6700K vs 4790K ( For CAD )

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OrangeCoffee

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Sep 15, 2015
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I know this topic has already been beaten to death but I had a question. I'm building a computer as a design workstation, so Solidworks, photoshop, inventor, possibly Autocad etc. Most of these programs are single threaded, SW only multithreads on simulations and renderings which I will use a fair amount too.

Should I go for;
The new Skylake 6700K I7 with the more expensive new motherboards (The DDR3 ones though as I can't afford the upgrade to DDR4).

Or last year's Haswell 4790K I7 bearing in mind the clock speeds are the same I believe ? With the Older I would be able to afford a better Quadro Card so I'm unsure of what is a better idea.

Any thoughts are welcome, thanks in advance :)
 
Solution
geofelt
The I7-6700K has an improved architecture that improves performance per clock compared to haswell.
The real reason to upgrade to Skylake is the improved Z170 chipset which has more lanes available for the faster ssd type drives that are coming.
For a new build, Z170 and Skylake will be a better long term option.
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Both are great! Its really your choice on this one. The 4790k is more powerful. So pick what you want but I would go with the 4790k. And if you like this answer please select it as the best answer.
 
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I would go with the i7-6700K. Depending on your workload having DDR4 can benefit you quite a bit. I am not sure why everyone is recommending an old generation processor. That would be the last and only upgrade you could do for your PC. If you grab the i7-6700K you'd be able to upgrade in the future.
 
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http://ark.intel.com/products/88191/Intel-Core-i5-6600K-Processor-6M-Cache-up-to-3_90-GHz
http://ark.intel.com/products/80811/Intel-Core-i5-4690K-Processor-6M-Cache-up-to-3_90-GHz

the 6600k has a larger bandwidth on the bus system making it have faster communication with multiple componets, it also supports more RAM at a higher bandwidth, but the 6600k uses 3 more watts and has the same clock speed as the i5. It also has a slighty lower performance rating on some benchmarks, but they're about even.
 
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Original poster. Your best Bang for the buck is the 4790k. It is the same clock speed and has hyperthreading. The only advantage to the 6700k is the DDR4. So the cheapest option for the SAME performance is the 4790k
 
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The I7-6700K has an improved architecture that improves performance per clock compared to haswell.
The real reason to upgrade to Skylake is the improved Z170 chipset which has more lanes available for the faster ssd type drives that are coming.
For a new build, Z170 and Skylake will be a better long term option.
 
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Solution


I would highly advise not taking jupopp's recommendations. He seems to only care about getting a best answer.

If you are absolutely on a strict budget, the i7-4670K would be your only option. If you want to setup your computer to last for quite sometime and save yourself money for future upgrades going with the i7-6700K would be preferred.
 
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I think I may stick with Skylake and just look into upgrading my Motherboard/RAM at a later date. That way I won't have to upgrade CPU at a later date too. Realistically I don't think I'll see a massive difference in performance but it will future proof it somewhat.
 
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Fancy heat spreaders are mostly marketing. 1.20v ram simply does not get hot enough to require ANY heat spreaders at all.
And... the integrated ram controllers in current Intel processors are very good at prefetching data from ram that there is very little real performance difference between the slowest and fastest ram.
The stock speed of 2133 @1.2v is entirely adequate for any normal work and conservative overclocks.

Only of you are a record seeking ram overclocker is there any useful advantage to faster ram or eexotic ram cooling.

But a 2 stick kit of the capacity you need. The less expensive the better.
 
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You will find that the ddr3 capable motherboards are a niche product and are probably not what you want.
Past that, most any Z170 based motherboard will perform about the same.
 
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Have found this, http://www.cclonline.com/product/155938/CT2K4G4DFS8213/Desktop-Memory/Crucial-8GB-Memory-Kit-2x4GB-PC4-17000-2133MHz-DDR4-Unbuffered-Non-ECC-CL15-288-pin-DIMM-Single-Ranked-/RAM1943/

Isn't much more expensive than DDR3 so I may go for it, unless its not a great buy
 
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Crucial is quality RAM. You cannot go wrong with them.
 
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Well that settles that, I greatly appreciate the more knowledgeable people who helped haha you're all worthy of being the solution in truth. I'm going to upgrade to DDR4 as it's only marginally more expensive for what seems like a worthwhile gain in performance. Thanks !
 
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Just buy good DDR4. I've seen DDR4 with some pretty terrible CAS latency. 2133Mhz DDR4 is generally worse than 2133Mhz DDR3 from what I have seen spec-wise.
 
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