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Comparison between Samsung C34J791 vs Lenovo ThinkVision P27u-20

General Info
Model Number Samsung C34J791 Lenovo ThinkVision P27u-20
Price
Type Monitor Monitor
Year 2018 2021
Brand Samsung Lenovo
Model Number C34J791 ThinkVision P27u-20
Alias LC34J791WTEXXS 62CBRAR6
Display
Screen Size Class 34" (inches) 27" (inches)
Diagonal Size 34 in
86.4 cm
863.6 mm
2.83 ft
26.96 in
68.5 cm
684.66 mm
2.25 ft
Screen Width 31.49 in
80 cm
799.8 mm
2.62 ft
23.49 in
59.7 cm
596.736 mm
1.96 ft
Screen Height 13.18 in
33.5 cm
334.8 mm
1.1 ft
13.22 in
33.6 cm
335.664 mm
1.1 ft
Display Curvature 1500
Display Manufacturer Samsung
Display Type SVA IPS
Display Bit Depth 8 bits 10 bits (8 bits + FRC)
Frame Rate Control No Yes
Max Number of Colors 16777216 1073741824
Bits 24 30
Screen Aspect Ratio 21:9 16:9
Screen Resolution 3440 x 1440 3840 x 2160
Screen Pixel Pitch 0.233 mm 0.155 mm
Screen Pixel Density 109 ppi 163 ppi
Screen-to-Body Ratio 91.27 % 88.48 %
Backlight Source Edge LED W-LED
DCI P3 99.1%
Rec.2020 83.7
sRGB 125 % 100 %
Adobe RGB 1998 92 % 99.5 %
Screen Brightness 300 cd/m² 400 cd/m²
Max Screen Brightness 450 cd/m²
Static Screen Contrast 3000 : 1 1000 : 1
Dynamic Screen Contrast 100000000 : 1 3000000 : 1
Screen Horizontal Viewing Angle 178 ° 178 °
Screen Vertical Viewing Angle 178 ° 178 °
Screen Input Lag 6 ms
Display Minimum Response Time 4 ms 4 ms
Display Average Response Time 14 ms 6 ms
Display Coating Anti-glare/Matte (2H) Anti-glare/Matte
HDR DisplayHDR 400
3D No No
Size, weight, color
Case Depth 6.57 in
16.7 cm
167 mm
0.55 ft
2.08 in
5.3 cm
52.9 mm
0.17 ft
Case Weight 6.3 kg
14 lbs
5.5 kg
12 lbs
Case Width with Stand 31.84 in
80.9 cm
808.7 mm
2.65 ft
24.17 in
61.4 cm
613.8 mm
2.01 ft
Case Height with Stand 20.31 in
51.6 cm
516 mm
1.69 ft
16.59 in
42.1 cm
421.4 mm
1.38 ft
Case Depth with Stand 12.18 in
30.9 cm
309.4 mm
1.02 ft
8.66 in
22 cm
219.9 mm
0.72 ft
Case Weight with Stand 7.7 kg
17 lbs
8 kg
18 lbs
Case Color White, Silver Raven Black
Hardware
Built-in Camera No No
Network LAN
Connectivity 1 x DisplayPort 1.2
2 x Thunderbolt 3.0
1 x 3.5 mm Audio Out
2 x USB 2.0 (downstream)
1 x HDMI 1.4
1 x USB 3.2 (Type-B; Gen 1; upstream)
1 x Ethernet RJ45 (1 Gbps)
1 x DisplayPort 1.2
1 x Thunderbolt 4.0 (out)
1 x Thunderbolt 4.0 (in; 100W)
2 x HDMI 2.0
1 x USB (Type-C; Gen 1; upstream; 27W)
1 x 3.5 mm Audio Out
3 x USB 3.2 (Type-A; Gen 1; downstream)
Audio
Audio Speakers 2 x 7W 2 x 3W
Features
Cool Features Eye Saver Mode
Flicker-free technology
Picture-by-Picture
Picture-in-Picture
HDCP (High-bandwidth Digital Content Protection)
AMD FreeSync technology
Eco Saving Plus
KVM Switch
Lenovo ThinkColor
Smart Light
Low Blue Light
3-side NearEdgeless Design
Factory calibration ∆EHeadset Rack
Extra Features Anti-theft stand lock slot - Kensington Anti-theft stand lock slot - Kensington
Ergonomics
Case Width 31.84 in
80.9 cm
808.7 mm
2.65 ft
24.17 in
61.4 cm
613.8 mm
2.01 ft
Case Height 14.28 in
36.3 cm
362.8 mm
1.19 ft
14.52 in
36.9 cm
368.8 mm
1.21 ft
Vesa Mount Support Yes Yes
VESA Interface Standard Size 100 x 100 100 x 100
Removable VESA Stand Yes Yes
Height Adjustment Yes Yes
Height Adjustment Range 100 mm
10 cm
3.937 in
0.3281 ft
135 mm
13.5 cm
5.315 in
0.4429 ft
Landscape or Portrait Pivot Support No Yes
Left Pivot 90 °
Right Pivot 90 °
Left or Right Swivel Support No Yes
Left Swivel 45 °
Right Swivel 45 °
Forward and Backward Tilt Support Yes Yes
Forward Tilt 2 ° 5 °
Backward Tilt 34 ° 35 °
Frequency and Interpolation
Vertical Digital Frequency 48 Hz - 100 Hz 60 Hz
Horizontal Digital Frequency 30 kHz - 152 kHz
Screen Interpolation Measurement Unit NULL
Accessories
Extras DisplayPort cable (for the USA and Canada only)
Thunderbolt cable
USB Type-C to Type-A cable
Factory Calibration Report
Certificates and Standards
Licenses ENERGY STAR
FCC Class B
ISO9241-307
TÜV/Ergonomics
CCC
China Energy Efficiency Standard Tier 1
Energy Star
EPEAT
RoHS
TCO 8.0
TCO Edge 2.0
TÜV Rheinland Eye Comfort
Windows Certification (Windows 7
Windows 10)
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 % 10 % - 80 %
Internal Storage Temperature -20 °C - 60 °C
-4 °F - 140 °F
-20 °C - 60 °C
-4 °F - 140 °F
Internal Storage Humidity 5 % - 95 % 5 % - 95 %
Samsung C34J791 Lenovo ThinkVision P27u-20