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Large flat 77 inch OLED TV with ultra-thin bezel and dark finish

LG Electronics

LG OLED77C5KIT1 OLED evo AI 4K Smart TV 77" 144Hz

SKU CH-JFT1-7WJ15

A 77" OLED Smart TV with 144Hz refresh rate, four HDMI 2.1 ports and 8.3 million self-lit pixels for perfect black and infinite contrast

  • Screen Size77"
  • Perfect black and infinite contrast from 8.3 million self-lit pixels
  • Smooth 144Hz motion with .1ms response for competitive gaming
  • AI Gen8 processor upscales content in real time for sharper detail
  • Four HDMI 2.1 ports support G-SYNC, FreeSync Premium and VRR
  • Dolby Vision, Atmos and Filmmaker Mode deliver cinema-grade picture and sound

Product Identity

The LG OLED77C5KIT1 is a 77-inch OLED evo 4K Smart TV built for viewers who want cinema-grade picture quality and responsive gaming in a single display. Its α9 AI Processor Gen8 drives real-time AI upscaling, while over 8.3 million self-lit pixels deliver perfect blacks and infinite contrast. Four HDMI 2.1 ports support 144Hz refresh rates for modern consoles and PCs.

Ideal Buyer & Limits

This screen suits home-cinema enthusiasts and competitive gamers who need Dolby Vision, Dolby Atmos, FILMMAKER MODE, G-SYNC, FreeSync Premium and VRR in one panel. Buyers who require higher peak brightness for very bright rooms, smaller screen sizes for limited spaces, or a lower-cost panel technology should consider other options.

Deciding Specification

The 144Hz refresh rate combined with four HDMI 2.1 inputs and a .1 ms response time determines whether this TV matches a high-frame-rate gaming setup or a future-proof home-theatre installation.

Highlights

  • Perfect black and infinite contrast from 8.3 million self-lit pixels
  • Smooth 144Hz motion with .1ms response for competitive gaming
  • AI Gen8 processor upscales content in real time for sharper detail
  • Four HDMI 2.1 ports support G-SYNC, FreeSync Premium and VRR
  • Dolby Vision, Atmos and Filmmaker Mode deliver cinema-grade picture and sound

Specifications

Screen Size77"

Questions about this item

How does the 0.1 ms response time hold up during extended gaming sessions?

The 0.1 ms response time is a panel specification and does not degrade with sustained use; motion stays sharp for as long as the TV is on.

What are the heat and fan-noise levels when the TV runs all day?

The OLED panel has no fan and runs silently; surface warmth is typical for self-lit pixels under continuous load.

Which external devices are needed to reach 144 Hz on the four HDMI 2.1 ports?

A PC graphics card or game console that can output 4K at 144 Hz over HDMI 2.1, plus an Ultra High Speed HDMI cable.

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