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Compare ยท Updated 21 Oct 2026

LG G5 OLED 55-inch vs LG G6 OLED 55-inch

Get the LG G5 while it's discounted. Unless you watch in a bright room or skip the soundbar โ€” then the G6's extra brightness and fuller sound are worth paying for.

LG G5 OLED 55-inch
Our pick

LG G5 OLED 55-inch

LG's previous brightest OLED, now far cheaper than the G6. Its colours are more natural, too.

LG G6 OLED 55-inch

LG G6 OLED 55-inch

LG's brightest OLED: the C6's deep blacks with more punch for HDR and lit rooms, in a slim design made for the wall.

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The short answer

Both have four HDMI 2.1 ports up to 165Hz and superb OLED contrast. The G6 is brighter and sounds better, but reviewers find the G5's colour more natural, and it now costs far less.

Get the LG G5 if
  • โ€”You want flagship OLED for less.
  • โ€”You watch films in a dim room.
  • โ€”You'll add a soundbar anyway.
Check price at CurrysBuy โ†—
Get the LG G6 if
  • โ€”Your room gets lots of daylight.
  • โ€”You'll use the TV speakers.
  • โ€”The price gap is small.
Check price on AmazonBuy โ†—

Key differences

Brightness
Very bright
LG G5
Brighter still
LG G6
Colour
More natural skin tones
LG G5
Can look over-saturated
LG G6
Built-in sound
Thin
LG G5
Fuller
LG G6
Gaming
4K 165Hz, VRR
LG G5
4K 165Hz, VRR
LG G6
Price now
Much lower
LG G5
Full price
LG G6

Pros and cons

LG G5 OLED 55-inch
  • +Very bright for an OLED, with natural colour
  • +Four HDMI 2.1 ports, up to 165Hz
  • +Now well below the G6's price
  • โˆ’The built-in speakers sound thin; a soundbar helps.
  • โˆ’No HDR10+ support.
  • โˆ’Some colour banding in Filmmaker Mode, and colours shift slightly from off to the side.
  • โˆ’In the UK the wall-mount version (OLED55G54LW) has no feet; the OLED55G56LS comes with a stand.
LG G6 OLED 55-inch
  • +Brighter than the C6 for HDR and lit rooms
  • +Four HDMI 2.1 ports, up to 165Hz
  • +Hangs flush on the wall, bracket included
  • โˆ’No HDR10+ support (Expert Reviews).
  • โˆ’The built-in sound is only okay, so a soundbar helps (Expert Reviews).
  • โˆ’Colours take on a slight green tint from far off to the side (Expert Reviews).
  • โˆ’You need an LG account for most apps (LG).

Ready to choose?

How we reached this verdict

We compared independent expert reviews with the manufacturer's specifications, then checked it's sold at a major retailer where you live. We don't test products ourselves.

Sources: RTINGS, TechRadar, Tom's Guide, Expert Reviews, Trusted Reviews, manufacturer specifications.

Updated 21 Oct 2026How we decide