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Need advice for building new "Render" machine

post #1 of 3
Thread Starter 
I haven't built a computer in a few years, this is my current rig:

I-7 920 overclocked to 3.4 Ghz
16 GB DDR3 1100
ATI Radeon 4850 HD
Intel DX58SO motherboard,


I had my eye on the i7-3930k 6 core sandy bridge for 2011 socket for about $600. http://www.newegg.com/Product/Product.aspx?Item=N82E16819116492


I had my eye on this video card: http://www.newegg.com/Product/Product.aspx?Item=N82E16814130604


But then I read about Ivy-Bridge coming out, should I just wait a month or two for that, or is that geared at people who use lower end processors, after all its coming out on the 1155 socket and that is inferior compared to 2011 right?


I do gaming, I want a computer that will play any game on full settings, but I mostly do extremely intensive 3D rendering and animation, I.E. my computer sits at 100% CPU usage for an hour just to render one frame, so I want the best CPU for my money (without spending $1000), which is why it looks like the 3930 is my best bet.

So for someone who does mainly 3D rendering, should I buy the 3930 now or wait for the Ivy? The 6 cores were important to me.

Also, how much of a performance difference will I notice in rendering from a I-7 920 OC'ed to 3.4 compared to a stock 3930? Can you give me an estimated increase in performance, like 150%, etc?

Also, is that a decent video card for the price?

What would be a good board and fan to use with the 3930?

Thanks!
post #2 of 3
Wait for the s2011 Ivy, then decide. It may well be possible, depending on the render software you use, that AMD's Bulldozer may actually compete. If your software can take advantage of the new instructions on Bulldozer, it may well be up there.

The 3930 is significantly faster than the 920 clock for clock, and Ivy is 4-6% faster than Sandy. Plus the 3930 has 2 more cores, and 4 more threads than the 920, I'd expect the 3930 to be over 50% faster in rendering just on core count alone, add in the IPC improvements and you get even more.

Ivy Bridge for 2011 is coming, it's just not here yet, probably a month or so after s1155 Ivy comes out (not sure on release dates for s2011 Ivy).

TLDR: Sandy will be a significant upgrade, but Ivy may be more, when we know the release date for s2011 Ivy, it may be worth waiting for.
Edited by allikat - 3/1/12 at 10:15pm
Ryzen 5 1600
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Ryzen 5 1600
(12 items)
 
  
CPUMotherboardGraphicsRAM
AMD Ryzen 5 1600 MSI B350 Gaming Plus Gigabyte GeForce GTX 1060 WINDFORCE2 OC 16GB (2x8GB) Corsair DDR4 Vengeance LED, PC4-24... 
Hard DriveHard DriveCoolingOS
256GB Samsung PM961 Polaris M.2 NVMe  1TB Toshiba DT01ACA100 3.5" HDD, SATA III  Cooler Master Hyper 212 Evo Windows 10 64 
KeyboardPowerCaseMouse
Unicomp Model M 650W EVGA SuperNOVA G1, 80PLUS Gold, Full Modular Kolink Luminosity Cooler Master Reaper Aluminium 
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post #3 of 3
Thread Starter 
If I bite the bullet, and buy the 3930 now, for socket 2011, what is (worst case scenario) the amount of better performance I would get out of the ivy for the same price, assuming the ivy was on socket 2011? Am I only cheating myself out of maybe a 10% performance increase by not waiting a few months? I feel like if I waited for an 1155 Ivy, I would be buying a soon-to-be obsolete 1155 board.

Also, if I choose not to wait for the Ivy, is the 3930 my best choice (other than the AMD you mentioned) right now?
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