ASUS - ROG Swift PG39WCDM vs Samsung - Odyssey OLED G6 (G60SD)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G6 (G60SD) |
|---|---|---|
| Refresh rate | 240 Hz | 360 Hz |
| Screen size | 39 " | 27 " |
| Peak brightness | 1300 nits | 1000 nits |
| G-Sync | true | false |
| USB-C Power Delivery | 90 W | 0 W |
Between the ROG Swift PG39WCDM and Odyssey OLED G6 (G60SD), the ROG Swift PG39WCDM comes out ahead in screen size / peak brightness, while the Odyssey OLED G6 (G60SD) wins on refresh rate. Overall, the ROG Swift PG39WCDM scores 78.3 and the Odyssey OLED G6 (G60SD) scores 76.9 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (78.3 vs 76.9). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
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 screen size, peak brightness, g-sync, among others. The single most decisive one: Screen size — 44.44% more. 39 " vs 27 ".
Pick the Odyssey OLED G6 (G60SD) if you care most about refresh rate. Its strongest claims are refresh rate. The single most decisive one: Refresh rate — 50.00% more. 360 Hz vs 240 Hz.
Both ship with comparable response time (gtg), dci-p3 coverage, panel type, 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: ASUS - ROG Swift PG39WCDM or Samsung - Odyssey OLED G6 (G60SD)?
ASUS - ROG Swift PG39WCDM leads the current Mars Score by 1.4 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 ASUS - ROG Swift PG39WCDM if…
ASUS - ROG Swift PG39WCDM has the measurable edge on screen size in, peak brightness nits, has g sync.
Choose Samsung - Odyssey OLED G6 (G60SD) if…
Samsung - Odyssey OLED G6 (G60SD) has the measurable edge on refresh rate hz.
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 ASUS - ROG Swift PG39WCDM wins
- ▲Screen size — 44.44% more. 39 " vs 27 ".
- ▲Peak brightness — 30.00% more. 1300 nits vs 1000 nits.
- ▲Has G-Sync.
- ▲USB-C Power Delivery: 90 W vs 0 W.
Why Samsung - Odyssey OLED G6 (G60SD) wins
- ▲Refresh rate — 50.00% more. 360 Hz vs 240 Hz.
Spec comparison
Panel
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G6 (G60SD) |
|---|---|---|
| Screen size | 39 "lead | 27 " |
| Panel typeⓘ | QD-OLED | QD-OLED |
| Resolutionⓘ | 1440p | 1440p |
| Aspect ratioⓘ | 21:9 | 16:9 |
| Curvedⓘ | truelead | false |
Performance
| Spec | ASUS - ROG Swift PG39WCDM | Samsung - Odyssey OLED G6 (G60SD) |
|---|---|---|
| Refresh rateⓘ | 240 Hz | 360 Hzlead |
| 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 G6 (G60SD) |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | truelead | false |
| USB-C Power Deliveryⓘ | 90 Wlead | 0 W |
| KVM | truelead | false |
Frequently asked
Which has higher refresh rate, ROG Swift PG39WCDM or Odyssey OLED G6 (G60SD)?+
Odyssey OLED G6 (G60SD) refreshes at 360Hz vs 240Hz.
Which has faster response time, ROG Swift PG39WCDM or Odyssey OLED G6 (G60SD)?+
Odyssey OLED G6 (G60SD) responds in 0.03ms vs 0.03ms.
Does ROG Swift PG39WCDM or Odyssey OLED G6 (G60SD) have USB-C with power delivery?+
ROG Swift PG39WCDM offers USB-C with 90W power delivery.