LG
LG C3 OLED 55"
OLED evo · 55" · 2023
92
/ 100
From $2,499
VS
TCL
TCL QM851G 75"
Mini-LED · 5000 nits peak · 144Hz
92
/ 100
From $2,499
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, LG C3 OLED 55" lands at 92 and TCL QM851G 75" at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick LG C3 OLED 55" if…
- ✓Strong HDR performance
- ✓Current smart platform
- ✓HDMI 2.1 on most HDMI ports
Pick TCL QM851G 75" if…
- ✓Blinding 5000-nit peak
- ✓ZeroBorder design
- ✓Bang Olufsen tuned audio
LG C3 OLED 55" 92
vs 92 TCL QM851G 75"
Score breakdown
LG C3 OLED 55"
92 picture 92
motion 90
gaming 88
smart 82
sound 78
TCL QM851G 75"
92 picture 93
motion 90
gaming 94
smart 82
sound 86
Specs side-by-side
| Spec | LG C3 OLED 55" | TCL QM851G 75" |
|---|---|---|
| Panel | OLED evo | Mini-LED |
| Size | 55" | 75″ |
| Refresh | 120Hz | ▲ 144Hz |
| Release year | 2023 | — |
| HDR | — | Dolby Vision IQ + HDR10+ |
LG C3 OLED 55"
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
TCL QM851G 75"
Pros
- +Blinding 5000-nit peak
- +ZeroBorder design
- +Bang Olufsen tuned audio
Cons
- −Google TV ads
- −Blooming in dark scenes
- −Local-dimming tuning varies
FAQ: LG C3 OLED 55" vs TCL QM851G 75"
Which is better, LG C3 OLED 55" or TCL QM851G 75"? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is LG C3 OLED 55" worth the price? +
At $2,499, LG C3 OLED 55" delivers a Specdex score of 92 — strongest in picture.
Is TCL QM851G 75" worth the price? +
At $2,499, TCL QM851G 75" delivers a Specdex score of 92 — strongest in gaming.
Does LG C3 OLED 55" or TCL QM851G 75" 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.