Is the C6 worth the extra $130 over the C4?

Yes if the room is bright or you game on a PC above 120Hz. Otherwise the C4 gives you the same OLED contrast and four HDMI 2.1 ports for less.

Which is better for gaming?

The C6. Both do 120Hz native with 0.1ms response, but the C6 reaches 165Hz VRR and adds QMS and QFT. The C4 tops out at 144Hz VRR.

Which has better sound without a soundbar?

The C6. It has a 2.2 channel 40W system with Dolby Atmos. The C4 has a 2.0 channel 20W system, so a soundbar helps more there.

Do both support Dolby Vision?

Yes. Both handle Dolby Vision, HDR10 and HLG, and both have Filmmaker Mode.

Which is brighter in a sunny room?

The C6. LG markets it as Bright Room Ready with Brightness Booster, and it uses the newer α11 processor. The C4 is dimmer and has no anti-glare coating.

How have their prices moved recently?

The C4 fell to $630.43 on October 30, 2026 and sat at $870.00 on November 6. The C6 hit $849.00 on November 5 and was $999.99 on November 7.

LG OLED evo C4 55-inch TV vs LG C6 Series OLED TV

Both are 55-inch LG OLEDs with 4K 120Hz panels, four HDMI 2.1 ports and Dolby Vision, so the picture is close. The C6 is the newer set with a brighter panel, the α11 processor and 165Hz VRR, and it costs $999.99 at Walmart as of November 7, 2026. The C4 is $870.00 at Walmart as of the same date, so you pay about $130 less for last year's model. Buy the C4 to save money; buy the C6 for a brighter room or serious PC gaming.

Today the LG OLED evo C4 55-inch TV costs $129.99 less at its best price.

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