Indecision : 7900x or 7940x Photoscan workload

[Thingomy]

I'm building a rig that will be doing some heavy Agisoft Photoscan work, and am struggling a bit. This workload uses mostly multi core, but with some single core in there too.

 

looking at available processors in the price range, it seems somewhat of a no brainer to go for either a 7900x or a 7940x, but I'm struggling ot know which to go for.

 

Core counts suggests that 7940x is the way to go; however Pugit Systems spec a 7900x in their standard systems. Sure the actual clock speed is a bit lower on the 7940x, but it looks almost negligible numbers wise to me. To confuse things, the price is almost identical.

 

Have I missed something? Is there an actual difference here that I'm not seeing?

 

Thoughts? recommendations?

 

 

 

[LukeSavenije]

1 minute ago, Thingomy said:

snip

intel skylake x is really overpriced for what it is. if it relies heavily on multitread, get a 1920x or 1950x. if it depends more on single tread get a 9900k instead

[Princess Luna]

 

It would seem that it does favour single thread performance above more cores so the i7 9700K sounds like the best value for your money here, given it has the best single thread of all, capacity of running at above 5ghz and still enough multi-threading capacity.

[TahoeDust]

9th gen x299 chips should be showing up in the next few weeks.  I would wait and see how they do.