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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Features
- Comments
LG 34GN850-B vs Dell Alienware AW3423DW
Side-by-Side Comparison
Products
LG 34GN850-B
Dell Alienware AW3423DW
Tested using Methodology v1.2
Updated May 24, 2024 06:22 PM
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Amazon.comTested using Methodology v2.0.1
Updated Mar 04, 2025 09:15 PM
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Amazon.com
Max Refresh Rate160 Hz
Size34"
Pixel TypeIPS
Native Resolution3440 x 1440
Variable Refresh RateYes
HDR10Yes
Max Refresh Rate175 Hz
Size34"
Pixel TypeQD-OLED
Native Resolution3440 x 1440
Variable Refresh RateYes
HDR10Yes
Variants
- 34GN850-B (34")
- Alienware AW3423DW (34")
Our Verdict
LG 34GN850-B
Dell Alienware AW3423DW
If you want the best gaming performance, the Dell Alienware AW3423DW is a better choice than the LG 34GN850-B. The Dell looks better in dark rooms, delivers a better HDR experience, and has better motion handling. The LG does have better text clarity, so if that's important to you, consider this monitor instead.
Check Price
34"
34GN850-B
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Amazon.com34"
Alienware AW3423DW
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Amazon.com34"
34GN850-B
SEE PRICE
Walmart.com34"
Alienware AW3423DW
SEE PRICE
Amazon.com34"
34GN850-B
SEE PRICE
Walmart.com34"
Alienware AW3423DW
SEE PRICE
Amazon.com34"
34GN850-B
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Amazon.com34"
Alienware AW3423DW
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Amazon.comNotice: Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable.
Learn how our test benches and scoring system work, and read more about the latest changes to our
monitors test methodology.
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Main Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.8
Full Comparison
Design
Style
Design Picture
Curved
Yes
Yes
Curve Radius
1900R
1800R
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Build Quality
7.0
8.5
Build Quality Picture
Ergonomics
5.9
7.3
Ergonomics Picture
Back Picture
Height Adjustment
4.3" (11.0 cm)
4.3" (11.0 cm)
Min Height To Top Of Panel
15.9" (40.5 cm)
Tilt Range
-15° to 5°
-21° to 5°
Rotate Portrait/Landscape
No
No
Swivel Range
No swivel
-20° to 20°
Wall Mount
VESA 100x100
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
17.8" (45.3 cm)
16.9" (43.0 cm)
Base Depth
12.2" (31.0 cm)
12.2" (30.9 cm)
Thickness (With Display)
10.4" (26.5 cm)
11.2" (28.5 cm)
Weight (With Display)
17.1 lbs (7.8 kg)
21.8 lbs (9.9 kg)
Display
Display Picture
Size
34"
34"
Housing Width
32.2" (81.9 cm)
32.1" (81.5 cm)
Housing Height
14.2" (36.1 cm)
14.3" (36.2 cm)
Thickness (Without Stand)
4.3" (10.9 cm)
5.3" (13.4 cm)
Weight (Without Stand)
12.4 lbs (5.6 kg)
15.4 lbs (7.0 kg)
Borders Size (Bezels)
0.4" (1.0 cm)
0.4" (0.9 cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
External Brick
Internal
Picture Quality
Contrast
5.9
10
Checkerboard Picture
Native Contrast
960 : 1
Inf : 1
