TCL
TCL QM851G 77"
Mini-LED · 77" · 2024
92
/ 100
From $3,749
VS
LG
LG C3 OLED 77"
OLED evo · 77" · 2023
92
/ 100
From $3,749
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, TCL QM851G 77" lands at 92 and LG C3 OLED 77" at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick TCL QM851G 77" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
Pick LG C3 OLED 77" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
TCL QM851G 77" 92
vs 92 LG C3 OLED 77"
Score breakdown
TCL QM851G 77"
92 picture 92
motion 90
gaming 88
smart 82
sound 78
LG C3 OLED 77"
92 picture 92
motion 90
gaming 88
smart 82
sound 78
Specs side-by-side
| Spec | TCL QM851G 77" | LG C3 OLED 77" |
|---|---|---|
| Panel | Mini-LED | OLED evo |
| Size | 77" | 77" |
| Refresh | 120Hz | 120Hz |
| Release year | 2024 | 2023 |
TCL QM851G 77"
Pros
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
Cons
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
LG C3 OLED 77"
Pros
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
Cons
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
FAQ: TCL QM851G 77" vs LG C3 OLED 77"
Which is better, TCL QM851G 77" or LG C3 OLED 77"? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is TCL QM851G 77" worth the price? +
At $3,749, TCL QM851G 77" delivers a Specdex score of 92 — strongest in picture.
Is LG C3 OLED 77" worth the price? +
At $3,749, LG C3 OLED 77" delivers a Specdex score of 92 — strongest in picture.
Does TCL QM851G 77" or LG C3 OLED 77" last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.