Between the C5 OLED 55 and QN90F Neo QLED 65, the C5 OLED 55 comes out ahead in dolby vision and panel type, while the QN90F Neo QLED 65 wins on peak brightness and screen size. Overall, the C5 OLED 55 scores 60.5 and the QN90F Neo QLED 65 scores 69 on our Mars Score.
Which should you buy?
The QN90F Neo QLED 65 is the clear pick on raw spec strength, leading by 8.5 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 panel type. The biggest gaps in its favor are dolby vision, panel type, smart os.
Pick the QN90F Neo QLED 65 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.
Both ship with comparable refresh rate, hdmi 2.1 ports, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the QN90F Neo QLED 65 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.
- ▲Panel type: OLED (vs Mini-LED).
- ▲Smart OS: webOS (vs Tizen).
Why Samsung - QN90F Neo QLED 65 wins
- ▲Peak brightness — 84.62% more. 2400 nits vs 1300 nits.
- ▲Screen size — 18.18% more. 65 " vs 55 ".
Spec comparison
Display
| Spec | LG - C5 OLED 55 | Samsung - QN90F Neo QLED 65 |
|---|---|---|
| Screen sizeⓘ | 55 " | 65 "lead |
| Panel typeⓘ | OLEDlead | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 144 Hz |
| Peak brightnessⓘ | 1300 nits | 2400 nitslead |
HDR & Smart
| Spec | LG - C5 OLED 55 | Samsung - QN90F Neo QLED 65 |
|---|---|---|
| Dolby Visionⓘ | truelead | false |
| HDR10+ⓘ | false | truelead |
| Smart OS | webOSlead | Tizen |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - C5 OLED 55 | Samsung - QN90F Neo QLED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4 | 4 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, C5 OLED 55 or QN90F Neo QLED 65?+
QN90F Neo QLED 65 peaks at 2400 nits vs 1300 nits.
Which is better for gaming, C5 OLED 55 or QN90F Neo QLED 65?+
C5 OLED 55 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does C5 OLED 55 or QN90F Neo QLED 65 support Dolby Vision?+
C5 OLED 55 supports Dolby Vision; QN90F Neo QLED 65 does not.
Spec-level deep dives
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