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What we think
The PerfectRec monitor team Learn more
Updated April 22, 2024·
If you prioritize high-end gaming and media consumption with superior contrast and responsiveness, and you're willing to invest in a premium product, the Acer Predator X45 will deliver an immersive experience, especially with its wider screen and better color depth. However, if you're looking for a more balanced option for both casual and competitive gaming without spending as much, the LG 27GP83B offers a solid performance with good image clarity at a midrange price. The LG's affordability and performance make it suitable for digital photo editing and gaming, but it won't match the Acer's exceptional contrast and wide color gamut for HDR content. 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 Acer Predator X45 (W-OLED)
- Best in class for casual gaming
- Good for media consumption
- Very good refresh rate
- Best in class contrast
- Best in class brightness
- Best in class response time
Advantages of the LG 27GP83B (IPS)
- Good text clarity
- Good image clarity
Key differences
Casual Gaming
9.8
6.0
3440 x 1440
RESOLUTION
2560 x 1440
240Hz
REFRESH RATE
180Hz
Inf:1
NATIVE CONTRAST
807:1
1000 nits
SDR PEAK BRIGHTNESS
365 nits
Unknown
HDR PEAK BRIGHTNESS
472 nits
98.5 %
DCI-P3 COLOR GAMUT
95.6 %
Matte
COATING
Matte
The Acer Predator X45 (W-OLED) is best in class for casual gaming, while the LG 27GP83B (IPS) is only fair.
Productivity
4.0
6.2
3440 x 1440
RESOLUTION
2560 x 1440
83 PPI
PIXELS PER INCH
109 PPI
Yes
ADJUSTABLE STAND
Yes
Matte
COATING
Matte
The LG 27GP83B (IPS) is only fair for productivity, while the Acer Predator X45 (W-OLED) is poor.
Media Consumption
7.1
5.9
3440 x 1440
RESOLUTION
2560 x 1440
Inf:1
NATIVE CONTRAST
807:1
1000 nits
SDR PEAK BRIGHTNESS
365 nits
Unknown
HDR PEAK BRIGHTNESS
472 nits
Matte
COATING
Matte
The Acer Predator X45 (W-OLED) is good for media consumption, while the LG 27GP83B (IPS) is poor.
Cost
$1,200
$389
$0
$500
$1,000
$1,500
$2,000
The Acer Predator X45 (W-OLED) has a price of $1,200 and the LG 27GP83B (IPS) costs $389.
HDR Gaming and Media Consumption
Yes
No
The Acer Predator X45 (W-OLED) is suitable for HDR gaming and media consumption while the LG 27GP83B (IPS) is not suitable for HDR gaming and media consumption.
HDR Video Editing and Color Grading
Yes
No
The Acer Predator X45 (W-OLED) is suitable for HDR video editing and color grading while the LG 27GP83B (IPS) is not suitable for HDR video editing and color grading.
Print Photo Editing
Yes
No
The Acer Predator X45 (W-OLED) is suitable for print photo editing while the LG 27GP83B (IPS) is not suitable for print photo editing.
Key similarities
Competitive Gaming
6.4
6.0
240Hz
REFRESH RATE
180Hz
0.0 ms
TOTAL RESPONSE TIME
6.8 ms
48 - 240 Hz
VARIABLE REFRESH RATE
20 - 180 Hz
No
STROBING / BFI
Yes
1000 nits
SDR PEAK BRIGHTNESS
365 nits
The Acer Predator X45 (W-OLED) and LG 27GP83B (IPS) are both only fair for competitive gaming.
Digital Photo Editing
Yes
Yes
Both the Acer Predator X45 (W-OLED) and LG 27GP83B (IPS) are suitable for digital photo editing.
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We’re constantly working to improve.
How the Acer Predator X45 (W-OLED) and the LG 27GP83B (IPS) compare to other monitors
Spec Comparison
 |  | |
| Acer Predator X45 (W-OLED) | LG 27GP83B (IPS) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,200 | $389 | ||
Screen Size | |||
Screen Size | 45" | 27" | |
Resolution | |||
Resolution | 3440 x 1440 | 2560 x 1440 | |
Screen Type | |||
Screen Type | OLED | LED | |
Screen Sub-type | |||
Screen Sub-type | W-OLED | IPS | |
Refresh Rate | |||
Refresh Rate | 240Hz | 180Hz | |
COLOR, CONTRAST & BRIGHTNESS | |||
|---|---|---|---|
Native Contrast | |||
Native Contrast | Inf:1 | 807:1 | |
SDR Peak Brightness | |||
SDR Peak Brightness | 1000 nits | 365 nits | |
HDR Peak Brightness | |||
HDR Peak Brightness | Unknown | 472 nits | |
Suitable for HDR Gaming and Media Consumption | |||
Suitable for HDR Gaming and Media Consumption | Yes | No | |
sRGB Color Gamut | |||
sRGB Color Gamut | Unknown | 101.4 % | |
MOTION CHARACTERISTICS | |||
|---|---|---|---|
Total Response Time | |||
Total Response Time | 0.01 ms | 6.8 ms | |
Variable Refresh Rate | |||
Variable Refresh Rate | 48 - 240 Hz | 20 - 180 Hz | |
Strobing / BFI | |||
Strobing / BFI | No | Yes | |
Persistence Blur Score | |||
Persistence Blur Score | 8/10 | 7.3/10 | |
Ghosting Score | |||
Ghosting Score | 10/10 | 8/10 | |
TEXT & IMAGE CLARITY | |||
|---|---|---|---|
Pixels Per Inch | |||
Pixels Per Inch | 83 PPI | 109 PPI | |
Coating | |||
Coating | Matte | Matte | |
Text Clarity Score | |||
Text Clarity Score | 3.8/10 | 7/10 | |
Image Clarity Score | |||
Image Clarity Score | 4.9/10 | 7/10 | |
PORTS & CONNECTIVITY | |||
|---|---|---|---|
HDMI 1.4 Ports | |||
HDMI 1.4 Ports | 0 | 0 | |
HDMI 2.0 Ports | |||
HDMI 2.0 Ports | 2 | 2 | |
HDMI 2.1 Ports | |||
HDMI 2.1 Ports | 0 | 0 | |
Micro HDMI Ports | |||
Micro HDMI Ports | 0 | 0 | |
DisplayPort 1.2 Ports | |||
DisplayPort 1.2 Ports | 0 | 0 | |
Shopping
LG 27GP83B (IPS)
See more
Dig into reviews and images
Monitor Nerds
Paolo Reva | July 2021
"The LG 27GP83B-B offers today’s sweet spot in gaming specs and capabilities in a well-designed premium package. It’s the first 1440p upgrade over the previous releases such as the LG 27GL83A-B with improvements in image quality thanks to its Nano IPS panel."
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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.
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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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