Contrast With Local Dimming
N/A
Inf : 1
Local Dimming
0.0
10
Local Dimming Video
Local Dimming
No
No
Backlight
Edge
No Backlight
SDR Brightness
8.0
6.7
Real Scene
343 cd/m²
236 cd/m²
Peak 2% Window
354 cd/m²
248 cd/m²
Peak 10% Window
358 cd/m²
245 cd/m²
Peak 25% Window
359 cd/m²
245 cd/m²
Peak 50% Window
359 cd/m²
246 cd/m²
Peak 100% Window
359 cd/m²
246 cd/m²
Sustained 2% Window
354 cd/m²
247 cd/m²
Sustained 10% Window
358 cd/m²
242 cd/m²
Sustained 25% Window
359 cd/m²
242 cd/m²
Sustained 50% Window
359 cd/m²
244 cd/m²
Sustained 100% Window
359 cd/m²
243 cd/m²
Automatic Brightness Limiting (ABL)
0.001
0.001
Minimum Brightness
58 cd/m²
22 cd/m²
HDR Brightness
6.9
7.1
EOTF
VESA DisplayHDR Certification
DisplayHDR 400 - 1.0/1.1
DisplayHDR TRUE BLACK 400
Real Scene
441 cd/m²
484 cd/m²
Peak 2% Window
436 cd/m²
1,047 cd/m²
Peak 10% Window
436 cd/m²
474 cd/m²
Peak 25% Window
436 cd/m²
371 cd/m²
Peak 50% Window
436 cd/m²
312 cd/m²
Peak 100% Window
436 cd/m²
261 cd/m²
Sustained 2% Window
435 cd/m²
1,040 cd/m²
Sustained 10% Window
436 cd/m²
468 cd/m²
Sustained 25% Window
436 cd/m²
369 cd/m²
Sustained 50% Window
436 cd/m²
308 cd/m²
Sustained 100% Window
436 cd/m²
259 cd/m²
Automatic Brightness Limiting (ABL)
0.000
0.079
Horizontal Viewing Angle
7.0
10
Horizontal Viewing Angle Video
Horizontal Chroma Graph
Color Washout From Left
43°
70°
Color Washout From Right
42°
70°
Horizontal Hue Graph
Color Shift From Left
55°
70°
Color Shift From Right
54°
70°
Horizontal Lightness Graph
Brightness Loss From Left
47°
70°
Brightness Loss From Right
48°
70°
Black Level Raise From Left
26°
70°
Black Level Raise From Right
20°
70°
Gamma Shift From Left
37°
70°
Gamma Shift From Right
31°
70°
Vertical Viewing Angle
7.5
9.9
Vertical Viewing Angle Video
Vertical Chroma Graph
Color Washout From Below
33°
70°
Color Washout From Above
32°
70°
Vertical Hue Graph
Color Shift From Below
46°
70°
Color Shift From Above
58°
70°
Vertical Lightness Graph
Brightness Loss From Below
36°
70°
Brightness Loss From Above
34°
70°
Black Level Raise From Below
70°
61°
Black Level Raise From Above
70°
61°
Gamma Shift From Below
44°
70°
Gamma Shift From Above
41°
70°
Gray Uniformity
8.1
8.5
50% Uniformity Picture
50% Std. Dev.
2.733%
1.794%
50% DSE
0.144%
0.132%
Black Uniformity
6.6
10
Native Black Uniformity Picture
Native Std. Dev.
1.613%
0.111%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Color Accuracy (Pre-Calibration)
8.7
9.3
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
sRGB
Creator (sRGB)
sRGB Gamut Area xy
100.8%
102.7%
White Balance dE (Avg.)
3.28
1.21
Color Temperature (Avg.)
6,953 K
6,636 K
Gamma (Avg.)
2.20
2.25
Color dE (Avg.)
1.92
0.90
Contrast Setting
70
75
RGB Settings
Default
Default
Gamma Setting
Default
2.2
Brightness Setting
45
15
Measured Brightness
196 cd/m²
48 cd/m²
Brightness Locked
No
No
Color Accuracy (Post-Calibration)
9.8
9.6
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Gamer 1
Custom Color
sRGB Gamut Area xy
100.6%
101.1%
White Balance dE (Avg.)
0.63
0.62
Color Temperature (Avg.)
6,521 K
6,463 K
Gamma (Avg.)
2.18
2.18
Color dE (Avg.)
