i7 4770k vs i7 3820

Vladislav Dechev · Jul 24, 2013

Hi fellas,
I know there are several threads on the subject already, but my concerns and requirements are a bit different.
I’m about to build a new PC and I’m torn between the two Intel CPUs. I’m using the PC for 3D rendering and modeling entirely (no games at all), which involves high RAM capacity as well.
My main concern is that the 3820 has 4 memory channels and higher bandwidth vs. the 4770k which has only 2 channels and the bandwidth is twice as lower.
The other thing is the built-in graphics processor. The 4470k has one and the other one- doesn’t. Do you think that the Intel HD Graphics can handle some serious polygon range in 3d studio max, and can I use it as my one and only GPU or I better add a separate one as well? Is that an advantage at all over the 3820?
Other than that the price is similar (40$ difference), so that’s not helping at all.
And the other thing: do you think that the XEON CPUs in the same price range are better for rendering than the i7s?
Thanks in advance.
Cheers

vinhn · Jul 24, 2013

It sounds like high task work. So I would go with the 3820 just so in the future I could upgrade to some other Intel Extreme versions. A HD4600 would not cut for 3D studio. Go with the 3820.

Vladislav Dechev · Jul 24, 2013

vinhn :

Tnx vinhn,
I've been doing research all day now and I'd definitely go for the 3820, it kills the 4770k on the CPU benckmarks (or so I read here). It will cost me some more trouble: the MB is a bit more expensive and I have to put a Cooler as well, but I think I'll be happy at the end

Thanks again. Cheers

Vladislav Dechev · Jul 24, 2013

Hmmm....but I just found this: http://www.guru3d.com/articles_pages/core_i7_4770k_review,14.html
When you flip through the different benchmarks, 4770k pretty much wins every single one of them... Back to square one

vinhn · Jul 24, 2013

The 4770k is the latest from Intel while the 3820 has been around for quite sometime.

IMO, I would go with an LGA2011 socket because the likelyhood of it being reused by Intel until the x99 is pretty high compared to the LGA1150 where the next consumer grade product is the Broadwell(14nm) which would use a new chipset.

Furthermore, professional work chips are aimed more at the Intel-E series rather than the normal i3/5/7. In the end, for most of the work you suggested such as 3D rendering, I would rather invest more in a decent workstation GPU that could handle these things better.

Vladislav Dechev · Jul 26, 2013

Thanks again vinhn.
In general the GPU rendering is happening right now, but not at the retail level that the CPU can render (especially with vRay and 3Ds max) so it's not an option for now. The E-series (XEON) is better and way more expensive for the decent models, these in the same price range are similar to the i7 IMHO.
Other than that, I'm reading that in a month or so Intel are releasing the update of the 3820 (4820 I think) that uses the same 2011 chipset, the update of the 3930K will also be on 2011, so I guess it's worth being able to upgrade in the near future, even if that means a small compromise with the speed now (since 4770k appears to be the faster of the two)...

Sn1992-1361850 · Jul 26, 2013

I wud suggest u that dont wait fr the 4820 the newer ivy bridge -e that is includin the 4820 is just 10% faster than sandy bridge-e(includin 3820) so its gnna b the same thing
As far as 3d modelling is concerned 3820 has following advantages
1. Better quad channel memory controller
2. Better l2 cache
So It wud be better than the 4770k in that
U can add a seperate gpu or use an existing one as even the 4770k graphics are not gnna help u in ur tasks

My verdict is to go with the 3820

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