HP - Z27k G3 4K USB-C vs Samsung - Odyssey OLED G9 (G93SC)
Between the Z27k G3 4K USB-C and Odyssey OLED G9 (G93SC), the Z27k G3 4K USB-C comes out ahead in usb-c power delivery, while the Odyssey OLED G9 (G93SC) wins on refresh rate / peak brightness. Overall, the Z27k G3 4K USB-C scores 59 and the Odyssey OLED G9 (G93SC) scores 89 on our Mars Score.
Which should you buy?
The Odyssey OLED G9 (G93SC) is the clear pick on raw spec strength, leading by 30.0 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 Z27k G3 4K USB-C if you care most about usb-c power delivery. The biggest gaps in its favor are usb-c power delivery.
Pick the Odyssey OLED G9 (G93SC) 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, peak brightness, response time (gtg), among others.
Both ship with comparable g-sync, so those specs do not separate the two — focus on the differences below.
Bottom line: the Odyssey OLED G9 (G93SC) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why HP - Z27k G3 4K USB-C wins
- ▲USB-C Power Delivery — 53.85% more. 100 W vs 65 W.
Why Samsung - Odyssey OLED G9 (G93SC) wins
- ▲Refresh rate — 300.00% more. 240 Hz vs 60 Hz.
- ▲Peak brightness — 150.00% more. 1000 nits vs 400 nits.
- ▲Response time (GtG) — 99.40% less. 0.03 ms vs 5 ms.
- ▲Screen size — 81.48% more. 49 " vs 27 ".
- ▲DCI-P3 coverage — 1.02% more. 99 % vs 98 %.
- ▲Has FreeSync.
- ▲Panel type: QD-OLED (vs IPS).
Spec comparison
Panel
| Spec | HP - Z27k G3 4K USB-C | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Screen sizeⓘ | 27 " | 49 "lead |
| Panel typeⓘ | IPS | QD-OLEDlead |
| Resolutionⓘ | 4K | 5Klead |
| Aspect ratioⓘ | 16:9 | 32:9 |
| Curvedⓘ | false | truelead |
Performance
| Spec | HP - Z27k G3 4K USB-C | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Refresh rateⓘ | 60 Hz | 240 Hzlead |
| Response time (GtG)ⓘ | 5 ms | 0.03 mslead |
| Peak brightnessⓘ | 400 nits | 1000 nitslead |
| DCI-P3 coverageⓘ | 98 % | 99 %lead |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | truelead |
Connectivity
| Spec | HP - Z27k G3 4K USB-C | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| HDMI ports | 1 | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C input | true | true |
| USB-C Power Deliveryⓘ | 100 Wlead | 65 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, Z27k G3 4K USB-C or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) refreshes at 240Hz vs 60Hz.
Which has faster response time, Z27k G3 4K USB-C or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) responds in 0.03ms vs 5ms.
Does Z27k G3 4K USB-C or Odyssey OLED G9 (G93SC) have USB-C with power delivery?+
Both offer USB-C PD — 100W on Z27k G3 4K USB-C, 65W on Odyssey OLED G9 (G93SC).
Spec-level deep dives
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