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Samsung - Odyssey OLED G9 (G93SC) vs ASUS - ROG Swift PG34WCDM

Last updated · How Mars Score works
Odyssey OLED G9 (G93SC)SAMSUNGRENDER
Probe A
Samsung
Odyssey OLED G9 (G93SC)
89.0/ 100S
Performance84· 45%
Panel95· 40%
Connectivity· 15%
ROG Swift PG34WCDMASUSRENDER
Probe B
ASUS
ROG Swift PG34WCDM
75.1/ 100B
Performance84· 45%
Panel65· 40%
Connectivity· 15%
Quick verdict

Between the Odyssey OLED G9 (G93SC) and ROG Swift PG34WCDM, the Odyssey OLED G9 (G93SC) comes out ahead in screen size, while the ROG Swift PG34WCDM wins on usb-c power delivery and peak brightness. Overall, the Odyssey OLED G9 (G93SC) scores 89 and the ROG Swift PG34WCDM scores 75.1 on our Mars Score.

Buying advice

Which should you buy?

The Odyssey OLED G9 (G93SC) is the clear pick on raw spec strength, leading by 13.9 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 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. 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 usb-c power delivery, peak brightness, g-sync.

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 Samsung - Odyssey OLED G9 (G93SC) wins

  • Screen size — 44.12% more. 49 " vs 34 ".

Why ASUS - ROG Swift PG34WCDM 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.
Full readout

Spec comparison

Panel

SpecSamsung - Odyssey OLED G9 (G93SC)ASUS - ROG Swift PG34WCDM
Screen size49 "lead34 "
Panel typeQD-OLEDQD-OLED
Resolution5Klead1440p
Aspect ratio32:921:9
Curvedtruetrue

Performance

SpecSamsung - Odyssey OLED G9 (G93SC)ASUS - ROG Swift PG34WCDM
Refresh rate240 Hz240 Hz
Response time (GtG)0.03 ms0.03 ms
Peak brightness1000 nits1300 nitslead
DCI-P3 coverage99 %99 %
HDRtruetrue
G-Syncfalsetruelead
FreeSynctruetrue

Connectivity

SpecSamsung - Odyssey OLED G9 (G93SC)ASUS - ROG Swift PG34WCDM
HDMI ports12lead
DisplayPort ports11
USB-C inputtruetrue
USB-C Power Delivery65 W90 Wlead
KVMtruetrue
Reader questions

Frequently asked

Which has higher refresh rate, Odyssey OLED G9 (G93SC) or ROG Swift PG34WCDM?+

ROG Swift PG34WCDM refreshes at 240Hz vs 240Hz.

Which has faster response time, Odyssey OLED G9 (G93SC) or ROG Swift PG34WCDM?+

ROG Swift PG34WCDM responds in 0.03ms vs 0.03ms.

Does Odyssey OLED G9 (G93SC) or ROG Swift PG34WCDM have USB-C with power delivery?+

Both offer USB-C PD — 65W on Odyssey OLED G9 (G93SC), 90W on ROG Swift PG34WCDM.

Drill down

Spec-level deep dives

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