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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Features
- Comments
Samsung C34F791/CF791 vs LG 34WK95U-W
Side-by-Side Comparison
Products
Samsung C34F791/CF791
LG 34WK95U-W
Tested using Methodology v1.0
Updated Oct 05, 2022 07:33 PM
SEE PRICE
Amazon.comTested using Methodology v1.0
Updated Mar 20, 2023 02:50 PM
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Amazon.com
Size34"
LCD TypeVA
Variable Refresh RateFreeSync
Native Resolution3440 x 1440
Native Refresh Rate100 Hz
Size34"
LCD TypeIPS
Variable Refresh RateNo
Native Resolution5120 x 2160
Native Refresh Rate60 Hz
Variants
- C34F791 (34")
- 34WK95U (34")
Our Verdict
Samsung C34F791/CF791
LG 34WK95U-W
The two monitors are different types. For most people, the IPS panel LG 34WK95U is better than the VA panel Samsung C34F791/CF791. The LG supports HDR, has better viewing angles, and has a lower input lag. On the other hand, the Samsung CF791 has better blacks and will perform better in a dark room.
Check Price
34"
C34F791
SEE PRICE
Amazon.com34"
34WK95U
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Amazon.comMain Differences for
Threshold
Mixed Usage
6.9
7.7
Vertical Viewing Angle
4.4
8.1
Horizontal Viewing Angle
4.9
6.9
Input Lag
7.2
9.0
Full Comparison
Design
Style
Design Picture
Size
34"
34"
Curved
Yes
No
Curve radius
1500R
N/A
Weight (without stand)
13.2 lbs (6.0 kg)
16.8 lbs (7.6 kg)
Weight (with stand)
16.5 lbs (7.5 kg)
19.8 lbs (9.0 kg)
Stand
Stand picture
Width
9.7" (24.6 cm)
17.6" (44.7 cm)
Depth
12.2" (31.0 cm)
9.2" (23.4 cm)
Ergonomics
4.7
4.5
Ergonomics picture
Height Adjustment
3.9" (9.9 cm)
4.3" (10.9 cm)
Switch portrait/landscape
No
No
Swivel Range
N/A
N/A
Tilt Range
-20° to 15°
-17.5° to 5°
Back
Back picture
Wall Mount
VESA 100x100
VESA 100x100
Borders
Borders picture
Borders
0.3" (0.8 cm)
0.5" (1.3 cm)
Thickness
Thickness picture
Thickness (with stand)
8.1" (20.6 cm)
6.6" (16.8 cm)
Thickness (without stand)
4.6" (11.7 cm)
2.2" (5.6 cm)
Build Quality
8.0
7.5
Build Quality picture
Picture Quality
Contrast
7.6
6.3
Checkerboard Picture
LCD Type
VA
IPS
Native Contrast
2,527 : 1
1,184 : 1
Contrast with local dimming
N/A
1,193 : 1
Local Dimming
0.0
1.5
Local Dimming Video
Local Dimming
No
Yes
Backlight
Direct
Edge
SDR Peak Brightness
7.0
8.0
SDR Real Scene
264 cd/m²
384 cd/m²
SDR Peak 2% Window
247 cd/m²
246 cd/m²
SDR Peak 10% Window
246 cd/m²
358 cd/m²
SDR Peak 25% Window
246 cd/m²
391 cd/m²
SDR Peak 50% Window
245 cd/m²
393 cd/m²
SDR Peak 100% Window
244 cd/m²
395 cd/m²
SDR Sustained 2% Window
246 cd/m²
245 cd/m²
SDR Sustained 10% Window
246 cd/m²
358 cd/m²
SDR Sustained 25% Window
245 cd/m²
391 cd/m²
SDR Sustained 50% Window
245 cd/m²
393 cd/m²
SDR Sustained 100% Window
244 cd/m²
394 cd/m²
SDR ABL
0.001
0.000
HDR Peak Brightness
0.0
6.6
HDR Real Scene
N/A
408 cd/m²
HDR Peak 2% Window
N/A
237 cd/m²
HDR Peak 10% Window
N/A
346 cd/m²
HDR Peak 25% Window
N/A
372 cd/m²
HDR Peak 50% Window
N/A
374 cd/m²
HDR Peak 100% Window
N/A
574 cd/m²
HDR Sustained 2% Window
N/A
236 cd/m²
HDR Sustained 10% Window
N/A
346 cd/m²
HDR Sustained 25% Window
N/A
372 cd/m²
HDR Sustained 50% Window
N/A
373 cd/m²
HDR Sustained 100% Window
N/A
370 cd/m²
HDR ABL
N/A
0.030
Horizontal Viewing Angle
4.9
6.9
Horizontal Viewing Angle Video
Horizontal Color Shift Picture
Color Shift from Left
33°
32°
Color Shift from Right
32°
32°
Horizontal Brightness Picture
Brightness from Left
45°
42°
Brightness from Right
45°
42°
Horizontal Black Level Picture
Black Level from Left
12°
75°
Black Level from Right
11°
75°
Curve Radius
1,500R
N/A
Vertical Viewing Angle
4.4
8.1
Vertical Viewing Angle Video
Vertical Color Shift Picture
Color Shift from Below
26°
25°
Color Shift from Above
26°
26°
Vertical Brightness Picture
Brightness from Below
33°
35°
Brightness from Above
33°
36°
Vertical Black Level Picture
Black Level from Below
5°
75°
Black Level from Above
5°
75°
Gray Uniformity
8.2
8.7
50% Uniformity Picture
50% Std. Dev.
4.408%
3.203%
50% DSE
0.103%
0.107%
5% Uniformity Picture
5% Std. Dev.
