LG
LG C4 OLED 65"
OLED evo · α9 Gen 7 · 144Hz
93
/ 100
From $2,499
VS
LG C4 OLED 65" wins by 1
TCL
TCL QM851G 75"
Mini-LED · 5000 nits peak · 144Hz
92
/ 100
From $2,499
Specdex verdict
LG C4 OLED 65" takes it — here’s why.
In our weighted Specdex score, LG C4 OLED 65" lands at 93 and TCL QM851G 75" at 92. That puts LG C4 OLED 65" ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick LG C4 OLED 65" if…
- ✓Gold-standard midrange OLED
- ✓4× HDMI 2.1 @ 144Hz
- ✓Dolby Vision gaming
Pick TCL QM851G 75" if…
- ✓Blinding 5000-nit peak
- ✓ZeroBorder design
- ✓Bang Olufsen tuned audio
Score breakdown
LG C4 OLED 65"
93 picture 94
motion 96
gaming 96
smart 84
sound 78
TCL QM851G 75"
92 picture 93
motion 90
gaming 94
smart 82
sound 86
Specs side-by-side
Spec
LG C4 OLED 65"
TCL QM851G 75"
Panel
OLED evo
Mini-LED
Size
65″
75″
Refresh
144Hz
144Hz
HDR
Dolby Vision, HDR10
Dolby Vision IQ + HDR10+
HDMI
4× HDMI 2.1
—
LG C4 OLED 65"
Pros
- +Gold-standard midrange OLED
- +4× HDMI 2.1 @ 144Hz
- +Dolby Vision gaming
Cons
- −Less bright than G4/S95D
- −No HDR10+
- −webOS ads
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 C4 OLED 65" vs TCL QM851G 75"
Which is better, LG C4 OLED 65" or TCL QM851G 75"? +
LG C4 OLED 65" scores 93 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is LG C4 OLED 65" worth the price? +
At $2,499, LG C4 OLED 65" delivers a Specdex score of 93 — strongest in motion.
Is TCL QM851G 75" worth the price? +
At $2,499, TCL QM851G 75" delivers a Specdex score of 92 — strongest in gaming.
Does LG C4 OLED 65" 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.