0.30
0.67
Contrast Setting
70
75
RGB Settings
50-49-48
100-99-100
Gamma Setting
Mode 2
No Gamma Setting
Brightness Setting
14
38
Measured Brightness
100 cd/m²
100 cd/m²
SDR Color Gamut
9.4
9.7
sRGB Color Gamut Picture
sRGB Coverage xy
99.0%
100.0%
sRGB Picture Mode
Gamer 1
Custom Color
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
86.6%
92.2%
Adobe RGB Picture Mode
Gamer 1
Custom Color
HDR Color Gamut
8.7
9.6
Wide Color Gamut
Yes
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
94.5%
99.4%
DCI-P3 Picture Mode
Gamer 1
HDR Peak 1000
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
71.6%
78.9%
Rec. 2020 Picture Mode
Gamer 1
HDR Peak 1000
HDR Color Volume
7.6
8.9
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
78.4%
96.3%
DCI-P3 Picture Mode
Gamer 1
HDR Peak 1000
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
62.2%
47.1%
Rec. 2020 Picture Mode
Gamer 1
HDR Peak 1000
Text Clarity
7.5
7.0
ClearType On
ClearType Off
Pixel Type
IPS
QD-OLED
Pixels
Subpixel Layout
RGB
Triangular RGB
Reflections
7.4
9.4
Average Room
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Matte
Glossy
Total Reflections
5.6%
1.4%
Indirect Reflections
3.3%
0.9%
Calculated Direct Reflections
2.3%
0.5%
Gradient
9.9
9.8
Gradient Picture
Color Depth
10 Bit
10 Bit
SDR Color Volume
9.6
sRGB Color Volume ITP Picture
sRGB In ICtCp
97.4%
sRGB Picture Mode
Gamer 1
Adobe RGB Color Volume ITP Picture
Adobe RGB In ICtCp
91.5%
Adobe RGB Picture Mode
Gamer 1
Motion
Refresh Rate
8.5
7.6
Native Refresh Rate
144 Hz
175 Hz
Max Refresh Rate
160 Hz
175 Hz
Max Refresh Rate Over DP
160 Hz
175 Hz
Max Refresh Rate Over HDMI
85 Hz
100 Hz
Max Refresh Rate Over DP @ 10-bit
144 Hz
144 Hz
Max Refresh Rate Over HDMI @ 10-Bit
50 Hz
60 Hz
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
Yes
FreeSync
Yes
Compatible (Tested)
G-SYNC
Compatible (NVIDIA Certified)
Yes (Native)
VRR Maximum
160 Hz
175 Hz
VRR Minimum
< 20 Hz
< 20 Hz
VRR Supported Connectors
DisplayPort, HDMI
DisplayPort, HDMI
VRR Motion Performance
9.8
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
No OD Mode
Variable Overdrive Advertised
No
Avg. CAD
15
Best CAD
14
Worst CAD
16
Refresh Rate Compliance
9.8
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
95%
Compliance @ 120 FPS
96%
Compliance @ 60 FPS
97%
Response Time @ 60Hz
7.9
Motion Blur Picture
Response Time Table
Recommended Overdrive Setting
Normal
No OD Mode
Rise / Fall Time
3.5 ms
0.3 ms
Total Response Time
13.9 ms
2.1 ms
Overshoot Error
4.2%
1 RGB
Worst 3 Rise / Fall Time
4.1 ms
0.4 ms
Worst 3 Total Response Time
22.5 ms
16.8 ms
Worst 3 Overshoot Error
20.5%
5 RGB
CAD @ Max Refresh Rate
9.9
Pursuit Photo At Max Refresh
CAD Heatmap At Max Refresh
OD Transition Max Refresh Rate
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
14
Best 10% CAD
6
Worst 10% CAD
23
Response Time @ Max Refresh Rate
First Response Time
3.4 ms
0.3 ms
Total Response Time
6.2 ms
0.9 ms
Recommended Overdrive Setting
Normal
No OD Mode
Motion Blur Picture
RGB Overshoot
1.0%
1 RGB
Worst 10% RGB Overshoot
8.7%
5 RGB
Worst 10% First Response Time
4.2 ms
0.4 ms
Worst 10% Total Response Time
8.8 ms
5.6 ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
Response Time Table
CAD @ 120Hz
9.9
Pursuit Photo 120Hz
CAD Heatmap 120Hz
OD Transition 120Hz
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
15
Best 10% CAD
7
Worst 10% CAD
28
Response Time @ 120Hz
Worst 10% First Response Time
4.6 ms
0.4 ms
RGB Overshoot
2.0%
0 RGB
Total Response Time
7.9 ms
1.0 ms
First Response Time
3.8 ms
