LG CX vs Sony A80K OLED TV Comparison Review

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This article will compare LG CX vs Sony A80K TVs.

LG CX vs Sony A80K: Overall Comparison​

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LG CX OLED TV Quick Review​

If you like OLED TVs, the LG CX OLED is definitely in your range of choices. As the OLED model launched by LG in 2020, it is equipped with an Alpha a9 Gen.3 processor. If you want a newer processor, you should look at the LG C1 and LG C2. Based on the availability of more new products, the price of CX has dropped, but it is still competitive, making it a very cost-effective option.

Like all OLED TVs, the LG CX has perfect contrast and deep blacks, offering a variety of picture settings perfect for viewing in dark scenes. The CX is richly connected, offering 4 HDMI 2.1 ports and 3 USB ports. It also supports 4K 120Hz and supports gaming features including VRR, FreeSync, and G-Sync for an unparalleled gaming experience.


(y)Perfect contrast

(y)Excellent picture quality

(y)Excellent game features

(y)Wide viewing angle

(y)Dolby Vision support


(n)Lack of HDR10+

(n)Average peak brightness

Sony A80K OLED TV Quick Review​

The Sony A80K is Sony's mid-range OLED 4K TV for 2022, a TV for multipurpose use. Its OLED panel provides the perfect contrast to deliver deep blacks in dark scenes. the A80K's panel is paired with Sony's exclusive XR OLED Contrast Pro, XR Triluminos Pro, and Cognitive Processor XR features to deliver more detail and better image quality.

The Sony A80K is also suitable for viewing in well-lit environments, thanks to its excellent reflection processing, but its peak brightness is average. It offers gamers low input latency, variable refresh rate (VSR), and two HDMI 2.1 ports.


(y)Excellent image quality

(y)Perfect contrast and deep blacks

(y)Wide viewing angle

(y)Dolby Vision support

(y)Excellent reflection processing


(n)HDR10+ not supported

(n)Limited peak brightness

LG CX vs Sony A80K: Picture Quality​

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The picture performance of the LG CX is impressive, with the perfect contrast ratio that OLED panels have, providing excellent deep blacks in dark scenes. Thanks to its Alpha 9-3 processor, the CX delivers a detailed, clear, brightly colored picture, and you can also adjust the picture settings as needed. It supports HDR10, HLG, and Dolby Vision and has decent HDR brightness, but its automatic brightness limiter (ABL) reduces the brightness of large bright scenes.

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The LG CX has a wide viewing angle that does not compromise image quality even when viewed from the side, making it ideal for wide seating arrangements.

The image quality of the Sony A80K is excellent. It has a near-perfect contrast ratio and renders perfect blacks for watching TV programs in dark rooms. On top of that, its OLED panel combines with Sony's XR OLED Contrast Pro, XR Triluminos Pro, and Cognitive Processor XR features to provide more image detail and color, giving you better image quality.

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The brightness of the A80K is at an average level, not as bright as other OLED TVs (such as the LG C2). Its HDR brightness is not bad, and it also supports HDR10, HLG, and Dolby Vision.

LG CX vs Sony A80K: Design​

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The LG CX embodies the TV aesthetic with a sleek design. The TV's panel and bezel are very thin. The TV is provided with a very fine metal stand that supports the TV panel well. Since it is wider, you will need to place it on a wider table. The stand is relatively short and may block the screen if you place a soundbar in front of the TV.

The top part of the back of the TV is made of silver metal, while the bottom half is made of plastic. The stand is provided with a plastic cover for cable management. The TV's panel is very thin, but the lower part of the input section sticks out so it won't sit perfectly flush with the wall when wall-mounted.

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The Sony A80K features a simple, sleek design with an extremely thin bezel that blends well into the environment. The TV's silver stand is thin and supports the screen well. There are three mount options for you to choose from, and you can choose between a wide position and a narrow position to fit the size of the table. Of course, if you want to place the soundbar in front of the TV, you can use the soundbar position to elevate the TV screen.

The back of the TV has a checkerboard grid of plastic that provides a cover to manage the cables. The bottom half of the TV's panel sticks out a bit and is very thin overall.

LG CX vs Sony A80K: System and Smart Features​

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LG CX is equipped with webOS 5.0 and the user interface runs smoothly. You can download a large number of apps from LG's app store, or you can project content from your mobile device to watch on your TV. The LG Magic Remote that comes with the TV works well, providing quick access buttons to some popular streaming services.

You can use voice control to change the TV's input or search, etc.

Sony A80K comes with Google TV, which is the most popular TV operating system for many users. You can download almost all of your favorite apps and streaming services from the Google App Store.

The TV is equipped with Sony's latest remote control, which has no numeric keypad, so it will be smaller. You can access Google Assistant for voice control through the microphone.

LG CX vs Sony A80K: Inputs​

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The LG CX supports all common resolutions including up to 4K 120Hz and offers four HDMI 2.1 ports so you can connect multiple high-bandwidth devices simultaneously.

With low input latency, the LG CX also supports HDMI VRR, FreeSync, and G-Sync, which is great news for gamers.

The Sony A80K supports 120Hz and a variable refresh rate, which can effectively reduce screen tearing. It has very low input latency in gaming mode, which provides a smooth gaming experience. It supports HDMI 2.1 bandwidth via HDMI ports 3 and 4.


Both the LG CX and Sony A80K are excellent OLED 4K TVs, only the former is a 2020 model, so if you mind this, consider the newer LG C1 or LG C2.

Both OLED TVs offer perfect contrast ratios, are great for dark environments, and offer very wide viewing angles.

The LG CX comes with LG's exclusive webOS, while the A80K comes with Google TV.

As for inputs, the LG CX offers more HDMI 2.1 ports than the Sony and supports more gaming features.