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LG - UltraGear 45GX950A-B vs Samsung - Odyssey OLED G8 (G80SD)

Last updated · How Mars Score works
UltraGear 45GX950A-BLGRENDER
Probe A
LG
UltraGear 45GX950A-B
83.8/ 100A
Performance81· 45%
Panel87· 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 UltraGear 45GX950A-B and Odyssey OLED G8 (G80SD), the UltraGear 45GX950A-B comes out ahead in screen size and peak brightness, while the Odyssey OLED G8 (G80SD) wins on refresh rate and dci-p3 coverage. Overall, the UltraGear 45GX950A-B scores 83.8 and the Odyssey OLED G8 (G80SD) scores 73.2 on our Mars Score.

Buying advice

Which should you buy?

The UltraGear 45GX950A-B is the clear pick on raw spec strength, leading by 10.6 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 UltraGear 45GX950A-B 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.

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 refresh rate, dci-p3 coverage, panel type.

Both ship with comparable response time (gtg), freesync, so those specs don't separate the two — focus on the differences below.

Bottom line: the UltraGear 45GX950A-B is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why LG - UltraGear 45GX950A-B wins

  • Screen size — 40.63% more. 45 " vs 32 ".
  • 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 G8 (G80SD) wins

  • Refresh rate — 45.45% more. 240 Hz vs 165 Hz.
  • DCI-P3 coverage — 0.51% more. 99 % vs 98.5 %.
  • Panel type: QD-OLED (vs OLED).
Full readout

Spec comparison

Panel

SpecLG - UltraGear 45GX950A-BSamsung - Odyssey OLED G8 (G80SD)
Screen size45 "lead32 "
Panel typeOLEDQD-OLEDlead
Resolution5Klead4K
Aspect ratio21:916:9
Curvedtrueleadfalse

Performance

SpecLG - UltraGear 45GX950A-BSamsung - Odyssey OLED G8 (G80SD)
Refresh rate165 Hz240 Hzlead
Response time (GtG)0.03 ms0.03 ms
Peak brightness1300 nitslead1000 nits
DCI-P3 coverage98.5 %99 %lead
HDRtruetrue
G-Synctrueleadfalse
FreeSynctruetrue

Connectivity

SpecLG - UltraGear 45GX950A-BSamsung - Odyssey OLED G8 (G80SD)
HDMI ports2lead1
DisplayPort ports11
USB-C inputtrueleadfalse
USB-C Power Delivery90 Wlead0 W
KVMtrueleadfalse
Reader questions

Frequently asked

Which has higher refresh rate, UltraGear 45GX950A-B or Odyssey OLED G8 (G80SD)?+

Odyssey OLED G8 (G80SD) refreshes at 240Hz vs 165Hz.

Which has faster response time, UltraGear 45GX950A-B or Odyssey OLED G8 (G80SD)?+

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

Does UltraGear 45GX950A-B or Odyssey OLED G8 (G80SD) have USB-C with power delivery?+

UltraGear 45GX950A-B offers USB-C with 90W power delivery.

Drill down

Spec-level deep dives

By manufacturer

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