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Specdex
TCL

TCL QM851G 75"

Mini-LED · 5000 nits peak · 144Hz

92
/ 100
From $2,499
VS
LG G4 OLED 65" wins by 4
LG

LG G4 OLED 65"

MLA OLED · 144Hz · α11 processor

96
/ 100
From $3,299
Specdex verdict

LG G4 OLED 65" takes it — here’s why.

In our weighted Specdex score, TCL QM851G 75" lands at 92 and LG G4 OLED 65" at 96. That puts LG G4 OLED 65" 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 65" if…

  • Peak brightness 3000+ nits (MLA)
  • 4× HDMI 2.1
  • Dolby Vision + Atmos

Score breakdown

TCL QM851G 75"
92
picture 93
motion 90
gaming 94
smart 82
sound 86
LG G4 OLED 65"
96
picture 98
motion 96
gaming 96
smart 84
sound 80

Specs side-by-side

Spec
TCL QM851G 75"
LG G4 OLED 65"
Panel
Mini-LED
MLA OLED
Size
75″
65″
Refresh
144Hz
144Hz
HDR
Dolby Vision IQ + HDR10+
Dolby Vision, HDR10
HDMI
4× HDMI 2.1

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

LG G4 OLED 65"

Pros
  • +Peak brightness 3000+ nits (MLA)
  • +4× HDMI 2.1
  • +Dolby Vision + Atmos
Cons
  • No HDR10+
  • Gallery mount pricey
  • webOS ads

FAQ: TCL QM851G 75" vs LG G4 OLED 65"

Which is better, TCL QM851G 75" or LG G4 OLED 65"? +

LG G4 OLED 65" 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 65" worth the price? +

At $3,299, LG G4 OLED 65" delivers a Specdex score of 96 — strongest in picture.

Does TCL QM851G 75" or LG G4 OLED 65" 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.