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Need CPU for 3d modeling/rendering purposes (3DS max, Archicad etc.) - Page 3

post #21 of 32
All sounds good to me, I think you're making the right choice going for X99.
I used the R9 280x for Archicad work and it was fine, just as good as the R9 nano I have now so that's good too.

Yes you need DDR4.
I bought a pair of ddr4 then got another pair to make the 4x8gb sticks a few months later. Didn't notice it much slower with running in pairs. Only in benches not in real.

I haven't tried that combo so I don't know about the card and v-ray,
post #22 of 32
Thread Starter 
Quote:
Originally Posted by surfinchina View Post

All sounds good to me, I think you're making the right choice going for X99.
I used the R9 280x for Archicad work and it was fine, just as good as the R9 nano I have now so that's good too.

Yes you need DDR4.
I bought a pair of ddr4 then got another pair to make the 4x8gb sticks a few months later. Didn't notice it much slower with running in pairs. Only in benches not in real.

I haven't tried that combo so I don't know about the card and v-ray,

I will get me that AsRock x99 Extreme4. It has great price tag and I think AsRock really improved quality-wise in last couple of years.

Also, since you used to use archicad yourself.... does it even use multi threading? I've read on Archicad official site that it "party supports multithreading... but who knows what they meant with "partly" biggrin.gif
post #23 of 32
I still use it smile.gif
Been using it pretty well full time for 20 years, which makes me an old man haha.

It uses all the cores and threads for rendering and uses GPU when you're in model space.
AC 19 (the latest one) uses spare cores to do background stuff when you're working in 2D, which isn't so processor hungry. That means that when you open another view it's all ready for you.
When you keep drawing if it's rendering it'll steal back a core or two for that. That's when a fast computer works so well. The render still goes fast and I can keep drawing without any loss of speed or productivity.

Archicad uses cinerender for it's rendering, so to get the best idea of cpu rendering speed just hunt around for the cinebench R15 scores.
post #24 of 32
If I remember right, hyperthreading (which creates two logical cores for each physical cores) allows for smaller chances of data loss. When one physical core is assigned a task, it uses one thread to compute and the second thread to predict what to compute next. If the first thread fails, that info is pushed into the second thread to try again.

Don't quote me on that, but I'm pretty sure it does something of that nature lol. I'm an electronics ET, not a programmer tongue.gif

Just thought you'd like a little info on hyperthreading smile.gif
Little Green
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Little Green
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Hard DriveHard DriveCoolingCooling
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post #25 of 32
Thread Starter 
Thank you both for your input. Here is the final build Im ordering tomorrow (graphic card is for me, she is getting my old r9 280x). Tell me what you think about it smile.gif
post #26 of 32
Cool.
I'd get 2 sticks of DDR4. 8gb each. You really won't notice the difference and it''s better for expandability.
I'm pretty happy with 2666. X99 seems to like it but I haven't tried 3000mhz ddr4.
post #27 of 32
Thread Starter 
But this RAM does consist of 2x8Gb sticks. At least it says so on the website.
post #28 of 32
Personally, I would get a quad channel kit. These chips are designed for quad, but I don't know the magnitude of the performance gains.
Little Green
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Little Green
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Hard DriveHard DriveCoolingCooling
G.Skill Phoenix III Silicon Power S60 EK Supremacy Clean CSQ Green Nickle Swifttech MCP655 
CoolingCoolingCoolingCooling
XSPC 360 Crossflow EK 240XL Primochill Advanced LRT UV Pearl Green 1/2 ID 3... Mod My Toys Carbon Fiber Compression 
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EK Pump/Res Top EK FC970WF3 Windows 10 Pro 64 LG 24GM77 
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post #29 of 32
Thread Starter 
I got 2x8 because Im on kinda tight budget atm. I will get 2 more of 8 gb sticks later on. That's why I didnt go for 4x4 right now.
post #30 of 32
I built a backup PC and split my 32MB quad kit.
Cinebench took a hit from 1800 to 1750 on cpu but my real time render test on Archicad is exactly the same with the 2 8GB sticks.

Also as a bit of useless information my xeon 12 core 2690 is exactly the same on cinebench as my i7 5960 oc'd to 4.6, but it was a server pull and cost $450 and turns out 1/3 the heat under pressure.
But I still use the 5960 because of I don't know why.
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