LG C4 vs Samsung S90C: Comparison Across 5 Aspects

By Naila Syifa
Updated April 2024

LG C4 vs Samsung S90C

In recent years, OLED TVs have taken over the market with their superior picture quality and color accuracy. LG and Samsung are two of the biggest players in this space, with their LG C4 and Samsung S90C models being among the most popular.

While both TVs offer stunning visuals, there are some key differences between them that may sway consumers one way or the other. In this article, we'll take a closer look at the LG C4 vs Samsung S90C OLED TV comparison to help you decide which one is right for you.

Key Takeaways

LG C4 supports integration with Apple ecosystem while S90C supports integration with Samsung SmartThings, but both TVs have similar picture quality and overall features. LG C4 has more robust 2.2-channel speaker system compared to Samsung S90C's 2.1-channel speakers, but the audio output produced is equally powerful at 40W.

LG C4 vs Samsung S90C

LG C4 OLED evo

2024 Mid-Range Smart TV

✓ α9 AI Processor 4K Gen7
✓ 2.2 Channel Speaker System
✓ Compatible with Apple HomeKit
✓ webOS 24

Samsung S90C

Samsung S90C OLED TV

2023 Popular Smart TV

✓ Neural Quantum Processor 4K
✓ Object Tracking Sound Lite
✓ Built-in Bixby and SmartThings Hub
✓ Samsung Tizen OS

#1 Price

LG C4 vs Samsung S90C


LG C4 is the mid-range model of LG's 2024 OLED TV lineup, retailing at a starting price of US$1,500 for its smallest 42-inch model. Samsung S90C's smallest 55-inch model retails at US$1,900, a higher starting price than LG C4.

However, for the same 55-inch size, the LG C4 is actually more expensive than the S90C, costing US$2,000. Furthermore, as a 2023 model, the Samsung S90C is often discounted, making it a more affordable option compared to the newer LG C4.

#2 Design

LG C4 vs Samsung S90C

Samsung S90C

Both TVs feature a sleek and minimalist design, with thin bezels and a slim profile. There is no clear winner in terms of overall design, as both TVs offer a premium and attractive appearance.

However, one difference concerns the number of connectivity ports built into each TV, with the C4 having 4 HDMI and 3 USB ports while the S90C has 4 HDMI and 2 USB ports. The more ports it has, the more flexibility the TV offers for connecting various devices.

#3 Picture Quality

LG C4 vs Samsung S90C


As OLED TVs with 4K resolution, both LG C4 and Samsung S90C offer exceptional picture quality with deep blacks, vibrant colors, and wide viewing angles. Both also feature Dolby Vision and Filmmaker Mode, which respectively optimize the picture quality for HDR content and maintain the director's intended look.

At a high refresh rate of 120Hz, you can expect smooth motion handling and reduced blur during fast-paced scenes on both the LG C4 and Samsung S90C. If you connect the TV to a compatible PC, you can also enjoy ultra-fast 144Hz gaming at 4K resolution, making them excellent choices for gaming as well.

LG C4 vs Samsung S90C

Samsung S90C

LG C4 is powered by Alpha 9 AI Processor Gen 7, while the Samsung S90C is powered by the Neural Quantum Processor. Both processors deliver excellent image processing and upscaling capabilities, so you can watch lower-resolution content nearly like 4K.

There is also a range of features that further enhance the picture quality. For example, LG C4 features Dynamic Tone Mapping Pro, AI Picture, and OLED Motion, while LG C4 features Quantum HDR and Real Depth Enhancer.

#4 Audio Quality

LG C4 vs Samsung S90C

Object Tracking Sound Lite in Samsung S90C

LG C4 produces slightly more robust sound, thanks to its 2.2-channel speaker array compared to Samsung S90C's 2.1-channel speakers. Despite this difference, however, both TVs have the same 40W total power output, indicating that the audio quality between the two is likely comparable.

Both TVs feature Dolby Atmos for an immersive 3D surround sound, but LG C4 also creates a virtual 9.1.2 surround sound experience through its AI Sound Pro feature. Another audio-enhancing feature is Clear Voice Pro, which automatically adjusts the volume of voices to help make dialogue clearer and more distinct.

Samsung S90C is not missing out on this. Its Active Voice Amplifier feature detects surrounding noise and automatically adjusts the volume to ensure that you can hear dialogue clearly even in noisy environments. Along with Dolby Atmos, the Object Tracking Sound Lite feature also creates a more immersive audio experience by tracking the movement of objects on the screen and adjusting the sound accordingly.

#5 Smart Features

LG C4 vs Samsung S90C

webOS 24 in LG C4

The LG C4 runs on the latest webOS 24 platform, providing access to a vast library of streaming apps, voice control via the built-in Amazon Alexa and some other compatible voice assistants, and LG's intuitive Magic Remote for easy navigation. It also supports Apple AirPlay 2 and HomeKit for seamless integration with Apple devices.

Similarly, the Samsung S90C is powered by the Tizen OS, which offers a user-friendly interface, a comprehensive app store, and voice control through Samsung's Bixby assistant or the built-in Amazon Alexa. The S90C also features Samsung's SmartThings Hub for connecting and controlling compatible smart home devices.

In terms of smart features, both TVs are well-equipped to deliver a comprehensive and convenient smart TV experience. The choice between the two may come down to personal preference and ecosystem integration.

LG C4 vs Samsung S90C

Final Thoughts

LG C4 vs Samsung S90C

Samsung S90C

Both the LG C4 and Samsung S90C are excellent OLED TVs that offer stunning picture quality, impressive smart features, and immersive audio. Ultimately, the choice between the two will come down to personal preferences and priorities.

As a newer model, LG C4 offers the latest upgrades and technologies, while the Samsung S90C may be a more budget-friendly option as a 2023 model. The difference in picture and audio quality is minor between the two, so the deciding factors may come down to pricing, smart platform preferences, and integration with your existing smart home ecosystem.

If you like to read more about Smart TVs, check out our other relevant guides here:

Samsung S90D vs S95D

Samsung S90D vs S90C

Samsung S90D vs LG G4

LG C4 vs Samsung S90D

LG C4 vs Samsung S95D

LG C4 vs LG G3

LG C4 vs Sony A95L

Don't miss out on tech

Subscribe to our newsletter to stay up to date on the latest tech trends and guides on the best gadgets around.