Dell - UltraSharp U3825QW vs Samsung - Odyssey OLED G9 (G93SC)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Dell - UltraSharp U3825QW | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Peak brightness | 450 nits | 1000 nits |
| USB-C Power Delivery | 140 W | 65 W |
| Refresh rate | 120 Hz | 240 Hz |
| Response time (GtG) | 5 ms | 0.03 ms |
| Screen size | 37.5 " | 49 " |
| FreeSync | false | true |
Between the UltraSharp U3825QW and Odyssey OLED G9 (G93SC), the UltraSharp U3825QW comes out ahead in usb-c power delivery, while the Odyssey OLED G9 (G93SC) wins on peak brightness / refresh rate. Overall, the UltraSharp U3825QW scores 68.4 and the Odyssey OLED G9 (G93SC) scores 85.6 on our Mars Score.
Which should you buy?
The Odyssey OLED G9 (G93SC) is the clear pick on raw spec strength, leading by 17.2 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 UltraSharp U3825QW if you care most about usb-c power delivery. The biggest gaps in its favor are usb-c power delivery. The single most decisive one: USB-C Power Delivery — 115.38% more. 140 W vs 65 W.
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 peak brightness, refresh rate, response time (gtg), among others. The single most decisive one: Peak brightness — 122.22% more. 1000 nits vs 450 nits.
Both ship with comparable dci-p3 coverage, 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.
Which should you buy: Dell - UltraSharp U3825QW or Samsung - Odyssey OLED G9 (G93SC)?
Samsung - Odyssey OLED G9 (G93SC) leads the current Mars Score by 17.2 points.The more useful decision is the trade-off behind that result: compare screen size, refresh rate, panel type against the way you will actually use the product.
Choose Dell - UltraSharp U3825QW if…
Dell - UltraSharp U3825QW has the measurable edge on has usb c pd w.
Choose Samsung - Odyssey OLED G9 (G93SC) if…
Samsung - Odyssey OLED G9 (G93SC) has the measurable edge on peak brightness nits, refresh rate hz, response time ms.
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 Dell - UltraSharp U3825QW wins
- ▲USB-C Power Delivery — 115.38% more. 140 W vs 65 W.
Why Samsung - Odyssey OLED G9 (G93SC) wins
- ▲Peak brightness — 122.22% more. 1000 nits vs 450 nits.
- ▲Refresh rate — 100.00% more. 240 Hz vs 120 Hz.
- ▲Response time (GtG) — 99.40% less. 0.03 ms vs 5 ms.
- ▲Screen size — 30.67% more. 49 " vs 37.5 ".
- ▲Has FreeSync.
- ▲Panel type: QD-OLED (vs IPS).
Spec comparison
Panel
| Spec | Dell - UltraSharp U3825QW | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Screen size | 37.5 " | 49 "lead |
| Panel typeⓘ | IPS | QD-OLEDlead |
| Resolutionⓘ | 4K | 5Klead |
| Aspect ratioⓘ | 21:9 | 32:9 |
| Curvedⓘ | true | true |
Performance
| Spec | Dell - UltraSharp U3825QW | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| Refresh rateⓘ | 120 Hz | 240 Hzlead |
| Response time (GtG)ⓘ | 5 ms | 0.03 mslead |
| Peak brightnessⓘ | 450 nits | 1000 nitslead |
| DCI-P3 coverageⓘ | 99 % | 99 % |
| HDRⓘ | true | true |
| G-Syncⓘ | false | false |
| FreeSyncⓘ | false | truelead |
Connectivity
| Spec | Dell - UltraSharp U3825QW | Samsung - Odyssey OLED G9 (G93SC) |
|---|---|---|
| HDMI ports | 2lead | 1 |
| DisplayPort ports | 1 | 1 |
| USB-C inputⓘ | true | true |
| USB-C Power Deliveryⓘ | 140 Wlead | 65 W |
| KVM | true | true |
Frequently asked
Which has higher refresh rate, UltraSharp U3825QW or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) refreshes at 240Hz vs 120Hz.
Which has faster response time, UltraSharp U3825QW or Odyssey OLED G9 (G93SC)?+
Odyssey OLED G9 (G93SC) responds in 0.03ms vs 5ms.
Does UltraSharp U3825QW or Odyssey OLED G9 (G93SC) have USB-C with power delivery?+
Both offer USB-C PD — 140W on UltraSharp U3825QW, 65W on Odyssey OLED G9 (G93SC).