Why Your Eyes Made 8K TVs a Dead End
It seemed like the obvious next step — sharper than 4K, more pixels than you can count. So why are LG, Sony, and TCL all quietly walking away from 8K?
Turns out, the problem wasn’t the technology. It was physics.
Research from the University of Cambridge found that the average human eye can only detect around 94 pixels per degree (PPD). A standard 65-inch 4K TV viewed from roughly seven feet away already hits ~100 PPD — meaning it’s already at or beyond what your eyes can distinguish. To get the full benefit of an 8K display, you’d need to sit about 3–4 feet from a 75-inch screen. Not exactly prime couch territory.
- TCL stepped away from 8K manufacturing in 2023, Sony followed in 2025, and LG has now announced it’s stepping back too
- 8K content never arrived: Netflix, Disney+, and other major streaming platforms haven’t adopted it
- Streaming one hour of 4K content already takes around 7GB; 8K would likely require upwards of 15GB per hour
- The high cost of 8K TV sets compounded the problem, making the investment almost impossible to justify
The bigger picture: 8K’s failure rhymes with 3D TV’s — a technically impressive format that simply couldn’t find a reason to exist in people’s living rooms. 4K + HDR remains the sweet spot, and for the foreseeable future, that’s not changing.