Products
LG 27GX790A-B
LG 27GX700A-B
early access
Tested using Methodology v2.1.1
Updated Nov 07, 2025 02:05 PM
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Amazon.com
Tested using Methodology v2.1.1
Updated Nov 18, 2025 01:42 PM
This review is in Early access
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Max Refresh Rate
480 Hz
Size
27"
Pixel Type
OLED
Native Resolution
2560 x 1440
Max Refresh Rate
Hz
Size
"
Pixel Type
Native Resolution
Our Verdict
LG 27GX790A-B
LG 27GX700A-B
Full comparison details regarding individual product score sets can be found in the section below
0
Variants
- 27GX790A-B (27")
- 27GX700A-B (27")
Check Price
27"
27GX790A-B
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Amazon.com
27"
27GX700A-B
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Amazon.com
27"
27GX790A-B
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BestBuy.com
27"
27GX700A-B
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BestBuy.com
27"
27GX790A-B
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B&H
27"
27GX700A-B
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Walmart.com
27"
27GX790A-B
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Walmart.com
27"
27GX700A-B
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27"
27GX790A-B
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27"
27GX700A-B
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Main Differences for
PC Gaming
PC Gaming
Threshold
PC Gaming
9.2
Full Comparison
Design
Style
Design Picture
Curved
No
Curve Radius
Not Curved
Accelerated Longevity Test
Uniformity Pictures
Longevity Graph
Build Quality
8.5
Build Quality Picture
Ergonomics
8.2
Ergonomics Picture
Back Picture
Height Adjustment
4.9" (12.5 cm)
" ( cm)
Min Height To Top Of Panel
17.9" (45.5 cm)
" ( cm)
Tilt Range
-5° to 12.5°
Rotate Portrait/Landscape
Yes, Clockwise
Swivel Range
-25° to 25°
Wall Mount
VESA 100x100
Stand
Stand Picture
Thickness Picture
Base Width
12.1" (30.7 cm)
" ( cm)
Base Depth
9.8" (25.0 cm)
" ( cm)
Thickness (With Display)
7.0" (17.7 cm)
" ( cm)
Weight (With Display)
20.3 lbs (9.2 kg)
lbs ( kg)
Display
Display Picture
Size
27"
"
Housing Width
23.9" (60.6 cm)
" ( cm)
Housing Height
14.1" (35.9 cm)
" ( cm)
Thickness (Without Stand)
1.8" (4.6 cm)
" ( cm)
Weight (Without Stand)
11.3 lbs (5.1 kg)
lbs ( kg)
Borders Size (Bezels)
0.3" (0.8 cm)
" ( cm)
Controls
Controls Picture
In The Box
In The Box Picture
Power Supply
External Brick
Picture Quality
Contrast
10
Checkerboard Picture
Native Contrast
Inf : 1
: 1
Contrast With Local Dimming
Inf : 1
: 1
Local Dimming
10
Local Dimming Video
Local Dimming
No
Backlight
No Backlight
SDR Brightness
6.3
Real Scene
181 cd/m²
cd/m²
Peak 2% Window
347 cd/m²
cd/m²
Peak 10% Window
346 cd/m²
cd/m²
Peak 25% Window
348 cd/m²
cd/m²
Peak 50% Window
282 cd/m²
cd/m²
Peak 100% Window
223 cd/m²
cd/m²
Sustained 2% Window
345 cd/m²
cd/m²
Sustained 10% Window
344 cd/m²
cd/m²
Sustained 25% Window
345 cd/m²
cd/m²
Sustained 50% Window
281 cd/m²
cd/m²
Sustained 100% Window
222 cd/m²
cd/m²
Automatic Brightness Limiting (ABL)
0.030
Minimum Brightness
12 cd/m²
cd/m²
HDR Brightness
7.0
EOTF
VESA DisplayHDR Certification
DisplayHDR TRUE BLACK 400
Real Scene
445 cd/m²
cd/m²
Peak 2% Window
1,255 cd/m²
cd/m²
Peak 10% Window
814 cd/m²
cd/m²
Peak 25% Window
453 cd/m²
cd/m²
Peak 50% Window
330 cd/m²
cd/m²
Peak 100% Window
269 cd/m²
cd/m²
Sustained 2% Window
1,155 cd/m²
cd/m²
Sustained 10% Window
750 cd/m²
cd/m²
Sustained 25% Window
412 cd/m²
cd/m²
Sustained 50% Window
299 cd/m²
cd/m²
Sustained 100% Window
242 cd/m²
cd/m²
Automatic Brightness Limiting (ABL)
0.093
Gray Uniformity
8.7
50% Uniformity Picture
50% Std. Dev.
1.546%
%
50% DSE
0.125%
%
Black Uniformity
10
Native Black Uniformity Picture
Native Std. Dev.
