LG C3 OLED 77"
OLED evo · 77" · 2023
TCL QM851G 77"
Mini-LED · 77" · 2024
Dead heat — it comes down to priorities.
In our weighted Specdex score, LG C3 OLED 77" lands at 92 and TCL QM851G 77" at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick LG C3 OLED 77" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
Pick TCL QM851G 77" 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
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | LG C3 OLED 77" | TCL QM851G 77" |
|---|---|---|
| Panel | OLED evo | Mini-LED |
| Size | 77" | 77" |
| Refresh | 120Hz | 120Hz |
| Release year | 2023 | 2024 |
LG C3 OLED 77"
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
TCL QM851G 77"
- +Strong HDR performance
- +Current smart platform
- +HDMI 2.1 on most HDMI ports
- −Ads on smart platform
- −Sound trails dedicated audio
- −Large footprint
FAQ: LG C3 OLED 77" vs TCL QM851G 77"
Which is better, LG C3 OLED 77" or TCL QM851G 77"? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is LG C3 OLED 77" worth the price? +
At $3,749, LG C3 OLED 77" delivers a Specdex score of 92 — strongest in picture.
Is TCL QM851G 77" worth the price? +
At $3,749, TCL QM851G 77" delivers a Specdex score of 92 — strongest in picture.
Does LG C3 OLED 77" or TCL QM851G 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.