TV resolutions are a jumble of letters and numbers like 4K, 8K, 1080p and UHD, among others. Most new TVs are 4K, but is that the same as UHD? Is a 8K TV twice as good as a 4K TV? Spoiler for ...

One of those is HDR or High Dynamic Range: this gives you more colours and a better range of contrast, and you'll often see the term mentioned alongside 4K or UHD (and extra features may well be ...

Walmart has a super deal on this 50-Inch Hisense 4K UHD Roku TV that makes it cheaper than ever to upgrade your old model with a new one. The 50-Inch Hisense 4K UHD Roku TV is on sale for $214 ...