Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Sony - Bravia 8 II OLED 65 | LG - G5 OLED evo 77 |
|---|---|---|
| Peak brightness | 2100 nits | 4000 nits |
| Refresh rate | 120 Hz | 165 Hz |
| Screen size | 65 " | 77 " |
| HDMI 2.1 ports | 2 | 4 |
| Panel type | QD-OLED | OLED |
| Smart OS | Google TV | webOS |
Between the Bravia 8 II OLED 65 and G5 OLED evo 77, the Bravia 8 II OLED 65 comes out ahead in panel type / smart os, while the G5 OLED evo 77 wins on peak brightness / refresh rate. Overall, the Bravia 8 II OLED 65 scores 72.9 and the G5 OLED evo 77 scores 82.8 on our Mars Score.
Which should you buy?
The G5 OLED evo 77 is the clear pick on raw spec strength, leading by 9.9 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 Bravia 8 II OLED 65 if you care most about panel type / smart os. The biggest gaps in its favor are panel type, smart os. The single most decisive one: Panel type: QD-OLED (vs OLED).
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. Its strongest claims are peak brightness, refresh rate, screen size, among others. The single most decisive one: Peak brightness — 90.48% more. 4000 nits vs 2100 nits.
Both ship with comparable dolby vision, vrr, so those specs do not 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.
Which should you buy: Sony - Bravia 8 II OLED 65 or LG - G5 OLED evo 77?
LG - G5 OLED evo 77 leads the current Mars Score by 9.9 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 8 II OLED 65 if…
Sony - Bravia 8 II OLED 65 has the measurable edge on panel type, smart os.
Choose LG - G5 OLED evo 77 if…
LG - G5 OLED evo 77 has the measurable edge on peak brightness nits, refresh rate hz, screen size in.
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 8 II OLED 65 wins
- ▲Panel type: QD-OLED (vs OLED).
- ▲Smart OS: Google TV (vs webOS).
Why LG - G5 OLED evo 77 wins
- ▲Peak brightness — 90.48% more. 4000 nits vs 2100 nits.
- ▲Refresh rate — 37.50% more. 165 Hz vs 120 Hz.
- ▲Screen size — 18.46% more. 77 " vs 65 ".
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
Spec comparison
Display
| Spec | Sony - Bravia 8 II OLED 65 | LG - G5 OLED evo 77 |
|---|---|---|
| Screen size | 65 " | 77 "lead |
| Panel typeⓘ | QD-OLEDlead | OLED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 120 Hz | 165 Hzlead |
| Peak brightnessⓘ | 2100 nits | 4000 nitslead |
HDR & Smart
| Spec | Sony - Bravia 8 II OLED 65 | LG - G5 OLED evo 77 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | false |
| Smart OS | Google TVlead | webOS |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Sony - Bravia 8 II OLED 65 | LG - G5 OLED evo 77 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, Bravia 8 II OLED 65 or G5 OLED evo 77?+
G5 OLED evo 77 peaks at 4000 nits vs 2100 nits.
Which is better for gaming, Bravia 8 II OLED 65 or G5 OLED evo 77?+
G5 OLED evo 77 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does Bravia 8 II OLED 65 or G5 OLED evo 77 support Dolby Vision?+
Both support Dolby Vision.