Acer Predator X45 OLED 45 inch and LG UltraGear 27GP850-B 1440p 165Hz are very close in this matchup. When the overall score is tied, the right choice usually comes down to price, review depth, and which spec wins matter most for your use case.
Pick Acer Predator X45 OLED 45 inch if color gamut are the reasons you are shopping in this category. It currently costs about $510.00 more, so make sure those wins matter to you.
Pick LG UltraGear 27GP850-B 1440p 165Hz if refresh rate, resolution, and response time are the reasons you are shopping in this category.
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP850-B 1440p 165Hz |
|---|---|---|
| Color Gamut | 99% DCI-P3 ✓ | 98% DCI-P3 |
| Display Size | 45-inch | - |
| HDR | HDR True Black | - |
| Panel Type | OLED | IPS |
| Refresh Rate | 60 Hz (office) or 75 Hz | 165 Hz ✓ |
| Resolution | 1080p FHD | 1440p QHD (2560x1440) ✓ |
| Response Time | 0.03 ms (GtG) | 1 ms (GtG) ✓ |
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP850-B 1440p 165Hz |
|---|---|---|
| Ports | - | 2x HDMI 2.1 + DP 1.4 + USB hub |
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP850-B 1440p 165Hz |
|---|---|---|
| Brand | Acer | LG |
| Category | Computer monitor | Computer monitor |
| Model Number | - | 27GP850-B |
Based on 11 spec comparisons plus user ratings, both products are closely matched, so price and feature priorities should drive the final choice.
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These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
VSFinder compares 10 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When the score is close, the lower-scoring option can still be the better buy if it wins on the features you care about most or lands at a meaningfully lower price.
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $849.99 for Acer Predator X45 OLED 45 inch and $339.99 for LG UltraGear 27GP850-B 1440p 165Hz.
