
43" (43.4 in / 1102.47 mm)
Display Type
IPS
SVA, Anti-glare/Matte, Samsung
VA, Anti-glare/Matte
Gamut
90% DCI
99% sRGB
Pixel Density
109 ppi
92 ppi
Pixel Pitch
0.232 mm
0.274 mm
Refresh Rate
60 Hz
48 Hz ~ 100 Hz
60 Hz
Resolution
4K UHD (3840x2160)
UW-QHD (3440x1440)
3840 x 1200
Response Time
4 ms
4 ms (min)
5 ms (min)
Viewing Angle
178°(H)/178°(V)
178° H / 178° V
178° H / 178° V
Function
HDR
HDR10
Licenses
ENERGY STAR, FCC Class B, ISO9241-307, TÜV/Ergonomics
ENERGY STAR, EPEAT, BSMI, CB, CCC, CE, CEL, cTUVus, EAC, EPA, FCC, ICES, ISO 9241-307, KCC, PSB, TCO Certified, TUV-S, UL, VCCI, WEEE, ISC
Operating Humidity
10 % ~ 80 %
20 % ~ 80 %
Operating Temperature
10-40 °C
10 °C ~ 40 °C , 50 °F ~ 104 °F
5 °C ~ 35 °C , 41 °F ~ 95 °F
Variable Framerate
AMD FreeSync
AMD FreeSync
Video
Eco Saving Plus, Eye Saver Mode, Game Mode, Picture-in-Picture, Picture-by-Picture, Flicker-free technology, Samsung MagicBright, Easy Setting Box, Samsung MagicUpscale
Picture-by-Picture, Picture-in-Picture, Windows Hello, HP DeviceBridge, HP Display Assistant
Performance
Energy Efficiency
C
Power Consumption
48 W
57 W (average) / 175 W (max) / 0.5 W (sleep) / 0.3 W (off)
80 W (average) / 220 W (max) / 0.5 W (sleep)
Production
Accessory
DisplayPort cable, HDMI cable, USB Type-C cable
DisplayPort cable, USB Type-C cable, VESA mount adapter
Debut
2020
2020
2019
Model Name
U28R55
Reviews
Neofiliac score
56%
64%
Pros
- Ultra-wide form factor
- 1800 curvature
- Stand with tilt, swivel, and height adjustments
- High 3000:1 contrast ratio
- High 90.6 % screen-to-body ratio
- Built-in camera
- Ultra-wide form factor
- 1800 curvature
- Stand with tilt and height adjustments
- High 3000:1 contrast ratio
- High 90.45 % screen-to-body ratio
Cons
- No publicized HDR support
- 8-bit display panel
- No publicized HDR support
- 8-bit display panel
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