0.323%
%
Black Uniformity Picture With Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Color Accuracy (Pre-Calibration)
8.0
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
Picture Mode
sRGB
sRGB Gamut Area xy
99.7%
%
White Balance dE (Avg.)
5.21
Color Temperature (Avg.)
6,152 K
K
Gamma (Avg.)
2.02
Color dE (Avg.)
2.89
Contrast Setting
70
RGB Settings
50-50-50
Gamma Setting
Mode 2
Brightness Setting
35
Measured Brightness
86 cd/m²
cd/m²
Brightness Locked
No
Color Accuracy (Post-Calibration)
9.4
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Gamer 1
sRGB Gamut Area xy
101.8%
%
White Balance dE (Avg.)
0.67
Color Temperature (Avg.)
6,564 K
K
Gamma (Avg.)
2.23
Color dE (Avg.)
1.57
Contrast Setting
70
RGB Settings
50-55-56
Gamma Setting
Mode 2
Brightness Setting
69
Measured Brightness
100 cd/m²
cd/m²
ICC Profile
SDR Color Gamut
9.6
sRGB Color Gamut Picture
sRGB Coverage xy
100.0%
%
sRGB Picture Mode
Gamer 1
Adobe RGB Color Gamut Picture
Adobe RGB Coverage xy
89.7%
%
Adobe RGB Picture Mode
Gamer 1
HDR Color Gamut
9.3
Wide Color Gamut
Yes
DCI-P3 Color Gamut Picture
DCI-P3 Coverage xy
98.1%
%
DCI-P3 Picture Mode
Gamer 1
Rec. 2020 Color Gamut Picture
Rec. 2020 Coverage xy
71.0%
%
Rec. 2020 Picture Mode
Gamer 1
HDR Color Volume
8.1
DCI-P3 Color Volume ITP Picture
1,000 cd/m² DCI-P3 Coverage ICtCp
73.4%
%
DCI-P3 Picture Mode
Gamer 1
Rec. 2020 Color Volume ITP Picture
10,000 cd/m² Rec. 2020 Coverage ICtCp
36.5%
%
Rec. 2020 Picture Mode
Gamer 1
Viewing Angle
9.9
Viewing Angle Video
Chroma Graph
Color Washout From Left
70°
°
Color Washout From Right
70°
°
Hue Graph
Color Shift From Left
61°
°
Color Shift From Right
68°
°
Lightness Graph
Brightness Loss From Left
70°
°
Brightness Loss From Right
70°
°
Black Level Raise From Left
70°
°
Black Level Raise From Right
70°
°
Gamma Shift From Left
70°
°
Gamma Shift From Right
70°
°
Text Clarity
6.5
ClearType On
ClearType Off
Pixel Type
OLED
Pixels
Subpixel Layout
RGWB
Direct Reflections
8.0
Ring Light Picture
Direct Reflections Graph
Peak Direct Reflection Intensity
16.2%
%
Screen Finish
Matte
Ambient Black Level Raise
8.0
Black Level Raise Picture
Ambient Black Level Raise Graph
Black Luminance @ 0 lx
0.00 cd/m²
cd/m²
Black Luminance @ 1000 lx
0.96 cd/m²
cd/m²
Total Reflected Light
8.4
Bright Room Off Picture
Total Reflection Ring Light Picture
Total Reflected Light Intensity
12,267% ⋅ pixel
% ⋅ pixel
Diffraction Artifacts
No
Gradient
9.5
Gradient Picture
Color Depth
10 Bit
Bit
Motion
Refresh Rate
8.8
Native Refresh Rate
480 Hz
Hz
Max Refresh Rate
480 Hz
Hz
Max Refresh Rate Over DP
480 Hz
Hz
Max Refresh Rate Over HDMI
480 Hz
Hz
Max Refresh Rate Over DP @ 10-bit
480 Hz
Hz
Max Refresh Rate Over HDMI @ 10-Bit
480 Hz
Hz
DSC Toggle
No
DSC Off Max Refresh Rate Over DP
N/A
Hz
DSC Off Max Refresh Rate Over HDMI
N/A
Hz
Variable Refresh Rate (VRR)
Variable Refresh Rate
Yes
FreeSync
Yes
G-SYNC
Compatible (NVIDIA Certified)
VRR Maximum
480 Hz
Hz
VRR Minimum
< 20 Hz
VRR Supported Connectors
DisplayPort, HDMI
VRR Motion Performance
9.9
Pursuit Photo VRR
OD Mode CAD Comparison
Recommended VRR OD Setting
No OD Mode
Variable Overdrive Advertised
No
Avg. CAD
11
Best CAD
11
Worst CAD
12
Refresh Rate Compliance
9.8
Fast GTG Sequence
VRR Compliance
Compliance @ Max Hz
91%
%
Compliance @ 120 FPS
97%
%
Compliance @ 60 FPS
98%
%
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
10
