ASUS - ROG Swift PG39WCDM vs Samsung - Odyssey OLED G9 (G93SC)
Between the ROG Swift PG39WCDM and Odyssey OLED G9 (G93SC), the ROG Swift PG39WCDM comes out ahead in usb-c power delivery and peak brightness, while the Odyssey OLED G9 (G93SC) wins on screen size. Overall, the ROG Swift PG39WCDM scores 79.8 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 9.2 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 ROG Swift PG39WCDM 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 usb-c power delivery, peak brightness, g-sync.
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 screen size.
Both ship with comparable refresh rate, response time (gtg), dci-p3 coverage, so those specs don't 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 ASUS - ROG Swift PG39WCDM wins
- ▲USB-C Power Delivery — 38.46% more. 90 W vs 65 W.
- ▲Peak brightness — 30.00% more. 1300 nits vs 1000 nits.
- ▲Has G-Sync.
Why Samsung - Odyssey OLED G9 (G93SC) wins
- ▲Screen size — 25.64% more. 49 " vs 39 ".
Spec comparison
Panel
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Screen sizeⓘ | 39 " | 49 "lead |
| Panel typeⓘ | QD-OLED | QD-OLED |
| Resolutionⓘ | 1440p | 5Klead |
| Aspect ratioⓘ | 21:9 | 32:9 |
| Curvedⓘ | true | true |
Performance
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Refresh rateⓘ | 240 Hz | 240 Hz |
| Response time (GtG)ⓘ | 0.03 ms | 0.03 ms |
| Peak brightnessⓘ | 1300 nitslead | 1000 nits |
| DCI-P3 coverageⓘ | 99 % | 99 % |
| HDRⓘ | true | true |
| G-Syncⓘ | truelead | false |
| FreeSyncⓘ | true | true |
Connectivity
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C input | true | true |
| USB-C Power Deliveryⓘ | 90 Wlead | 65 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, ROG Swift PG39WCDM or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) refreshes at 240Hz vs 240Hz.
Which has faster response time, ROG Swift PG39WCDM or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) responds in 0.03ms vs 0.03ms.
Does ROG Swift PG39WCDM or Odyssey OLED G9 (G93SC) have USB-C with power delivery?+
Both offer USB-C PD — 90W on ROG Swift PG39WCDM, 65W on Odyssey OLED G9 (G93SC).
Spec-level deep dives
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