1.800%
0.366%
5% DSE
0.061%
0.058%
Black Uniformity
5.2
4.6
Native Black Uniformity Picture
Native Std. Dev.
2.554%
1.903%
Black Uniformity Picture with Local Dimming
Std. Dev. w/ L.D.
N/A
6.029%
Pre Calibration
7.2
8.2
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
Custom
sRGB
Luminance
243 cd/m²
193 cd/m²
Luminance Settings
100
75
Contrast Setting
75
70
RGB controls
Cool1
N/A
Color Temperature
6,346 K
6,142 K
White Balance dE
3.46
2.47
Color dE
3.09
2.11
Gamma
2.26
2.27
Post Calibration
9.4
9.7
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Custom
User
Luminance
99 cd/m²
97 cd/m²
Luminance Settings
23
20
Contrast Setting
75
70
RGB Controls
35-44-50
50-50-48
Color Temperature
6,432 K
6,534 K
White Balance dE
0.63
0.53
Color dE
0.84
0.36
Gamma
2.19
2.19
SDR Color Gamut
8.9
9.2
Color Gamut sRGB Picture
sRGB xy
95.6%
99.9%
Color Gamut ARGB Picture
Adobe RGB xy
80.8%
84.2%
SDR Color Volume
9.4
9.4
sRGB Color Volume ITP picture
sRGB in ICtCp
98.5%
97.9%
Adobe RGB Color Volume ITP Picture
Adobe RGB in ICtCp
88.2%
89.3%
HDR Color Gamut
0.0
7.9
Wide Color Gamut
No
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
N/A
87.3%
Color Gamut Rec.2020 Picture
Rec. 2020 xy
N/A
71.0%
HDR Color Volume
0.0
7.6
P3 Color Volume ITP Picture
DCI-P3 in ICtCp
N/A
79.5%
2020 Color Volume ITP Picture
Rec. 2020 in ICtCp
N/A
71.7%
Image Retention
7.7
10
Image Retention Picture
IR after 0 min recovery
0.11%
0.00%
IR after 2 min recovery
0.00%
0.00%
IR after 4 min recovery
0.00%
0.00%
IR after 6 min recovery
0.00%
0.00%
IR after 8 min recovery
0.00%
0.00%
IR after 10 min recovery
0.00%
0.00%
Gradient
8.1
9.8
Gradient Picture
Color Depth
8 Bit
10 Bit
Color Bleed
10
10
Color bleed horizontal
Pixel row error
0.001%
0.000%
Color bleed vertical
Pixel column error
0.001%
0.000%
Reflections
7.5
7.5
Average room
Average room off picture
Bright room off picture
Motion
Motion Blur
9.0
8.6
Motion Blur Picture
Response Time Chart
80% Response Time
4.0 ms
5.1 ms
100% Response Time
13.7 ms
14.2 ms
Best Overdrive Setting
Faster
Fast
Image Flicker
7.5
4.5
Backlight Picture
Flicker-free
Yes
No
PWM Dimming Frequency
0 Hz
240 Hz
Black Frame Insertion (BFI)
No
No
BFI Picture
BFI Frequency Picture
BFI Maximum Frequency
N/A
N/A
BFI Minimum Frequency
N/A
N/A
Refresh Rate
8.8
6.7
Variable Refresh Rate
FreeSync
No
Native Refresh Rate
100 Hz
60 Hz
Factory Overclock
N/A
N/A
Variable Refresh Rate
FreeSync
No
G-SYNC Compatible
Partial
No
VRR Maximum
100 Hz
N/A
VRR Minimum
< 20 Hz
N/A
VRR Maximum With OC
N/A
N/A
VRR Supported Connectors
DisplayPort, HDMI
N/A
Inputs
Input Lag
7.2
9.0
Native Resolution
20.7 ms
8.7 ms
Non-Native Res @ Native Refresh
N/A
8.9 ms
Native Resolution @ 60 Hz
26.9 ms
8.7 ms
Variable Refresh Rate
23.6 ms
N/A
10 bit HDR
N/A
8.9 ms
Black Frame Insertion (BFI)
N/A
N/A
Resolution and Size
8.9
9.4
Native Resolution
3440 x 1440
5120 x 2160
Aspect Ratio
21:9
21:9
Megapixels
5.0 MP
11.1 MP
Pixel Density
110 PPI
163 PPI
Screen Diagonal
34.0"
34.0"
Screen Area
411 in²
415 in²
Inputs
Inputs 1
Inputs 2
Total Inputs
DisplayPort
1 (DP 1.2)
1 (DP 1.4)
Mini DisplayPort
No
No
HDMI
2 (HDMI 2.0)
2 (HDMI 2.0)
DVI
No
No
VGA
No
No
DisplayPort Out
No
No
USB
2 (USB 3.0)
2 (USB 3.0)
USB C
No
1 (USB, Thunderbolt 3)
Analog Audio Out 3.5mm
1
1
Microphone In 3.5mm
No
No
Digital Optical Audio Out
No
No
Analog Audio Out RCA
No
No
Power Supply
External Brick
Internal
Features
Additional Features
Speakers
Yes
Yes
HDR10
No
Yes
Multiple input display
PIP + PBP
PBP
On-Screen Display (OSD)
OSD picture
Controls
Controls picture
In The Box
In The Box picture
Check Price
34"
C34F791
SEE PRICE
Amazon.com34"
34WK95U
SEE PRICE
Amazon.com
Samsung C34F791/CF791
LG 34WK95U-W
Comments
Samsung C34F791/CF791 vs LG 34WK95U-W: Main Discussion
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