Hi there! Am planning to upgrade my PC and would like to tune it up really powerfully for rendering and stuff.

 

There are 3 CPUs suggested by the salesman and I am wondering which one will actually do better? or They'll be more less the same?

(all equipped with 32GB ram and SSD HD)

 

1. (6 Cores) Intel Core i7 Extreme 3930K 3.2G

2. (4 Cores) Intel Core i7 4820K

3. (8 Cores) AMD FX 8350

 

Well a quick intuition from my not so bright brain would go for the AMD one with 8 Cores since Poser does support multithreading. But I am not sure if that makes sense.

Anyone with experience here? thanks in advance!

 

Cheers! 

It doesn't matter what CPU you use. I have an AMD Phenom 9850 Quad Core...works just fine for me. I have my threads set to 4...renders go off without a hitch. Best of both worlds - powerhouse cpu and lots and lots of ram, but then that works for nearly everything, doesn't it? ;).

Laurie

If you want top end I would recommend you first review the enviroment the computer will be situated in. These monsters will generate a lot of heat so you will need some way of dealing with that , its no good having a super fast PC/Mac if the ambient temperature around the workstation is too high for you to comfortably be able to work. This sounds a bit lame but I know directly of at least one person who built a super fast PC and then sent all the components back because he found it too hot and noisy to use.

The AMD chip is not necessarly faster than the Intel. I'm not an expert but from the reviews read the 8350 will overclock well and make the most of good quality memory but you will pay with much higher electricty bill! The i7 is more efficient and works better if you're looking for a more balanced set-up. Believe some members have already done some real world benchmarks comparing the i7 and FX 8350 which you should be able to find by searching the forum.

 

The hex cores have the most long term cost benefit

http://www.cpubenchmark.net/high_end_cpus.html

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So is that TTFN or TANSTAAFL?

The i7 4870 will be significantly faster in every situation...

...except multithreaded rendering where the older i7 with 2 extra cores will be faster.

The 4 extra cores in the FX8350 are not enough to bring it in contention.

Go for the 6 core.

regards
prixat

Don't forget the Intels are hyperthreading, so the 6 core Intel will present 12 cores to the OS, and the 4 core will present itself as 8 core. They aren't "real" cores, it's sort of a second interface to the same core, but it does make a difference.

Check Tom's Hardware Guide on the Internet for speed comparisons. From the 3 CPUs you mention, the AMD is the slowest, but also the most affordable, and it gives a lot of computing power per dollar. The 6 core Intel is about twice as powerful, at a lower power consumption, but also at about 4 times the price of the AMD. The 4 core Intel is in between, both in price and performance

 

 

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Another thing to remember, the Intels require Socket 2011 mainboards - and those are pricey. The AMD Socket AM3+ boards cost about half of those Socket 2011 boards.

Heh, if you're going for rendering animations, you could build 2 AMD FX8350 machines for the price of 1 Intel 6 core machine. Those two together would give you about the same performance as that single Intel.

erm, those 2 machines would consume a lot of electricity though...

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     I think that that only floating-point cores are relevant for rendering (correction/confirmation welcomed).  The i7/Xeon processors are floating point, with HyperThreading doubling their physical cores, albeit an H/T "virtual" core is only about 2/3 to 3/4 the effective speed of the physical core.   If I recall correctly (correction/confirmation welcomed), the AMD octal has four floating point cores and four integer-only cores.

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Why not get a notebook with the i7-4700MX processor?

You will get a portable powerhouse that uses less juice than any desktop.

I got one of these, and was shocked at how fast it actually is.

http://www.newegg.com/Product/Product.aspx?Item=N82E16834231089

It runs 3 - 3.1 ghtz (using all cores). It supports 32 gig of ram, 2 drive bays without loosing something else, usb3, etc....

A comparable Intel desktop costs more, which is ironic.

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Cores, it's all about the cores.  You want as many as you can get.

Hyperthreading (on an i7) adds between 5% to 20% increase in performance, depending on the tasks involved.

regards
prixat

The AMD is the slowest one, although not that much slower than the 4820k, but the AMD consumes a lot more energy. I don't see why the 4820k was recommended at all, the 3770k and 4770k are as fast but consume a lot less energy.

Basic rundown:

4820k fastest 130w power

4770k 5-10% slower --- 84w

3770k 10-15% slower --- 77w

AMD FX8350 10-15% slower --- 200+w (some test show it uses over 250w)

Then there's the 3930k..... it user 130w is about 10 faster then the 4820k, so it is the fastest of all, but...... you need to consider pricing.

The 3930k costs the most, a lot more then the others and the motherboard needed is more expensive as well, I'll put this one on 100% price. Second place is the 4820k, the cpu cost a lot less, but the motherboard is about the same price, this one gets 70%. the 4770k and 3770k are roughly the same price, (3770k a bit cheaper) but the 3770k runs in a less expensive motherboard. The 4770k get's 65% and the 3770k get's 55-60% depending on the motherboard. The AMD FX8350 is the cheapest of all of them, a lot cheaper then the rest, motherboard the same price as the 3770k, it get's 50%

Then there's one more thing to consider..... are you going to overclock at all? If not, drop the k versions and get the regular ones, they are cheaper and run at the same speed if then the k versions onless you overclock.

I guess that's about it, good luck with choosing your cpu :-) Personally I'd go with the 4770(k). Costs vs performance wise the best. Runner up would be the 4820(k) Good performance, but higher price. I don't see the point of paying a lot more for the 3930 at all, it just doesn't offer enough for it's high price.

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Food for thought.....
https://www.youtube.com/watch?v=pYZw0dfLmLk

My new system render plenty fast. I went with the AMD.

Would have built a quad socket, if it was possible at this time, that is without spending 100,00.00 bucks. :-)

In retrospect I would have been okay with 24 Gig of ram.

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