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What we think
The PerfectRec monitor team Learn more
Updated April 12, 2024·
If you prioritize top-notch contrast and are focused on HDR gaming and media consumption, the LG 27EQ850 with its OLED technology offers superior picture quality with deep blacks, making it an excellent choice despite its higher cost. However, for a blend of gaming, productivity, and media consumption at a lower price, the Sony M9 may suit you better. It has a solid all-around performance with good brightness and color accuracy, and also offers variable refresh rate support for gaming. The Sony model also has better connectivity with more HDMI 2.1 ports, beneficial for the latest gaming consoles or high-end graphics cards. Keep in mind that the LG has a higher peak brightness in HDR, which may be important if you consume a lot of HDR content. On the other hand, if you engage in more competitive gaming, the Sony M9’s variable refresh rate feature and faster response time will likely provide a smoother experience. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the LG 27EQ850 (W-OLED)
- Best in class for casual gaming
- Best in class contrast
- Best in class response time
Advantages of the Sony M9 (IPS FALD)
- Best in class for productivity
- Very good text clarity
- Good brightness
- Good color volume
Key differences
Casual Gaming
9.5
7.3
3840 x 2160
RESOLUTION
3840 x 2160
60Hz
REFRESH RATE
144Hz
Inf:1
NATIVE CONTRAST
1000:1
200 nits
SDR PEAK BRIGHTNESS
432 nits
Unknown
HDR PEAK BRIGHTNESS
695 nits
99.0 %
DCI-P3 COLOR GAMUT
67.7 %
Matte
COATING
Matte
The LG 27EQ850 (W-OLED) is best in class for casual gaming, while the Sony M9 (IPS FALD) is good.
Productivity
6.6
9.6
3840 x 2160
RESOLUTION
3840 x 2160
163 PPI
PIXELS PER INCH
163 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The Sony M9 (IPS FALD) is best in class for productivity, while the LG 27EQ850 (W-OLED) is only fair.
Cost
$1,997
$800
$0
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The LG 27EQ850 (W-OLED) has a price of $1,997 and the Sony M9 (IPS FALD) costs $800.
Digital Photo Editing
No
Yes
The LG 27EQ850 (W-OLED) is not suitable for digital photo editing while the Sony M9 (IPS FALD) is suitable for digital photo editing.
Print Photo Editing
Yes
No
The LG 27EQ850 (W-OLED) is suitable for print photo editing while the Sony M9 (IPS FALD) is not suitable for print photo editing.
Key similarities
Competitive Gaming
5.4
5.7
60Hz
REFRESH RATE
144Hz
1.0 ms
TOTAL RESPONSE TIME
8.0 ms
N/A
VARIABLE REFRESH RATE
24 - 144 Hz
No
STROBING / BFI
No
200 nits
SDR PEAK BRIGHTNESS
432 nits
The Sony M9 (IPS FALD) and LG 27EQ850 (W-OLED) are both poor for competitive gaming.
Media Consumption
7.8
7.5
3840 x 2160
RESOLUTION
3840 x 2160
Inf:1
NATIVE CONTRAST
1000:1
200 nits
SDR PEAK BRIGHTNESS
432 nits
Unknown
HDR PEAK BRIGHTNESS
695 nits
Matte
COATING
Matte
The LG 27EQ850 (W-OLED) and Sony M9 (IPS FALD) are both good for media consumption.
HDR Gaming and Media Consumption
Yes
Yes
Both the LG 27EQ850 (W-OLED) and Sony M9 (IPS FALD) are suitable for HDR gaming and media consumption.
HDR Video Editing and Color Grading
No
No
Both the LG 27EQ850 (W-OLED) and Sony M9 (IPS FALD) are not suitable for HDR video editing and color grading.
Give feedback
We’re constantly working to improve.
How the LG 27EQ850 (W-OLED) and the Sony M9 (IPS FALD) compare to other monitors
Spec Comparison
 |  | |
| LG 27EQ850 (W-OLED) | Sony M9 (IPS FALD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,997 | $800 | ||
Screen Size | |||
Screen Size | 27" | 27" | |
Resolution | |||
Resolution | 3840 x 2160 | 3840 x 2160 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS FALD | |
Local Dimming Zones | |||
Local Dimming Zones | N/A | 96 | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1000:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 200 nits | 432 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 695 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | Yes | |
sRGB Color Gamut | |||
sRGB Color Gamut | 99 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1 ms | 8 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | N/A | 24 - 144 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 5/10 | 6.6/10 | |
Ghosting Score | |||
Ghosting Score | 9.6/10 | 7.6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 163 PPI | 163 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 6.9/10 | 8/10 | |
Image Clarity Score | |||
Image Clarity Score | 8/10 | 8/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 1 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 1 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 0 | 2 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Give feedback
We're constantly perfecting our model
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CEO and Monitors Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
Jason Lew
Staff Expert & Software Engineer
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Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
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