Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sony - Bravia 9 Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Peak brightness | 2700 nits | 1300 nits |
| Refresh rate | 120 Hz | 144 Hz |
| Screen size | 65 " | 77 " |
| HDMI 2.1 ports | 2 | 4 |
| Smart OS | Google TV | webOS |
| Panel type | Mini-LED | OLED |
Between the Bravia 9 Mini LED 65 and C5 OLED 77, the Bravia 9 Mini LED 65 comes out ahead in peak brightness / smart os, while the C5 OLED 77 wins on refresh rate / screen size. Overall, the Bravia 9 Mini LED 65 scores 69.5 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 (69.5 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 Bravia 9 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, smart os. The single most decisive one: Peak brightness — 107.69% more. 2700 nits vs 1300 nits.
Pick the C5 OLED 77 if you care most about refresh rate / screen size. Its strongest claims are refresh rate, screen size, hdmi 2.1 ports, among others. The single most decisive one: Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
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: Sony - Bravia 9 Mini LED 65 or LG - C5 OLED 77?
LG - C5 OLED 77 leads the current Mars Score by 2.0 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 Sony - Bravia 9 Mini LED 65 if…
Sony - Bravia 9 Mini LED 65 has the measurable edge on peak brightness nits, smart os.
Choose LG - C5 OLED 77 if…
LG - C5 OLED 77 has the measurable edge on refresh rate hz, screen size in, hdmi 2 1 count.
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 Sony - Bravia 9 Mini LED 65 wins
- ▲Peak brightness — 107.69% more. 2700 nits vs 1300 nits.
- ▲Smart OS: Google TV (vs webOS).
Why LG - C5 OLED 77 wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲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 | Sony - Bravia 9 Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Screen size | 65 " | 77 "lead |
| Panel typeⓘ | Mini-LED | OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 120 Hz | 144 Hzlead |
| Peak brightnessⓘ | 2700 nitslead | 1300 nits |
HDR & Smart
| Spec | Sony - Bravia 9 Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | false |
| Smart OS | Google TVlead | webOS |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Sony - Bravia 9 Mini LED 65 | LG - C5 OLED 77 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, Bravia 9 Mini LED 65 or C5 OLED 77?+
Bravia 9 Mini LED 65 peaks at 2700 nits vs 1300 nits.
Which is better for gaming, Bravia 9 Mini LED 65 or C5 OLED 77?+
C5 OLED 77 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does Bravia 9 Mini LED 65 or C5 OLED 77 support Dolby Vision?+
Both support Dolby Vision.