Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Acer - Predator X32 X3 | LG - UltraGear 45GX950A-B |
|---|---|---|
| Refresh rate | 240 Hz | 165 Hz |
| Screen size | 32 " | 45 " |
| Peak brightness | 1000 nits | 1300 nits |
| DCI-P3 coverage | 99 % | 98.5 % |
Between the Predator X32 X3 and UltraGear 45GX950A-B, the Predator X32 X3 comes out ahead in refresh rate / dci-p3 coverage, while the UltraGear 45GX950A-B wins on screen size / peak brightness. Overall, the Predator X32 X3 scores 76.8 and the UltraGear 45GX950A-B scores 81.4 on our Mars Score.
Which should you buy?
The UltraGear 45GX950A-B edges ahead on the Mars Score (76.8 vs 81.4), but the 4.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Predator X32 X3 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are refresh rate, dci-p3 coverage. The single most decisive one: Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
Pick the UltraGear 45GX950A-B if you care most about screen size / peak brightness. Its strongest claims are screen size, peak brightness. The single most decisive one: Screen size — 40.63% more. 45 " vs 32 ".
Both ship with comparable response time (gtg), panel type, usb-c power delivery, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Acer - Predator X32 X3 or LG - UltraGear 45GX950A-B?
LG - UltraGear 45GX950A-B leads the current Mars Score by 4.6 points.The more useful decision is the trade-off behind that result: compare screen size, refresh rate against the way you will actually use the product.
Choose Acer - Predator X32 X3 if…
Acer - Predator X32 X3 has the measurable edge on refresh rate hz, color gamut dci p3 pct.
Choose LG - UltraGear 45GX950A-B if…
LG - UltraGear 45GX950A-B has the measurable edge on screen size in, peak brightness nits.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Acer - Predator X32 X3 wins
- ▲Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
- ▲DCI-P3 coverage — 0.51% more. 99 % vs 98.5 %.
Why LG - UltraGear 45GX950A-B wins
- ▲Screen size — 40.63% more. 45 " vs 32 ".
- ▲Peak brightness — 30.00% more. 1300 nits vs 1000 nits.
Spec comparison
Panel
| Spec | Acer - Predator X32 X3 | LG - UltraGear 45GX950A-B |
|---|---|---|
| Screen size | 32 " | 45 "lead |
| Panel typeⓘ | OLED | OLED |
| Resolutionⓘ | 4K | 5Klead |
| Aspect ratioⓘ | 16:9 | 21:9 |
| Curvedⓘ | false | truelead |
Performance
| Spec | Acer - Predator X32 X3 | LG - UltraGear 45GX950A-B |
|---|---|---|
| Refresh rateⓘ | 240 Hzlead | 165 Hz |
| Response time (GtG)ⓘ | 0.03 ms | 0.03 ms |
| Peak brightnessⓘ | 1000 nits | 1300 nitslead |
| DCI-P3 coverageⓘ | 99 %lead | 98.5 % |
| HDRⓘ | true | true |
| G-Syncⓘ | true | true |
| FreeSyncⓘ | true | true |
Connectivity
| Spec | Acer - Predator X32 X3 | LG - UltraGear 45GX950A-B |
|---|---|---|
| HDMI ports | 2 | 2 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 90 W | 90 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, Predator X32 X3 or UltraGear 45GX950A-B?+
Predator X32 X3 refreshes at 240Hz vs 165Hz.
Which has faster response time, Predator X32 X3 or UltraGear 45GX950A-B?+
UltraGear 45GX950A-B responds in 0.03ms vs 0.03ms.
Does Predator X32 X3 or UltraGear 45GX950A-B have USB-C with power delivery?+
Both offer USB-C PD — 90W on Predator X32 X3, 90W on UltraGear 45GX950A-B.