Quick takeaway
Acer Predator X45 OLED 45 inch leads this matchup 2 to 2 on measured spec rows and by 33 points overall. LG UltraGear 27GP950-B 4K Gaming is also about $410.00 cheaper at the latest tracked price.
Acer Predator X45 OLED 45 inch vs LG UltraGear 27GP950-B 4K Gaming
Choose Acer Predator X45 OLED 45 inch if...
Pick Acer Predator X45 OLED 45 inch if color gamut and resolution are the reasons you are shopping in this category. It currently costs about $410.00 more, so make sure those wins matter to you.
Choose LG UltraGear 27GP950-B 4K Gaming if...
Pick LG UltraGear 27GP950-B 4K Gaming if refresh rate and response time are the reasons you are shopping in this category.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Display
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP950-B 4K Gaming |
|---|---|---|
| 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 | At least 144 Hz ✓ |
| Resolution | 1080p FHD ✓ | 4K UHD (3840x2160) |
| Response Time | 0.03 ms (GtG) | 1 ms (GtG) ✓ |
Connectivity
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP950-B 4K Gaming |
|---|---|---|
| Ports | - | 2x HDMI 2.1 + DP 1.4 + USB hub |
General
| Spec | Acer Predator X45 OLED 45 inch | LG UltraGear 27GP950-B 4K Gaming |
|---|---|---|
| Brand | Acer | LG |
| Category | Computer monitor | Computer monitor |
| Model Number | - | 27GP950-B |
The verdict
Based on 11 spec comparisons plus user ratings, the Acer Predator X45 OLED 45 inch comes out ahead with a stronger overall score.
As an Amazon Associate, VSFinder earns from qualifying purchases.
Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Acer Predator X45 OLED 45 inch vs LG UltraGear 27GP950-B 4K Gaming score measuring?
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 does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
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 $439.99 for LG UltraGear 27GP950-B 4K Gaming.