TCL QM851G 83"
Mini-LED · 83" · 2024
LG C3 OLED 55"
OLED evo · 55" · 2023
Dead heat — it comes down to priorities.
In our weighted Specdex score, TCL QM851G 83" lands at 92 and LG C3 OLED 55" at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick TCL QM851G 83" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
Pick LG C3 OLED 55" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
Winner by scenario
Derived from the sub-score breakdown · not a separate testPicture quality
TiePanel, processing, and HDR performance
Effectively tied — neither pulls a 2-point weighted lead.
Gaming
TieInput lag, VRR, 120 Hz support
Effectively tied — neither pulls a 2-point weighted lead.
Smart platform
TieOS speed, app support, ecosystem
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
LG C3 OLED 55"Specdex score per dollar at MSRP
LG C3 OLED 55" more score per dollar ($2,499 vs $4,373).
Score breakdown
Specs side-by-side
| Spec | TCL QM851G 83" | LG C3 OLED 55" |
|---|---|---|
| Panel | Mini-LED | OLED evo |
| Size | 83" | 55" |
| Refresh | 120Hz | 120Hz |
| Release year | 2024 | 2023 |
TCL QM851G 83"
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
LG C3 OLED 55"
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
FAQ: TCL QM851G 83" vs LG C3 OLED 55"
Which is better, TCL QM851G 83" or LG C3 OLED 55"? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is TCL QM851G 83" worth the price? +
At $4,373, TCL QM851G 83" delivers a Specdex score of 92 — strongest in picture.
Is LG C3 OLED 55" worth the price? +
At $2,499, LG C3 OLED 55" delivers a Specdex score of 92 — strongest in picture.
Does TCL QM851G 83" or LG C3 OLED 55" 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.
Which is the better value, TCL QM851G 83" or LG C3 OLED 55"? +
LG C3 OLED 55" — more score per dollar ($2,499 vs $4,373). Specdex score per dollar at MSRP.