LG OLED Evo AI C5 vs. Samsung S90F: Best AI Smart TV 2026

I used to think that a "smart TV" was just a screen with a Netflix app, but my perspective shifted the moment I sat in front of the 2026 flagship lineups. Choosing between the LG OLED Evo AI C5 vs. Samsung S90F is no longer about just panel tech; it's an arms race of artificial intelligence that dictates every pixel you see. Last week, I spent forty-eight hours testing both units in my living room, and the results were eye-opening for anyone obsessed with home automation and cinematic fidelity. Navigating the LG OLED Evo AI C5 vs. Samsung S90F debate in 2026 has taught me four critical lessons:

• AI Processing is King: The **α9 AI Processor Gen8** and **NQ4 AI Gen3** handle motion and upscaling better than any human-tuned settings could.
• Gaming Parity: Both brands now offer **144Hz refresh rates** and sub-0.1ms response times for elite performance.
• Brightness Wars: Samsung’s **QD-OLED** technology pushes higher peak highlights, while LG’s **Brightness Booster** narrows the gap for mid-tones.
• Smart Home Hubs: Your TV is now a central Matter-certified controller for your entire household ecosystem.

1. LG OLED Evo AI C5 vs. Samsung S90F: The 2026 AI Showdown

In 2026, the LG OLED Evo AI C5 vs. Samsung S90F rivalry is defined by the silicon inside. LG’s α9 AI Processor Gen8 is a masterpiece of predictive analysis; it identifies faces and objects on screen to apply localized sharpening that looks incredibly natural. On the other hand, Samsung’s NQ4 AI Gen3 Processor uses 128 neural networks to upscale legacy 1080p content into a simulated 4K that often looks sharper than the original source.

When I paired these TVs with my best smart home light control system 2026, the LG C5 felt slightly more integrated. Its "Always Ready" mode turns the TV into a digital canvas that displays home automation stats while pulling minimal power. However, Samsung’s SmartThings integration remains the gold standard for controlling devices like your smart door lock directly from the remote.

2. Comparison Table: LG C5 vs. Samsung S90F (65-inch Model)

3. Why We Don’t Recommend the Samsung S90F for Dedicated Movie Buffs

Despite its incredible **QD-OLED** vibrance, we have a specific reason to hesitate on the Samsung S90F for cinephiles: the lack of Dolby Vision. In 2026, nearly every major streaming service (Netflix, Disney+, Max) masters their premium content in Dolby Vision. Samsung’s reliance on HDR10+ is a "format war" remnant that often leaves the picture looking slightly less nuanced in dark scenes compared to the LG OLED Evo AI C5.

Furthermore, while the S90F is brighter in SDR, it lacks a dedicated anti-glare coating on the 55-inch and smaller models. If your living room has large windows, you’ll see your own reflection during dark movie sequences. For a truly immersive experience, especially if you are monitoring your outdoor security cameras via PiP (Picture-in-Picture), that glare can be distracting.

4. Final Thoughts: Which AI Smart TV Rules 2026?

The LG OLED Evo AI C5 vs. Samsung S90F debate ultimately comes down to your primary use case. If you are a hardcore PC gamer who demands the highest color volume and brightness, the Samsung S90F is a technical marvel that hard to beat. However, for the general home automation enthusiast and movie lover, the LG C5 is the more balanced device. Its webOS 25 platform is faster, more secure, and integrates more gracefully with other 2026 smart home standards. Whether you're watching a 4K blockbuster or checking your 4K security cameras, the LG C5 provides a more consistent, "premium" feel that truly rules the year.