WhichOneToGet
Compare ยท Updated 17 Oct 2026

LG G6 OLED 55-inch vs LG C5 OLED

Get the LG C5. Unless your room gets daylight and you'll hang the TV on the wall โ€” then the brighter G6 is worth the extra.

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.

LG C5 OLED
Our pick

LG C5 OLED

Still one of the safest OLED buys: deep blacks, Dolby Vision and excellent gaming, now often discounted.

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The short answer

Both have LG's deep OLED blacks and wide viewing angle. The G6 is brighter, better with reflections and goes up to 165Hz, but the C5 we list in the UK is a 65-inch that costs less than the 55-inch G6.

Get the LG G6 if
  • โ€”Your room gets daylight.
  • โ€”You'll mount it on the wall.
  • โ€”You game on a PC at up to 165Hz.
Check price on AmazonBuy โ†—
Get the LG C5 if
  • โ€”You want a bigger screen for less.
  • โ€”You watch films and streaming at night.
  • โ€”You use Dolby Vision sources.
Check price on AmazonBuy โ†—

Key differences

Screen size (UK)
55-inch
LG G6
65-inch
LG C5
Blacks
OLED blacks
LG G6
OLED blacks
LG C5
Brightness
LG's brightest OLED
LG G6
Not as bright as the C6
LG C5
Bright room
Handles reflections better
LG G6
Best with the curtains drawn
LG C5
Price
Higher, for a smaller screen
LG G6
Lower, often discounted
LG C5

Pros and cons

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).
LG C5 OLED
  • +OLED blacks and wide viewing angle
  • +Dolby Vision for films and streaming
  • +Strong console and PC gaming features
  • โˆ’OLEDs can show stutter in slow panning shots.
  • โˆ’Bright rooms still suit a Mini LED better.

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 17 Oct 2026How we decide