Compare ViewSonic VA3456-MHDJ vs Lenovo ThinkVision P34w-20 vs Lenovo ThinkVision S28u-10
Connectivity
Ports
1x 3.5 mm Audio Out, 2x HDMI 2.0, 1x DisplayPort 1.4
1x Ethernet RJ45 (1 Gbps), 1x HDMI 2.0, 1x DisplayPort 1.2 (out), 1x 3.5 mm Audio Out, 1x DisplayPort 1.2 (in), 3x USB 3.0 (Type-A; downstream), 1x USB 3.1 (Type-C; upstream; 100W; DP Alt Mode)
1x 3.5 mm Audio Out, 1x HDMI 2.0, 1x DisplayPort 1.2
Construction
Adjustment | Height
100 mm / 3.937 in
N/A
N/A
Adjustment | Pivot
N/A
N/A
N/A
Adjustment | Swivel
-180° ~ 180°
N/A
N/A
Adjustment | Tilt
-4° ~ 20°
N/A
-5° ~ 22°
Camera
No
No
No
Colors
Black
Black
Black
Form Factor
Curved monitor
Curved monitor
Speakers
2x 3W
2x 3W
VESA Mount
100 x 100 mm
100 x 100 mm
100 x 100 mm
Dimensions
Bezels
89.31% screen-to-body ratio
95.52% screen-to-body ratio
Size | Depth
2.32 in / 59 mm w/o stand, 7.91 in / 201 mm w/ stand
1.94 in / 49.2 mm w/o stand, 9.05 in / 229.99 mm w/ stand
Size | Height
14.45 in / 367 mm w/o stand, 16.27 in / 413.31 mm w/ stand
14.71 in / 373.68 mm w/o stand, 17.75 in / 450.82 mm w/ stand
Size | Width
32.17 in / 817 mm
25.08 in / 636.94 mm
Weight
6.8 kg / 15 lbs w/o stand , 9.2 kg / 20 lbs w/ stand
4.58 kg / 10 lbs w/o stand , 5.24 kg / 12 lbs w/ stand
Display
Aspect Ratio
21:9
21:9
16:9
Brightness
400 nits
300 nits
350 nits
Contrast Ratio
1000:1 (static), 50000000:1 (dynamic)
1000:1 (static)
1000:1 (static), 3000000:1 (dynamic)
Display Backlight
W-LED
W-LED
W-LED
Display Color Depth
10 bits (8 bits + FRC), 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
10 bits (8 bits + FRC), 1073741824 colors
Display Curvature
1800R
3800R
Display Diagonal
34" (34.13 in / 867 mm)
34" (34.14 in / 867.2 mm)
28" (27 in / 685.8 mm)
Display Type
IPS, Anti-glare/Matte (3H)
IPS, Anti-glare/Matte (3H), LG Display
IPS, Anti-glare/Matte, Innolux
Gamut
72% NTSC, 104% sRGB
99% sRGB
90% DCI-P3, 99% sRGB
Pixel Density
109 ppi
109 ppi
154 ppi
Pixel Pitch
0.233 mm
0.233 mm
0.165 mm
Refresh Rate
24 Hz ~ 76 Hz
60 Hz
49 Hz ~ 76 Hz
Resolution
UW-QHD (3440x1440)
UW-QHD (3440x1440)
4K (3840x2160)
Response Time
4 ms (min)
4 ms (min) / 6 ms (avg)
4 ms (min) / 6 ms (avg)
Viewing Angle
178° H / 178° V
178° H / 178° V
178° H / 178° V
Function
HDR
HDR10
HDR10
Licenses
CB, CE, CE EMC, CEC, cTUVus, EAC, ErP, FCC-B, ICES003, MX-CoC, Mexico Energy, RCM, REACH, UkrSEPRO, WEEE
CCC, ENERGY STAR 8.0, EPEAT Silver, RoHS (EU 2002/95/EC), TCO 8.0, TCO Edge 2.0, TÜV Rheinland Eye Comfort, Windows Certification
Operating Humidity
20 % ~ 90 %
10 % ~ 80 %
10 % ~ 80 %
Operating Temperature
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 40 °C , 32 °F ~ 104 °F
0 °C ~ 45 °C , 32 °F ~ 113 °F
Video
ECO Mode, Flicker-free technology, SuperClear IPS, Low Blue Light, 3-side borderless design, Adaptive-Sync technology
Low Blue Light, Picture-by-Picture, Picture-in-Picture, Flicker-free technology, KVM Switch
Flicker-free technology, Low Blue Light
Performance
Power Consumption
43 W (average) / 45 W (max) / 37 W (eco) / 0.5 W (sleep) / 0.3 W (off)
28 W (average) / 48 W (max) / 28 W (eco) / 0.3 W (sleep) / 0.3 W (off)
Production
Accessory
HDMI cable
HDMI cable
Debut
2021
2021
2020
Reviews
Neofiliac score
73%
50%
72%
Pros
- Ultra-wide form factor
- 1800R curvature
- Stand with tilt, swivel, and height adjustments
- High 1000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
- Ultra-wide form factor
- 3800R curvature
- High 1000:1 contrast ratio
- 10-bit display panel
- Build-in speakers included
- Rich color reproduction
- High 1000:1 contrast ratio
- 10-bit display panel
- High 95.52 % screen-to-body ratio
Cons
- Stand lacks ergonomic adjustment
- No publicized HDR support
- Only tilt adjustment
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