LG - UltraGear 27GP950-B vs Samsung - ViewFinity S9 (S90PC)
Between the UltraGear 27GP950-B and ViewFinity S9 (S90PC), the UltraGear 27GP950-B comes out ahead in refresh rate and response time (gtg), while the ViewFinity S9 (S90PC) wins on dci-p3 coverage. Overall, the UltraGear 27GP950-B scores 78.2 and the ViewFinity S9 (S90PC) scores 59.3 on our Mars Score.
Which should you buy?
The UltraGear 27GP950-B is the clear pick on raw spec strength, leading by 18.9 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 27GP950-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 refresh rate, response time (gtg), g-sync, among others.
Pick the ViewFinity S9 (S90PC) if you care most about dci-p3 coverage. Its strongest claims are dci-p3 coverage.
Both ship with comparable peak brightness, screen size, panel type, so those specs don't separate the two — focus on the differences below.
Bottom line: the UltraGear 27GP950-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 27GP950-B wins
- ▲Refresh rate — 166.67% more. 160 Hz vs 60 Hz.
- ▲Response time (GtG) — 80.00% less. 1 ms vs 5 ms.
- ▲Has G-Sync.
- ▲Has FreeSync.
Why Samsung - ViewFinity S9 (S90PC) wins
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
Spec comparison
Panel
| Spec | LG - UltraGear 27GP950-B | Samsung - ViewFinity S9 (S90PC) |
|---|---|---|
| Screen sizeⓘ | 27 " | 27 " |
| Panel typeⓘ | IPS | IPS |
| Resolutionⓘ | 4K | 5Klead |
| Aspect ratioⓘ | 16:9 | 16:9 |
| Curvedⓘ | false | false |
Performance
| Spec | LG - UltraGear 27GP950-B | Samsung - ViewFinity S9 (S90PC) |
|---|---|---|
| Refresh rateⓘ | 160 Hzlead | 60 Hz |
| Response time (GtG)ⓘ | 1 mslead | 5 ms |
| Peak brightnessⓘ | 600 nits | 600 nits |
| DCI-P3 coverageⓘ | 98 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | truelead | false |
| FreeSyncⓘ | truelead | false |
Connectivity
| Spec | LG - UltraGear 27GP950-B | Samsung - ViewFinity S9 (S90PC) |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1lead | 0 |
| USB-C input | false | truelead |
| USB-C Power Deliveryⓘ | — | 90 W |
| KVM | false | false |
Frequently asked
Which has higher refresh rate, UltraGear 27GP950-B or ViewFinity S9 (S90PC)?+
UltraGear 27GP950-B refreshes at 160Hz vs 60Hz.
Which has faster response time, UltraGear 27GP950-B or ViewFinity S9 (S90PC)?+
UltraGear 27GP950-B responds in 1ms vs 5ms.
Does UltraGear 27GP950-B or ViewFinity S9 (S90PC) have USB-C with power delivery?+
ViewFinity S9 (S90PC) offers USB-C with 90W power delivery.
Spec-level deep dives
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