The best tech products announced this week include Bang & Olufsen's reimagined turntable and TCL's new flagship mini-LED TVs.

The S25 Ultra's image is much more balanced overall and it's a slightly sharper image too. It's a very easy win for Samsung here. Things don't improve for the iPhone when using the ultra-wide lens.

The Roku Ultra is my top pick overall, and it's what I use in my living room. It supports 4K video, comes with a handy rechargeable remote, and uses an easy-to-navigate homepage. But if you're on ...