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What we think
The PerfectRec monitor team Learn more
Updated April 12, 2024·
If you prioritize a high refresh rate and ultrawide format for immersive gaming, the Corsair 45WQHD240 offers excellent contrast and performance for gaming and HDR media. However, it's not ideal for tasks requiring accurate color representation, like photo editing. The LG UltraFine 5K, less expensive yet with a sharper image and superb color accuracy, is better suited for productivity and digital photo editing, but it's not as well-equipped for gaming due to a lower refresh rate. If budget is less of a concern and gaming or watching HDR content is your main focus, the Corsair might be the right choice; for detailed work and general media consumption, consider the LG. 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 Corsair 45WQHD240 (W-OLED)
- Very good for casual gaming
- Very good refresh rate
- Best in class contrast
- Excellent response time
Advantages of the LG UltraFine 5K 27MD5KL (IPS)
- Very good for productivity
- Good for media consumption
- Best in class text clarity
- Best in class image clarity
- Good brightness
Key differences
Casual Gaming
8.1
6.0
3440 x 1440
RESOLUTION
5120 x 2880
240Hz
REFRESH RATE
60Hz
Inf:1
NATIVE CONTRAST
1200:1
141 nits
SDR PEAK BRIGHTNESS
500 nits
632 nits
HDR PEAK BRIGHTNESS
Unknown
97.6 %
DCI-P3 COLOR GAMUT
99.0 %
Matte
COATING
Glossy
The Corsair 45WQHD240 (W-OLED) is very good for casual gaming, while the LG UltraFine 5K 27MD5KL (IPS) is only fair.
Productivity
3.9
8.7
3440 x 1440
RESOLUTION
5120 x 2880
84 PPI
PIXELS PER INCH
218 PPI
No
ADJUSTABLE STAND
Yes
Matte
COATING
Glossy
The LG UltraFine 5K 27MD5KL (IPS) is very good for productivity, while the Corsair 45WQHD240 (W-OLED) is poor.
Media Consumption
5.7
7.0
3440 x 1440
RESOLUTION
5120 x 2880
Inf:1
NATIVE CONTRAST
1200:1
141 nits
SDR PEAK BRIGHTNESS
500 nits
632 nits
HDR PEAK BRIGHTNESS
Unknown
Matte
COATING
Glossy
The LG UltraFine 5K 27MD5KL (IPS) is good for media consumption, while the Corsair 45WQHD240 (W-OLED) is poor.
Cost
$1,700
$1,228
$500
$1,000
$1,500
$2,000
$2,500
$3,000
The Corsair 45WQHD240 (W-OLED) has a price of $1,700 and the LG UltraFine 5K 27MD5KL (IPS) costs $1,228.
HDR Gaming and Media Consumption
Yes
No
The Corsair 45WQHD240 (W-OLED) is suitable for HDR gaming and media consumption while the LG UltraFine 5K 27MD5KL (IPS) is not suitable for HDR gaming and media consumption.
Key similarities
Competitive Gaming
5.4
5.0
240Hz
REFRESH RATE
60Hz
1.6 ms
TOTAL RESPONSE TIME
14.0 ms
20 - 240 Hz
VARIABLE REFRESH RATE
N/A
No
STROBING / BFI
No
141 nits
SDR PEAK BRIGHTNESS
500 nits
The Corsair 45WQHD240 (W-OLED) and LG UltraFine 5K 27MD5KL (IPS) are both poor for competitive gaming.
Digital Photo Editing
Yes
Yes
Both the Corsair 45WQHD240 (W-OLED) and LG UltraFine 5K 27MD5KL (IPS) are suitable for digital photo editing.
HDR Video Editing and Color Grading
No
No
Both the Corsair 45WQHD240 (W-OLED) and LG UltraFine 5K 27MD5KL (IPS) are not suitable for HDR video editing and color grading.
Print Photo Editing
No
No
Both the Corsair 45WQHD240 (W-OLED) and LG UltraFine 5K 27MD5KL (IPS) are not suitable for print photo editing.
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How the Corsair 45WQHD240 (W-OLED) and the LG UltraFine 5K 27MD5KL (IPS) compare to other monitors
Spec Comparison
 |  | |
| Corsair 45WQHD240 (W-OLED) | LG UltraFine 5K 27MD5KL (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,700 | $1,228 | ||
Screen Size | |||
Screen Size | 45" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 5120 x 2880 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS | |
Refresh Rate | |||
Refresh Rate | 240Hz | 60Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 1200:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 141 nits | 500 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | 632 nits | Unknown | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | 99.6 % | 100 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 1.6 ms | 14 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 20 - 240 Hz | N/A | |
Strobing / BFI | |||
Strobing / BFI | No | No | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 5/10 | |
Ghosting Score | |||
Ghosting Score | 9.3/10 | 6/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 84 PPI | 218 PPI | |
Coating | |||
Coating | Matte | Glossy | |
Text Clarity Score | |||
Text Clarity Score | 4/10 | 10/10 | |
Image Clarity Score | |||
Image Clarity Score | 5.1/10 | 10/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 0 | 0 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 2 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Give feedback
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Joe Golden, Ph.D
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
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.
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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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