LG
LG OLED55CXPUA 55" OLED 4K Smart TV - 2020
★★★★★
4K300 x 200USB 2.0Bluetooth 5.0HDMI 2.1
55-inch 4K OLED with self-lit pixels, 120Hz refresh rate, and α9 Gen 3 AI Processor for cinema-quality viewing at home.
$1,596.99*
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*Price sourced from Amazon.com. Last updated:Jul 23, 2026.Price and availability are subject to change.
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Overview
Key Features
LG OLED TV: Only OLED pixels emit their own light, allowing for perfect black, intense color and stunning picture.
PIXEL LEVEL DIMMING: Millions of pixels emit their own light. Only OLED can turn pixels off completely and independently. See stunning picture, perfect black, infinite contrast and over a billion rich colors.
WEBOS AND MAGIC REMOTE: LG's fan-favorite webOS platform makes it surprisingly fast and easy to stream movies and shows with your favorite apps and find new obsessions based on what you like. While our Magic Remote lives up to its name with voice and motion control — just speak or simply point, scroll and click.
α9 GEN 3 AI PROCESSOR 4K: Everything you see and hear is automatically made better, clearer, smoother, and more dynamic with our a9 Gen 3 AI Processor 4K. You don’t have to do a thing. Our most advanced 4K processor does it for you with AI Picture Pro, AI Sound Pro, AI 4K Upscaling, and the ability to help your TV to evolve over time.
Lock, unlock and check lock status with voice assistants including Amazon Alexa, Google Assistant and Siri
OLED MOTION PRO: our most advanced motion handling for fast movements in sports and action sequences | Native Refresh Rate: 120Hz
INPUTS & OUTPUTS: HDMI (HDMI 2.1 & HDCP 2.2) x4, USB 2.0 x3, RF Connection Input (Antenna/Cable) x1, AV Input x1 (breakout cable required, not included), Ethernet Input x1, RS-232C Input (Mini Jack) x1, Digital Audio Output (Optical) x1 | Wi-Fi (802.11ac) & Bluetooth 5.0 Enabled
DIMENSIONS W/O STAND(WxHxD): 48.3" x 27.8" x 1.8" | DIMENSIONS W/ STAND: 48.3" x 29.1" x 9.9" | STAND WIDTH: 39.3". VESA Mounting (W x H)-300 x 200
Specifications
Brand
LG
Model
OLED55CXPUA
Screen Size
55 inches
Display Technology
OLED
Resolution
4K (3840 x 2160)
Refresh Rate
120Hz (Native)
Processor
α9 Gen 3 AI Processor 4K
HDMI
4x HDMI 2.1 (HDCP 2.2)
USB
3x USB 2.0
WiFi
802.11ac
Bluetooth
5.0
Audio Output
Digital Optical
Voice Assistants
Alexa Built-In, Google Assistant, Siri
Dimensions without Stand (W x H x D)
48.3 x 27.8 x 1.8 inches
Dimensions with Stand (W x H x D)
48.3 x 29.1 x 9.9 inches
Stand Width
39.3 inches
VESA Mount
300 x 200mm
Frequently Asked Questions
What makes OLED different from standard LED TVs?
Each pixel on the LG CX OLED emits its own light and can turn off completely, producing perfect blacks and infinite contrast that LED TVs with backlighting cannot achieve.
Does the LG CX support HDMI 2.1?
Yes, all four HDMI ports on the OLED55CXPUA support HDMI 2.1, enabling 4K at 120Hz, eARC, and Variable Refresh Rate for next-gen gaming consoles.
What does the α9 Gen 3 AI Processor do?
The processor uses AI-driven algorithms to automatically optimize picture and sound in real time, including AI Picture Pro, AI Sound Pro, and AI 4K Upscaling for lower-resolution content.
Is this TV compatible with voice assistants?
Yes, it has Alexa built in and also works with Google Assistant and Siri for voice control, including smart home functions like lock and unlock commands.
What VESA mount pattern does this TV use?
The OLED55CXPUA uses a 300 x 200mm VESA mounting pattern.
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