Between the C5 OLED 55 and S95F QD-OLED 77, the C5 OLED 55 comes out ahead in dolby vision and smart os, while the S95F QD-OLED 77 wins on peak brightness and screen size. Overall, the C5 OLED 55 scores 60.5 and the S95F QD-OLED 77 scores 81.3 on our Mars Score.
Which should you buy?
The S95F QD-OLED 77 is the clear pick on raw spec strength, leading by 20.8 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 dolby vision and smart os. The biggest gaps in its favor are dolby vision, smart os.
Pick the S95F QD-OLED 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, screen size, refresh rate, among others.
Both ship with comparable hdmi 2.1 ports, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the S95F QD-OLED 77 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
- ▲Has Dolby Vision.
- ▲Smart OS: webOS (vs Tizen).
Why Samsung - S95F QD-OLED 77 wins
- ▲Peak brightness — 192.31% more. 3800 nits vs 1300 nits.
- ▲Screen size — 40.00% more. 77 " vs 55 ".
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲Panel type: QD-OLED (vs OLED).
Spec comparison
Display
| Spec | LG - C5 OLED 55 | Samsung - S95F QD-OLED 77 |
|---|---|---|
| Screen sizeⓘ | 55 " | 77 "lead |
| Panel typeⓘ | OLED | QD-OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 165 Hzlead |
| Peak brightnessⓘ | 1300 nits | 3800 nitslead |
HDR & Smart
| Spec | LG - C5 OLED 55 | Samsung - S95F QD-OLED 77 |
|---|---|---|
| Dolby Visionⓘ | truelead | false |
| HDR10+ⓘ | false | truelead |
| Smart OS | webOSlead | Tizen |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - C5 OLED 55 | Samsung - S95F QD-OLED 77 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4 | 4 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, C5 OLED 55 or S95F QD-OLED 77?+
S95F QD-OLED 77 peaks at 3800 nits vs 1300 nits.
Which is better for gaming, C5 OLED 55 or S95F QD-OLED 77?+
S95F QD-OLED 77 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does C5 OLED 55 or S95F QD-OLED 77 support Dolby Vision?+
C5 OLED 55 supports Dolby Vision; S95F QD-OLED 77 does not.
Spec-level deep dives
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