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Dell - UltraSharp U3825QW vs Samsung - Odyssey OLED G8 (G80SD)

Last updated · How Mars Score works
UltraSharp U3825QWDELLRENDER
Probe A
Dell
UltraSharp U3825QW
71.2/ 100B
Performance70· 45%
Panel72· 40%
Connectivity· 15%
Odyssey OLED G8 (G80SD)SAMSUNGRENDER
Probe B
Samsung
Odyssey OLED G8 (G80SD)
73.2/ 100B
Performance84· 45%
Panel61· 40%
Connectivity· 15%
Quick verdict

Between the UltraSharp U3825QW and Odyssey OLED G8 (G80SD), the UltraSharp U3825QW comes out ahead in screen size and usb-c power delivery, while the Odyssey OLED G8 (G80SD) wins on peak brightness and refresh rate. Overall, the UltraSharp U3825QW scores 71.2 and the Odyssey OLED G8 (G80SD) scores 73.2 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (71.2 vs 73.2). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the UltraSharp U3825QW 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, usb-c power delivery.

Pick the Odyssey OLED G8 (G80SD) 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.

Both ship with comparable dci-p3 coverage, g-sync, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.

Why Dell - UltraSharp U3825QW wins

  • Screen size — 17.19% more. 37.5 " vs 32 ".
  • USB-C Power Delivery: 140 W vs 0 W.

Why Samsung - Odyssey OLED G8 (G80SD) 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.
  • Has FreeSync.
  • Panel type: QD-OLED (vs IPS).
Full readout

Spec comparison

Panel

SpecDell - UltraSharp U3825QWSamsung - Odyssey OLED G8 (G80SD)
Screen size37.5 "lead32 "
Panel typeIPSQD-OLEDlead
Resolution4K4K
Aspect ratio21:916:9
Curvedtrueleadfalse

Performance

SpecDell - UltraSharp U3825QWSamsung - Odyssey OLED G8 (G80SD)
Refresh rate120 Hz240 Hzlead
Response time (GtG)5 ms0.03 mslead
Peak brightness450 nits1000 nitslead
DCI-P3 coverage99 %99 %
HDRtruetrue
G-Syncfalsefalse
FreeSyncfalsetruelead

Connectivity

SpecDell - UltraSharp U3825QWSamsung - Odyssey OLED G8 (G80SD)
HDMI ports2lead1
DisplayPort ports11
USB-C inputtrueleadfalse
USB-C Power Delivery140 Wlead0 W
KVMtrueleadfalse
Reader questions

Frequently asked

Which has higher refresh rate, UltraSharp U3825QW or Odyssey OLED G8 (G80SD)?+

Odyssey OLED G8 (G80SD) refreshes at 240Hz vs 120Hz.

Which has faster response time, UltraSharp U3825QW or Odyssey OLED G8 (G80SD)?+

Odyssey OLED G8 (G80SD) responds in 0.03ms vs 5ms.

Does UltraSharp U3825QW or Odyssey OLED G8 (G80SD) have USB-C with power delivery?+

UltraSharp U3825QW offers USB-C with 140W power delivery.

Drill down

Spec-level deep dives

By manufacturer

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