0.3 ms
Recommended Overdrive Setting
Normal
No OD Mode
Worst 10% Total Response Time
12.9 ms
8.2 ms
Worst 10% RGB Overshoot
13.5%
5 RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
Motion Blur Picture
Response Time Table
CAD @ 60Hz
9.9
Pursuit Photo 60Hz
CAD Heatmap 60Hz
OD Transition 60Hz
OD noodmode
0 to 31
Recommended Overdrive Setting
No OD Mode
Avg. CAD
17
Best 10% CAD
7
Worst 10% CAD
51
Response Time @ 60Hz
Recommended Overdrive Setting
Normal
No OD Mode
First Response Time
3.5 ms
0.3 ms
Total Response Time
13.9 ms
2.1 ms
RGB Overshoot
4.2%
1 RGB
Worst 10% Total Response Time
22.5 ms
16.8 ms
Worst 10% First Response Time
4.1 ms
0.4 ms
Worst 10% RGB Overshoot
20.5%
5 RGB
60Hz First Response Heatmap
60Hz Total Response Heatmap
60Hz RGB Overshoot Heatmap
Backlight Strobing (BFI)
Backlight Strobing Picture
Backlight Strobing Frequency Picture
Backlight Strobing (BFI)
No BFI
No BFI
Maximum Frequency
N/A
N/A
Minimum Frequency
N/A
N/A
Longest Pulse Width Brightness
N/A
N/A
Shortest Pulse Width Brightness
N/A
N/A
Pulse Width Control
No BFI
No BFI
Pulse Phase Control
No BFI
No BFI
Pulse Amplitude Control
No BFI
No BFI
VRR At The Same Time
No BFI
No BFI
VRR Flicker
9.1
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
0.9 RGB
Middle Gray Flicker
0.2 RGB
Light Gray Flicker
0.1 RGB
Image Flicker
10
10
Backlight Picture
Flicker-Free
Yes
No
PWM Dimming Frequency
0 Hz
0 Hz
Inputs
Input Lag
9.0
8.7
Native Resolution @ Max Hz
3.7 ms
4.3 ms
Native Resolution @ 120Hz
4.8 ms
6.5 ms
Native Resolution @ 60Hz
9.2 ms
15.5 ms
Backlight Strobing (BFI)
N/A
N/A
Resolution
8.4
7.7
Native Resolution
3440 x 1440
3440 x 1440
Aspect Ratio
21:9
21:9
Megapixels
5.0 MP
5.0 MP
Pixel Density
108 PPI
110 PPI
Measured Screen Diagonal
34.0"
Screen Area
418 in²
PS5 Compatibility
7.0
5.0
PS5 Compatibility Photo
PS5 Compatibility Table
4k @ 120Hz
No
No
4k @ 60Hz
Yes
No
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
No
Xbox Series X|S Compatibility
9.2
5.0
XSX Compatibility Photo
XSX Compatibility Table
4k @ 120Hz
No
No
4k @ 60Hz
Yes
No
1440p @ 120Hz
Yes
Yes
1440p @ 60Hz
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 60Hz
Yes
Yes
HDR
Yes
VRR
Yes
Inputs Photos
Inputs 1
Inputs 2
Video And Audio Ports
DisplayPort
1 (DP 1.4)
1 (DP 1.4)
DisplayPort Transmission Bandwidth
No DisplayPort 2.1
Mini DisplayPort
No
No
HDMI
2 (HDMI 2.0)
2 (HDMI 2.0)
HDMI 2.1 Bandwidth
No HDMI 2.1
No HDMI 2.1
DVI
No
No
VGA
No
No
Daisy Chaining
No
No
3.5mm Audio Out
1
2
HDR10
Yes
Yes
3.5mm Audio In
No
No
3.5mm Microphone In
No
No
USB
USB-A Ports
2
4
USB-A Rated Speed
5Gbps (USB 3.2 Gen 1)
5Gbps (USB 3.2 Gen 1)
USB-B Upstream Port
Yes
Yes
USB-C Ports
0
0
USB-C Upstream
No USB-C Ports
No USB-C Ports
USB-C Rated Speed
No USB-C Ports
No USB-C Ports
USB-C Power Delivery
No USB-C Ports
No USB-C Ports
USB-C DisplayPort Alt Mode
No USB-C Ports
No USB-C Ports
Thunderbolt
No
No
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
No
No
RGB Illumination
No
Controllable
Multiple Input Display
No
No
KVM Switch
No
No
On-Screen Display (OSD)
OSD Picture
Check Price
34"
34GN850-B
SEE PRICE
Amazon.com34"
Alienware AW3423DW
SEE PRICE
Amazon.com34"
34GN850-B
SEE PRICE
Walmart.com34"
Alienware AW3423DW
SEE PRICE
Amazon.com34"
34GN850-B
SEE PRICE
Walmart.com34"
Alienware AW3423DW
SEE PRICE
Amazon.com34"
34GN850-B
SEARCH
Amazon.com34"
Alienware AW3423DW
SEARCH
Amazon.com
LG 34GN850-B
Dell Alienware AW3423DW
Comments
LG 34GN850-B vs Dell Alienware AW3423DW: Main Discussion
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