Best 10% CAD
5
Worst 10% CAD
14
Response Time @ Max Refresh Rate
First Response Time
0.2 ms
ms
Total Response Time
0.4 ms
ms
Recommended Overdrive Setting
No OD Mode
RGB Overshoot
0 RGB
RGB
Worst 10% RGB Overshoot
0 RGB
RGB
Worst 10% First Response Time
0.3 ms
ms
Worst 10% Total Response Time
1.8 ms
ms
Heatmap First Response
Heatmap Total Response
Heatmap RGB Overshoot
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
13
Best 10% CAD
6
Worst 10% CAD
19
Response Time @ 120Hz
Worst 10% First Response Time
0.5 ms
ms
RGB Overshoot
0 RGB
RGB
Total Response Time
0.3 ms
ms
First Response Time
0.3 ms
ms
Recommended Overdrive Setting
No OD Mode
Worst 10% Total Response Time
1.1 ms
ms
Worst 10% RGB Overshoot
1 RGB
RGB
120Hz First Response Heatmap
120Hz Total Response Heatmap
120Hz Heatmap RGB Overshoot
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
16
Best 10% CAD
7
Worst 10% CAD
25
Response Time @ 60Hz
Recommended Overdrive Setting
No OD Mode
First Response Time
0.4 ms
ms
Total Response Time
0.4 ms
ms
RGB Overshoot
0 RGB
RGB
Worst 10% Total Response Time
0.6 ms
ms
Worst 10% First Response Time
0.6 ms
ms
Worst 10% RGB Overshoot
0 RGB
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
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
Pulse Phase Control
No BFI
Pulse Amplitude Control
No BFI
VRR At The Same Time
No BFI
VRR Flicker
4.5
VRR Flicker Video
VRR Flicker Graph
Dark Gray Flicker
5.4 RGB
RGB
Middle Gray Flicker
2.6 RGB
RGB
Light Gray Flicker
2.4 RGB
RGB
Image Flicker
10
Backlight Picture
Flicker-Free
No
PWM Dimming Frequency
0 Hz
Inputs
Input Lag
9.3
Native Resolution @ Max Hz
1.9 ms
ms
Native Resolution @ 120Hz
5.4 ms
ms
Native Resolution @ 60Hz
10.5 ms
ms
Backlight Strobing (BFI)
N/A
N/A
Resolution
7.5
Native Resolution
2560 x 1440
Aspect Ratio
16:9
Megapixels
3.7 MP
MP
Pixel Density
109 PPI
PPI
PS5 Compatibility
9.3
PS5 Compatibility Photo
PS5 Compatibility Table
4k @ 120Hz
Yes
4k @ 60Hz
Yes
1440p @ 120Hz
Yes
1440p @ 60Hz
Yes
1080p @ 120Hz
Yes
1080p @ 60Hz
Yes
Xbox Series X|S Compatibility
9.3
XSX Compatibility Photo
XSX Compatibility Table
4k @ 120Hz
Yes
4k @ 60Hz
Yes
1440p @ 120Hz
Yes
1440p @ 60Hz
Yes
1080p @ 120Hz
Yes
1080p @ 60Hz
Yes
Inputs
Inputs 1
Inputs 2
DisplayPort
1 (DP 2.1)
DisplayPort Transmission Bandwidth
UHBR13.5 (54.00 Gbps)
Mini DisplayPort
No
HDMI
2 (HDMI 2.1)
HDMI 2.1 Bandwidth
48Gbps (FRL 12x4)
Daisy Chaining
No
3.5mm Audio Out
Yes
Ethernet
No
HDR10
Yes
Dolby Vision
No
USB
USB-A Ports
2
USB-A Rated Speed
5Gbps (USB 3.2 Gen 1)
USB-B Upstream Port
Yes
USB-C Ports
0
USB-C Upstream
No USB-C Ports
USB-C Rated Speed
No USB-C Ports
USB-C Power Delivery
No USB-C Ports
USB-C DisplayPort Alt Mode
No USB-C Ports
Thunderbolt
No
macOS Compatibility
macOS Screenshot
Features
Additional Features
Speakers
No
RGB Illumination
Presets
Multiple Input Display
No
KVM Switch
No
Smart OS
No
On-Screen Display (OSD)
OSD Picture
Check Price
27"
27GX790A-B
SEE PRICE
Amazon.com
27"
27GX700A-B
SEE PRICE
Amazon.com
27"
27GX790A-B
SEE PRICE
BestBuy.com
27"
27GX700A-B
SEE PRICE
BestBuy.com
27"
27GX790A-B
SEE PRICE
B&H
27"
27GX700A-B
SEE PRICE
Walmart.com
27"
27GX790A-B
SEARCH
Walmart.com
27"
27GX700A-B
SEE PRICE
B&H
27"
27GX790A-B
SEARCH
LG.com
27"
27GX700A-B
SEARCH
LG.com
LG 27GX790A-B
LG 27GX700A-B
Comments
LG 27GX790A-B vs LG 27GX700A-B: Main Discussion
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