From the benchmarks I've seen on Tech Notice and Puget, AMD performs fine, so I think you're safe to choose an AMD CPU there.Davinci Resolve
I have no idea.Sony Vegas
Unless you can find a great deal somewhere, that leaves you with:Games at 4K
£600 ish
4070 and 7800 XT
4070 Super and 7900 GRE
4070 Ti and 7900 XT
The 7900 XT has the best performance in raster and the most VRAM. If you're sure that all of your work apps function fine with an AMD card then that'd be my pick.
The 4070 and 7800 XT are relatively good value if you can get them near £450, but they're both intended for 1440p, so you're looking at upscaling for the best performance at 4K. Fortunately, DLSS/FSR do work best at higher resolutions.
4070 Super and 7900 GRE are 16% and 10% faster than the non-Super and 7800 XT respectively according to TPU's GPU database (raster, no upscaling and no ray tracing), but when you're looking at playable performance @ 4K, that's not to be discounted. My opinion is that these cards need to be much nearer to £500 than to £600, or the price increase from the 4070 and 7800 XT is not worth paying.
The 4070 Ti I'd discount because it is getting harder to find (replaced by the Ti Super, which has 4GB more VRAM) and I'd not be keen on paying £700+ for a 12GB card, especially to play at 4K.
I assume that'd mean future Intel CPUs, because we've had several broken ones here on the forum?On the Adamant IT podcast they claimed that the Intel CPUs we get in the UK are not broken as they are not manufactured in Malaysia.