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LG G4 OLED 55" — MLA OLED · 55" · 2024
LG

LG G4 OLED 55"

MLA OLED · 55" · 2024

96
/ 100
From $3,299
VS
LG G4 OLED 55" wins by 4
TCL QM851G 75" — Mini-LED · 5000 nits peak · 144Hz
TCL

TCL QM851G 75"

Mini-LED · 5000 nits peak · 144Hz

92
/ 100
From $2,499
Specdex verdict

LG G4 OLED 55" takes it — here’s why.

In our weighted Specdex score, LG G4 OLED 55" lands at 96 and TCL QM851G 75" at 92. That puts LG G4 OLED 55" ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick LG G4 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
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Picture quality

LG G4 OLED 55"

Panel, processing, and HDR performance

LG G4 OLED 55" leads on picture (96 vs 93).

Gaming

Tie

Input lag, VRR, 120 Hz support

Effectively tied — neither pulls a 2-point weighted lead.

Smart platform

Tie

OS 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).

LG G4 OLED 55" 96
vs
92 TCL QM851G 75"

Score breakdown

LG G4 OLED 55"
96
picture 96
motion 94
gaming 92
smart 82
sound 78
TCL QM851G 75"
92
picture 93
motion 90
gaming 94
smart 82
sound 86

Specs side-by-side

LG G4 OLED 55" versus TCL QM851G 75" — full spec comparison
Spec LG G4 OLED 55" TCL QM851G 75"
Panel
MLA OLED
Mini-LED
Size
55"
75″
Refresh
120Hz
▲ 144Hz
Release year
2024
—
HDR
—
Dolby Vision IQ + HDR10+

LG G4 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 G4 OLED 55" vs TCL QM851G 75"

Which is better, LG G4 OLED 55" or TCL QM851G 75"? +

LG G4 OLED 55" scores 96 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is LG G4 OLED 55" worth the price? +

At $3,299, LG G4 OLED 55" delivers a Specdex score of 96 — 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 G4 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.

Which is better for picture quality, LG G4 OLED 55" or TCL QM851G 75"? +

LG G4 OLED 55" — leads on picture (96 vs 93). Panel, processing, and HDR performance.

Which is the better value, LG G4 OLED 55" or TCL QM851G 75"? +

TCL QM851G 75" — more score per dollar ($2,499 vs $3,299). Specdex score per dollar at MSRP.