LG OLED evo C5 55-inch (OLED55C54LA) / LG OLED77B5PUA (B5, 77-inch)

LG OLED evo C5 55-inch (OLED55C54LA): OLED55C54LA · 55-inch

LG OLED77B5PUA (B5, 77-inch): North American model OLED77B5PUA, 77 inches. The 48, 55, 65 and 83-inch B5s and European B5 models have separate codes; power, dimensions and weight change with size. The B4, B6 and C5 are separate models.

SpecificationLG OLED evo C5 55-inch (OLED55C54LA)LG OLED77B5PUA (B5, 77-inch)
Release year20252025
Display55-inch OLED; 3840 × 2160 (4K) LG77-inch class (77.4-inch diagonal) 4K OLED; 3840 × 2160

In OLED each pixel makes its own light and can switch off completely, so blacks are much deeper than on backlit LCDs.

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Refresh rate120 Hz native; up to 144 Hz with VRR

144 Hz applies to a compatible PC input; broadcasts and consoles send at most 4K 120 Hz.

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Native 120 Hz; VRR up to 120 Hz

VRR matches the screen’s refresh to the frame rate of a console or PC, reducing tearing.

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Processorα9 AI Processor 4K Gen8 LGα8 AI Processor 4K Gen2

Picture processing, upscaling of lower-resolution content to 4K and audio up-mixing run on this chip; it sits below the processors in the C and G series.

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SoftwarewebOS 25; webOS Re:New programme

LG offers up to five years of free OS upgrades on selected models; per the UK page, security updates run until 31 December 2029.

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HDRDolby Vision, HDR10, HLG LGDolby Vision, HDR10, HLG; Dynamic Tone Mapping Pro; Filmmaker Mode

HDR10+ is not in LG’s list; content mastered in HDR10+ plays as standard HDR10.

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HDMI4 × HDMI; 4K 120 Hz, VRR, ALLM and QMS; eARC on HDMI 2 LG4 HDMI inputs; all four support 4K 120 Hz, VRR, ALLM and QMS; eARC on HDMI 3

eARC sends audio from the TV’s apps, including Dolby Atmos, losslessly to a compatible sound system.

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GamingG-Sync Compatible; FreeSync; HGiG; Game Optimiser; Dolby Vision gaming at 4K 120 Hz; under 0.1 ms response

Response time is a pixel-transition claim; input lag is measured separately.

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FreeSync, G-Sync Compatible, ALLM, HGIG, Game Optimizer; response time under 0.1 ms

ALLM automatically switches the TV to a low-latency mode when a connected console starts a game; HGIG leaves HDR tone mapping to the game itself.

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Audio40 W; 2.2 channels; Dolby Atmos; virtual 11.1.2 up-mix LG2.0-channel down-firing speakers; Dolby Atmos; α8 AI Sound Pro (virtual 9.1.2)

Virtual 9.1.2 is processing that tries to create a multi-channel impression from two speakers; there are no real height or rear speakers.

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WirelessWi-Fi 6; Bluetooth 5.3 LGWi-Fi 6E; Bluetooth 5.3

Wi-Fi 6E can use the less crowded 6 GHz band with a compatible router; Bluetooth is used for headphones and speakers.

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Other connections3 × USB 2.0; DVB-T2/T, DVB-C, DVB-S2/S and analogue tuner

Tuner options can differ by region.

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2 USB 2.0, Ethernet, antenna/cable input, RS-232C (mini jack)

RS-232C and IP control let home automation systems manage the TV.

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Size / weight with stand1222 × 757 × 230 mm; 16.0 kg

Stand footprint 470 × 230 mm.

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Size / weight without stand1222 × 703 × 45.1 mm; 14.1 kg LG—
VESA300 × 200 mm LG—
Power100–240 V AC, 50/60 Hz; standby under 0.5 W; energy class F (EU/UK) LG—
RemoteMagic Remote (MR25GA / MR25GB) LG—
Smart TV—webOS 25; Google Cast, AirPlay 2, Matter; built-in Alexa; Magic Remote MR25

LG promises software updates and feature refreshes under its Re:New program; most apps require an internet connection and an LG account.

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Power consumption—187 W; 344 kWh per year; standby under 0.5 W

Actual consumption varies with content brightness and picture mode; the annual figure is based on US test conditions.

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Dimensions—Without stand 67.7 × 38.9 × 2.0 in (about 172 × 98.8 × 5.1 cm); with stand 67.7 × 41.6 × 12.6 in

The stand is 55.2 inches (about 140 cm) wide; the furniture it sits on must be at least that wide.

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Weight—Without stand 50.5 lb (about 22.9 kg); with stand 51.8 lb (about 23.5 kg)

Use the weight without the stand when choosing a wall mount.

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Wall mount—VESA 300 × 200

The VESA size is the horizontal and vertical spacing of the screw holes on the back; the mount must support it.

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In the box—Stand, Magic Remote MR25 with batteries, power cable, quick start guide

No HDMI cable is listed.

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