Between the C5 OLED 55 and G5 OLED evo 65, the C5 OLED 55 comes out ahead in several specs, while the G5 OLED evo 65 wins on peak brightness and screen size. Overall, the C5 OLED 55 scores 60.5 and the G5 OLED evo 65 scores 79 on our Mars Score.
Which should you buy?
The G5 OLED evo 65 is the clear pick on raw spec strength, leading by 18.5 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.
The C5 OLED 55 doesn't pull ahead on any single popular-comparison spec — its strengths sit in the spec table groups rather than the headline advantages.
Pick the G5 OLED evo 65 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, screen size, refresh rate.
Both ship with comparable panel type, dolby vision, hdmi 2.1 ports, so those specs don't separate the two — focus on the differences below.
Bottom line: the G5 OLED evo 65 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why LG - C5 OLED 55 wins
- No decisive advantages.
Why LG - G5 OLED evo 65 wins
- ▲Peak brightness — 207.69% more. 4000 nits vs 1300 nits.
- ▲Screen size — 18.18% more. 65 " vs 55 ".
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
Spec comparison
Display
| Spec | LG - C5 OLED 55 | LG - G5 OLED evo 65 |
|---|---|---|
| Screen sizeⓘ | 55 " | 65 "lead |
| Panel typeⓘ | OLED | OLED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 165 Hzlead |
| Peak brightnessⓘ | 1300 nits | 4000 nitslead |
HDR & Smart
| Spec | LG - C5 OLED 55 | LG - G5 OLED evo 65 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | false |
| Smart OS | webOS | webOS |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - C5 OLED 55 | LG - G5 OLED evo 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4 | 4 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, C5 OLED 55 or G5 OLED evo 65?+
G5 OLED evo 65 peaks at 4000 nits vs 1300 nits.
Which is better for gaming, C5 OLED 55 or G5 OLED evo 65?+
G5 OLED evo 65 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does C5 OLED 55 or G5 OLED evo 65 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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