LG - UltraGear 45GX950A-B vs ASUS - ROG Swift PG34WCDM
Between the UltraGear 45GX950A-B and ROG Swift PG34WCDM, the UltraGear 45GX950A-B comes out ahead in screen size, while the ROG Swift PG34WCDM wins on refresh rate and dci-p3 coverage. Overall, the UltraGear 45GX950A-B scores 83.8 and the ROG Swift PG34WCDM scores 75.1 on our Mars Score.
Which should you buy?
The UltraGear 45GX950A-B is the clear pick on raw spec strength, leading by 8.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the UltraGear 45GX950A-B 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 screen size.
Pick the ROG Swift PG34WCDM if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are refresh rate, dci-p3 coverage, panel type.
Both ship with comparable response time (gtg), peak brightness, usb-c power delivery, so those specs don't separate the two — focus on the differences below.
Bottom line: the UltraGear 45GX950A-B is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why LG - UltraGear 45GX950A-B wins
- ▲Screen size — 32.35% more. 45 " vs 34 ".
Why ASUS - ROG Swift PG34WCDM wins
- ▲Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
- ▲DCI-P3 coverage — 0.51% more. 99 % vs 98.5 %.
- ▲Panel type: QD-OLED (vs OLED).
Spec comparison
Panel
| Spec | LG - UltraGear 45GX950A-B | ASUS - ROG Swift PG34WCDM |
|---|---|---|
| Screen sizeⓘ | 45 "lead | 34 " |
| Panel typeⓘ | OLED | QD-OLEDlead |
| Resolutionⓘ | 5Klead | 1440p |
| Aspect ratioⓘ | 21:9 | 21:9 |
| Curvedⓘ | true | true |
Performance
| Spec | LG - UltraGear 45GX950A-B | ASUS - ROG Swift PG34WCDM |
|---|---|---|
| Refresh rateⓘ | 165 Hz | 240 Hzlead |
| Response time (GtG)ⓘ | 0.03 ms | 0.03 ms |
| Peak brightnessⓘ | 1300 nits | 1300 nits |
| DCI-P3 coverageⓘ | 98.5 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | true | true |
| FreeSyncⓘ | true | true |
Connectivity
| Spec | LG - UltraGear 45GX950A-B | ASUS - ROG Swift PG34WCDM |
|---|---|---|
| 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, UltraGear 45GX950A-B or ROG Swift PG34WCDM?+
ROG Swift PG34WCDM refreshes at 240Hz vs 165Hz.
Which has faster response time, UltraGear 45GX950A-B or ROG Swift PG34WCDM?+
ROG Swift PG34WCDM responds in 0.03ms vs 0.03ms.
Does UltraGear 45GX950A-B or ROG Swift PG34WCDM have USB-C with power delivery?+
Both offer USB-C PD — 90W on UltraGear 45GX950A-B, 90W on ROG Swift PG34WCDM.
Spec-level deep dives
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