TCL QM851G 75"
Mini-LED · 5000 nits peak · 144Hz
LG G4 OLED 55" · US model
MLA OLED · 55" · 2024
LG G4 OLED 55" · US model takes it — here’s why.
In our weighted Specdex score, TCL QM851G 75" lands at 92 and LG G4 OLED 55" · US model at 96. That puts LG G4 OLED 55" · US model ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.
Pick TCL QM851G 75" if…
- ✓Blinding 5000-nit peak
- ✓ZeroBorder design
- ✓Bang Olufsen tuned audio
Pick LG G4 OLED 55" · US model 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
LG G4 OLED 55" · US modelPanel, processing, and HDR performance
LG G4 OLED 55" · US model leads on picture (96 vs 93).
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
TCL QM851G 75"Specdex score per dollar at MSRP
TCL QM851G 75" more score per dollar ($2,499 vs $3,299).
Score breakdown
Specs side-by-side
| Spec | TCL QM851G 75" | LG G4 OLED 55" · US model |
|---|---|---|
| Panel | Mini-LED | MLA OLED |
| Size | 75″ | 55" |
| Refresh | ▲ 144Hz | 120Hz |
| HDR | Dolby Vision IQ + HDR10+ | — |
| Release year | — | 2024 |
TCL QM851G 75"
- +Blinding 5000-nit peak
- +ZeroBorder design
- +Bang Olufsen tuned audio
- −Google TV ads
- −Blooming in dark scenes
- −Local-dimming tuning varies
LG G4 OLED 55" · US model
- +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 75" vs LG G4 OLED 55" · US model
Which is better, TCL QM851G 75" or LG G4 OLED 55" · US model? +
LG G4 OLED 55" · US model scores 96 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.
Is TCL QM851G 75" worth the price? +
At $2,499, TCL QM851G 75" delivers a Specdex score of 92 — strongest in gaming.
Is LG G4 OLED 55" · US model worth the price? +
At $3,299, LG G4 OLED 55" · US model delivers a Specdex score of 96 — strongest in picture.
Does TCL QM851G 75" or LG G4 OLED 55" · US model 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 better for picture quality, TCL QM851G 75" or LG G4 OLED 55" · US model? +
LG G4 OLED 55" · US model — leads on picture (96 vs 93). Panel, processing, and HDR performance.
Which is the better value, TCL QM851G 75" or LG G4 OLED 55" · US model? +
TCL QM851G 75" — more score per dollar ($2,499 vs $3,299). Specdex score per dollar at MSRP.