Ryzen 9 3900X System Help please

AndrewPE28

AndrewPE28

AndrewPE28

Associate
Joined
6 Jan 2003
Posts
736
After 4 years, I'm upgrading my 7700k. My main use is Pixinsight which is Astrophotography processing software and utilises all cores.

I'm pretty set on the 3900X although tempted by the 3950X, not sure it's worth the extra price increase though. Where I'm stuck is memory and motherboard. I was thinking of a Gigabyte X570 board, maybe the Aorus Pro and some G.Skill Trident memory. I'd prefer 64Gb due to swap file requirements on large projects in Pixinsight.

Any recommendations? Oh and my current system is fully watercooled (1 x 360 & 1 x 420 rads) so I'll be swapping my CPU block.
 
I went from 7700k to 3900x
Don't regret it for a second
3900x is a great cpu
But if you are using software that can utilise every core then personally I would get 3950x
Obviously there are new amd cpus on the horizon too but depends whether you can wait for those or really need to upgrade now
 
Is astrophotography a hobby or a profession? Bare this in mind when paying a £300 premium for just a 4 core increase when even the 12 cores would make a huge difference over the 7700k you are using currently. You could also upgrade in a couple of years to a 4950x if you felt the need too.

A pcie gen 4 SSD would be well worth getting in your use case.
 
Just a hobby, I think a 3900X would be more sensible as I really want 64GB as well. Still not sure on what motherboard or RAM for best stability. I’m not that interested in overclocking it unless it’s 100% stable.
 
as always it comes down to how much cash you have
if cash is no problem go 3950x
if its a case of a 3950x or extra ram etc
then yeah go 3900x you still wont be disappointed
3600mhz is the sweet spot with lower cas timings if possible
these things dont overclock like intel cpus
to be honest just leaving it on PBO does a pretty good job
theres an astrophotography thread in here somewhere if you
havent already seen it
 
AndrewPE28 said:
After 4 years, I'm upgrading my 7700k. My main use is Pixinsight which is Astrophotography processing software and utilises all cores.

I'm pretty set on the 3900X although tempted by the 3950X, not sure it's worth the extra price increase though. Where I'm stuck is memory and motherboard. I was thinking of a Gigabyte X570 board, maybe the Aorus Pro and some G.Skill Trident memory. I'd prefer 64Gb due to swap file requirements on large projects in Pixinsight.

Any recommendations? Oh and my current system is fully watercooled (1 x 360 & 1 x 420 rads) so I'll be swapping my CPU block.
Click to expand...

B550 Aorus . Save the cash, only a few days to wait now .

What eve cash you were going to spend on x570 Aorus, could either be spent on their better b550 range of saving some cash with going for their slightly lessor boards but still performing well !
 
Hopefully the chipset fan on the Gigabyte board is is quiet, sadly it's quite audible on my Asus Strix board, it's faint but it's easily the loudest thing in the system, sounds like a angry bee is trapped in there. :(
 
The 3900X is a good CPU, I would think Pixinsight would befit more from a good GPU as it looks like it can use OpenCL. That said I would still upgrade to an AMD 8+ core CPU. Is there a demo project that we could test to help show the expected performance you would get?
 
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