Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Hisense - U8Q Pro Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Peak brightness | 3000 nits | 1300 nits |
| Screen size | 65 " | 77 " |
| Refresh rate | 165 Hz | 144 Hz |
| HDMI 2.1 ports | 2 | 4 |
| Smart OS | Google TV | webOS |
| Panel type | Mini-LED | OLED |
Between the U8Q Pro Mini LED 65 and C5 OLED 77, the U8Q Pro Mini LED 65 comes out ahead in peak brightness / refresh rate, while the C5 OLED 77 wins on screen size / hdmi 2.1 ports. Overall, the U8Q Pro Mini LED 65 scores 74.1 and the C5 OLED 77 scores 71.5 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (74.1 vs 71.5). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the U8Q Pro Mini LED 65 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, smart os. The single most decisive one: Peak brightness — 130.77% more. 3000 nits vs 1300 nits.
Pick the C5 OLED 77 if you care most about screen size / hdmi 2.1 ports. Its strongest claims are screen size, hdmi 2.1 ports, panel type. The single most decisive one: Screen size — 18.46% more. 77 " vs 65 ".
Both ship with comparable dolby vision, vrr, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Hisense - U8Q Pro Mini LED 65 or LG - C5 OLED 77?
Hisense - U8Q Pro Mini LED 65 leads the current Mars Score by 2.6 points.The more useful decision is the trade-off behind that result: compare screen size, panel type, refresh rate, hdmi 2.1 ports against the way you will actually use the product.
Choose Hisense - U8Q Pro Mini LED 65 if…
Hisense - U8Q Pro Mini LED 65 has the measurable edge on peak brightness nits, refresh rate hz, smart os.
Choose LG - C5 OLED 77 if…
LG - C5 OLED 77 has the measurable edge on screen size in, hdmi 2 1 count, panel type.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Hisense - U8Q Pro Mini LED 65 wins
- ▲Peak brightness — 130.77% more. 3000 nits vs 1300 nits.
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲Smart OS: Google TV (vs webOS).
Why LG - C5 OLED 77 wins
- ▲Screen size — 18.46% more. 77 " vs 65 ".
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: OLED (vs Mini-LED).
Spec comparison
Display
| Spec | Hisense - U8Q Pro Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Screen size | 65 " | 77 "lead |
| Panel typeⓘ | Mini-LED | OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 165 Hzlead | 144 Hz |
| Peak brightnessⓘ | 3000 nitslead | 1300 nits |
HDR & Smart
| Spec | Hisense - U8Q Pro Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | truelead | false |
| Smart OS | Google TVlead | webOS |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Hisense - U8Q Pro Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, U8Q Pro Mini LED 65 or C5 OLED 77?+
U8Q Pro Mini LED 65 peaks at 3000 nits vs 1300 nits.
Which is better for gaming, U8Q Pro Mini LED 65 or C5 OLED 77?+
U8Q Pro Mini LED 65 offers 165Hz refresh and 2 HDMI 2.1 ports.
Does U8Q Pro Mini LED 65 or C5 OLED 77 support Dolby Vision?+
Both support Dolby Vision.