As brands pack more AI-based enhancements into their TVs — some fully baked, others less so — one feature seems more important than the rest: AI upscaling.

Almost every major TV brand offers its own form of AI upscaling, and because it ostensibly relates to picture quality, it has greater moment-to-moment significance than, say, an AI chatbot on your TV.

What, exactly, is AI upscaling? To answer this question, let’s start with the basics.

What is upscaling on TVs?

If you bought your TV in the last ten years, there’s a very good chance that it’s a 4K TV. This means that it sports a display resolution of 3,840 x 2,160 pixels. For years now, 4K has been the standard TV resolution for all brands.

You can still buy full-HD, 1080p TVs (which feature a resolution of 1,920 x 1,080), but there

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