Between the ULED X UX 85 and C5 OLED 77, the ULED X UX 85 comes out ahead in peak brightness and refresh rate, while the C5 OLED 77 wins on hdmi 2.1 ports and panel type. Overall, the ULED X UX 85 scores 84.4 and the C5 OLED 77 scores 66.9 on our Mars Score.
Which should you buy?
The ULED X UX 85 is the clear pick on raw spec strength, leading by 17.5 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.
Pick the ULED X UX 85 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 peak brightness, refresh rate, screen size, among others.
Pick the C5 OLED 77 if you care most about hdmi 2.1 ports and panel type. Its strongest claims are hdmi 2.1 ports, panel type.
Both ship with comparable dolby vision, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the ULED X UX 85 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Hisense - ULED X UX 85 wins
- ▲Peak brightness — 284.62% more. 5000 nits vs 1300 nits.
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲Screen size — 10.39% more. 85 " vs 77 ".
- ▲Smart OS: Google TV (vs webOS).
Why LG - C5 OLED 77 wins
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: OLED (vs Mini-LED).
Spec comparison
Display
| Spec | Hisense - ULED X UX 85 | LG - C5 OLED 77 |
|---|---|---|
| Screen sizeⓘ | 85 "lead | 77 " |
| Panel typeⓘ | Mini-LED | OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 165 Hzlead | 144 Hz |
| Peak brightnessⓘ | 5000 nitslead | 1300 nits |
HDR & Smart
| Spec | Hisense - ULED X UX 85 | LG - C5 OLED 77 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | truelead | false |
| Smart OS | Google TVlead | webOS |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Hisense - ULED X UX 85 | LG - C5 OLED 77 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, ULED X UX 85 or C5 OLED 77?+
ULED X UX 85 peaks at 5000 nits vs 1300 nits.
Which is better for gaming, ULED X UX 85 or C5 OLED 77?+
ULED X UX 85 offers 165Hz refresh and 2 HDMI 2.1 ports.
Does ULED X UX 85 or C5 OLED 77 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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