LG OLED65G4SUB vs TCL 75QM8K

The TCL 75QM8K has a bigger screen (75 in vs 65 in), refreshes faster (144 Hz vs 120 Hz) and costs less ($3,000 vs $3,400).

Specs side by side

Values that differ are bold. A dash means that model doesn't publish the spec.

OLED65G4SUB75QM8K
Screen size65"75"
Resolution4K4K
Refresh rate120 Hz144 Hz
HDMI inputs44
eARCYesYes
Size57×33×1 in65×37×2 in
Weight23.8 kg (52.5 lb)28.4 kg (62.6 lb)
MSRP$3,400 each (MSRP, September 2026)$3,000 each (MSRP, September 2026)

Every spec and pairing: LG OLED65G4SUB, TCL 75QM8K.

Try either one in your own room.

Draw your room in 3D, place it with the rest of your system, and see every connection checked. Designing is free.

References

  1. LG OLED65G4SUB: Spec sheet, lg.com, retrieved September 15, 2026
  2. TCL 75QM8K: Spec sheet, us.tcl.com, retrieved September 15, 2026

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