Between the G5 OLED evo 77 and C855 Mini LED 65, the G5 OLED evo 77 comes out ahead in screen size and refresh rate, while the C855 Mini LED 65 wins on smart os. Overall, the G5 OLED evo 77 scores 82.3 and the C855 Mini LED 65 scores 74.5 on our Mars Score.
Which should you buy?
The G5 OLED evo 77 edges ahead on the Mars Score (82.3 vs 74.5), but the 7.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the G5 OLED evo 77 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, refresh rate, peak brightness, among others.
Pick the C855 Mini LED 65 if you care most about smart os. Its strongest claims are smart os.
Both ship with comparable dolby vision, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the G5 OLED evo 77 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why LG - G5 OLED evo 77 wins
- ▲Screen size — 18.46% more. 77 " vs 65 ".
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲Peak brightness — 14.29% more. 4000 nits vs 3500 nits.
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: OLED (vs Mini-LED).
Why TCL - C855 Mini LED 65 wins
- ▲Smart OS: Google TV (vs webOS).
Spec comparison
Display
| Spec | LG - G5 OLED evo 77 | TCL - C855 Mini LED 65 |
|---|---|---|
| Screen sizeⓘ | 77 "lead | 65 " |
| Panel typeⓘ | OLEDlead | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 165 Hzlead | 144 Hz |
| Peak brightnessⓘ | 4000 nitslead | 3500 nits |
HDR & Smart
| Spec | LG - G5 OLED evo 77 | TCL - C855 Mini LED 65 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | truelead |
| Smart OS | webOS | Google TVlead |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - G5 OLED evo 77 | TCL - C855 Mini LED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4lead | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, G5 OLED evo 77 or C855 Mini LED 65?+
G5 OLED evo 77 peaks at 4000 nits vs 3500 nits.
Which is better for gaming, G5 OLED evo 77 or C855 Mini LED 65?+
G5 OLED evo 77 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does G5 OLED evo 77 or C855 Mini LED 65 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.