Between the C5 OLED 55 and ULED X UX 85, the C5 OLED 55 comes out ahead in hdmi 2.1 ports and panel type, while the ULED X UX 85 wins on peak brightness and screen size. Overall, the C5 OLED 55 scores 60.5 and the ULED X UX 85 scores 84.4 on our Mars Score.
Which should you buy?
The ULED X UX 85 is the clear pick on raw spec strength, leading by 23.9 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 C5 OLED 55 if you care most about hdmi 2.1 ports and panel type. The biggest gaps in its favor are hdmi 2.1 ports, panel type.
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. Its strongest claims are peak brightness, screen size, refresh rate, among others.
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 LG - C5 OLED 55 wins
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: OLED (vs Mini-LED).
Why Hisense - ULED X UX 85 wins
- ▲Peak brightness — 284.62% more. 5000 nits vs 1300 nits.
- ▲Screen size — 54.55% more. 85 " vs 55 ".
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲Smart OS: Google TV (vs webOS).
Spec comparison
Display
| Spec | LG - C5 OLED 55 | Hisense - ULED X UX 85 |
|---|---|---|
| Screen sizeⓘ | 55 " | 85 "lead |
| Panel typeⓘ | OLEDlead | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 165 Hzlead |
| Peak brightnessⓘ | 1300 nits | 5000 nitslead |
HDR & Smart
| Spec | LG - C5 OLED 55 | Hisense - ULED X UX 85 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | truelead |
| Smart OS | webOS | Google TVlead |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - C5 OLED 55 | Hisense - ULED X UX 85 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4lead | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, C5 OLED 55 or ULED X UX 85?+
ULED X UX 85 peaks at 5000 nits vs 1300 nits.
Which is better for gaming, C5 OLED 55 or ULED X UX 85?+
ULED X UX 85 offers 165Hz refresh and 2 HDMI 2.1 ports.
Does C5 OLED 55 or ULED X UX 85 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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