@Standupbloke
First queston, what is your priority here? - Gaming or audio (DAW) workload?
Second, what games do you want to play?
For gaming, the AMD 7800x3d is pretty much the best you can buy at the moment, it's 8 core and 16 threads but has a huge L3 cache (3d cache)
The Intel 13900k/14900k is 24 cores 32 threads, but they're 8 P (performance) cores and 16 E (efficiency) cores, which aren't as powerful and are more targeted to background tasks.
Intel are significantly more power hungry and therefore harder to cool than AMD at the moment (for AMD, you can even run on the 65w ECO setting without losing much speed!)
The 7900x are 12/24 with all being full performance cores, but the cores are split, with only half (6) having the 3d cache (which mostly only helps in certain gaming workloads, strategy being one of them! for example 'factorio' benefits hugely)
Similarly, the 7950x is 16 'full fat' cores (32 threads) and with the 'x3d' variant, 8 cores having access to a larger L3/'3d' cache. (7950x3d will be within 1-2% for gaming, but with added benefits for intensive media stuff)
DAW - There used to be some latency issues with early Ryzen processors (1xxx and possibly 2xxx series), but I've personally not noticed any issue with 3xxx and 5xxx, I've not yet tried 7xxx.
If your Ableton projects are not extremely complicated (i.e. having many VST or other intensive plugins in use), then I don't think you'll have much issue with any modern processor.
Personally my projects have always been pretty simple and if you start hitting performance issues you can always bounce instruments to WAV files to reduce load (once you've got them sounding as you want).
For graphics card, it's basically how much you're happy spending... For competitive FPS (warzone/fortnite etc) I think anything from a 4070 would give you a great experience without having to drop too many settings, assuming you need 144hz+, this all depends on what monitor you'll be using for gaming.
Regarding pre-built systems, as mentioned above, they will usually skimp a bit on things like PSU (you want a decent PSU!!!) and motherboard. OCUK will happily build a system to your spec if you give them a list, I think it's around £100 build charge.
For your uses I'd recommend at least 32GB RAM, ideally 64GB. RAM is pretty cheap at the moment so you want to at least be looking at 6000MHz C36 kits (it's pretty much the sweet spot for AMD, Intel can make better use of faster MHZ)
I'd also say to get a decent amount of SSD storage, Gen5 is a 'nice to have' but decent Gen4 is more than fast enough and about half the price for capacity.
For a full spec,
@Tetras is absolutely your man and will have better recommendations than I can come up with!
I appreciate this is a huge info dump and I hope it's not too overwhelming and in some way helpful
