Between the B5 OLED 65 and QM6K 65, the B5 OLED 65 comes out ahead in hdmi 2.1 ports and panel type, while the QM6K 65 wins on peak brightness and refresh rate. Overall, the B5 OLED 65 scores 57.9 and the QM6K 65 scores 66 on our Mars Score.
Which should you buy?
The QM6K 65 is the clear pick on raw spec strength, leading by 8.1 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 B5 OLED 65 if you care most about hdmi 2.1 ports and panel type. The biggest gaps in its favor are hdmi 2.1 ports, panel type.
Pick the QM6K 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, refresh rate, smart os.
Both ship with comparable screen size, dolby vision, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the QM6K 65 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why LG - B5 OLED 65 wins
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: OLED (vs Mini-LED).
Why TCL - QM6K 65 wins
- ▲Peak brightness — 140.00% more. 1800 nits vs 750 nits.
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲Smart OS: Google TV (vs webOS).
Spec comparison
Display
| Spec | LG - B5 OLED 65 | TCL - QM6K 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | OLEDlead | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 120 Hz | 144 Hzlead |
| Peak brightnessⓘ | 750 nits | 1800 nitslead |
HDR & Smart
| Spec | LG - B5 OLED 65 | TCL - QM6K 65 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | false | truelead |
| Smart OS | webOS | Google TVlead |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | LG - B5 OLED 65 | TCL - QM6K 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4lead | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, B5 OLED 65 or QM6K 65?+
QM6K 65 peaks at 1800 nits vs 750 nits.
Which is better for gaming, B5 OLED 65 or QM6K 65?+
QM6K 65 offers 144Hz refresh and 2 HDMI 2.1 ports.
Does B5 OLED 65 or QM6K 65 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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