Morne Erasmus Posted January 27, 2016 Share Posted January 27, 2016 Hi guys I'm speccing a new pc and need best rendering/price/performance ratio I'm looking at either the 6700 or 5820 or 4970. Locally the 5820 is about 18% more expensive than the 6700, but I'm not sure about the rendering performance. Which of these will perform better? (and will all 3 support 64GB Ram?) Any other suggestions? Link to comment Share on other sites More sharing options...
Nikolaos M Posted January 27, 2016 Share Posted January 27, 2016 5820K and 6700(-K) support 64gb of RAM, the latter only with 16gb modules. The 4790K supports only 32gb. The 5820k with a slight oc (4.2-4.3, which is rather easy to get) would be ~30% faster in rendering than a 6700K at stock speeds. Even if the 6700K is highly oc'ed, the 5820K would still be much better in renderings due to its 6c/12t. Could you give a budget and some local stores from which you're going to buy this rig? Link to comment Share on other sites More sharing options...
Morne Erasmus Posted January 27, 2016 Author Share Posted January 27, 2016 (edited) I won't be overclocking so don't really need the K versions (but the non K is not as easily available). I'll probaly buy the bits from various places and build myself. Just to give you an idea with current exchange rates etc. In USD equivalent (with current exchange rate), this is what these are locally: 4790K - $384 (on special) 4790 - $328 5960K - $1326 (That blows my budget) 5930K - $742 5820K - $492 (That's about my limit for the CPU cost) 6700K - #437 A lot of people (well IT people who doesn't have their own accounts at the distributors) buy locally from wootware.co.za rebeltech.co.za etc Edited January 27, 2016 by Morne Link to comment Share on other sites More sharing options...
Nikolaos M Posted January 27, 2016 Share Posted January 27, 2016 Between the 6700K and the 5820K (the 4790K is out of the question, especially if you'll be needing 64gb at some point), I would put my money on the 5820K, if I was you. Better renderer and the platform is "richer" in various aspects and upgradable in the future. Link to comment Share on other sites More sharing options...
Morne Erasmus Posted January 27, 2016 Author Share Posted January 27, 2016 Thats my feeling too. What would be a good MOBO for the 5820? (that has 8 RAM slots)? I don't need super deluxe stuff, just a standard mobo is fine Link to comment Share on other sites More sharing options...
Nikolaos M Posted January 27, 2016 Share Posted January 27, 2016 This a good all-around solution that doesn't cost a fortune https://www.asus.com/Motherboards/X99AUSB_31/. As for RAM, I have these in my system and I'm very pleased with them http://www.corsair.com/en-us/vengeance-lpx-32gb-4x8gb-ddr4-dram-2400mhz-c14-memory-kit-black-cmk32gx4m4a2400c14. Link to comment Share on other sites More sharing options...
Morne Erasmus Posted January 27, 2016 Author Share Posted January 27, 2016 Yes I like the corsair RAM. Do I have to go DDR4 or can I go DDR3 8GB X 8 then? Link to comment Share on other sites More sharing options...
Nikolaos M Posted January 27, 2016 Share Posted January 27, 2016 No, both platforms mentioned above (s1151, s2011-3) run with ddr4 RAM. There are some (a few) s1151 motherboards that can use ddr3, but I don't recommend this option. Besides, the cost of ddr4 is almost the same with ddr3. Link to comment Share on other sites More sharing options...
Jose Negrete Posted March 15, 2016 Share Posted March 15, 2016 Nikolaos, Is this board comparable? ASRock X99 Extreme4 LGA 2011-3 ATX Intel Motherboard Link to comment Share on other sites More sharing options...
Nikolaos M Posted March 15, 2016 Share Posted March 15, 2016 Nikolaos, Is this board comparable? ASRock X99 Extreme4 LGA 2011-3 ATX Intel Motherboard It's a good value mobo from Asrock. It has most of the goodies a modern user really needs. I just don't have an experience with Asrock in high-end systems. I tend to pick Asus/Gigabyte in these builds. I currently own an Asus X99 Deluxe and I'm very happy with the experience. But really, there shouldn't be a "bad" motherboard in 2011-3. If you don't intend to do something really extreme with it, any motherboard with the desired specs would be fine. I would mostly pay attention to real users's experiences with incompatibilities, buggy BIOS etc. Link to comment Share on other sites More sharing options...
numerobis Posted March 15, 2016 Share Posted March 15, 2016 The ASRock X99 Extreme4/3.1 would be comparable. This is the new revision incl. USB 3.1 and the overclocking socket. Concerning the number of ports etc. you have to take a look at the specs, i didn't compare them. But concerning quality i would say they are at least on par with Asus, maybe even a bit better when it comes to overclocking and support. I have the Extreme6/3.1 running with an overclocked 5960X in my workstation. And almost all of my servers and render nodes have ASRock boards (X99/X58/Z97/Z68/B85). I have build maybe 20 PCs using ASRock in the last 5 years. No problems so far (one Z68 board of my overclocked nodes died after 1.5 years but i think this can happen with every brand). Link to comment Share on other sites More sharing options...
Dimitris Tolios Posted April 5, 2016 Share Posted April 5, 2016 If I was to keep things "stock" (no overclocking) I would pick the i7-6700 out of the three, as it is notably faster than the 5820K in single threaded calcs, yet practically just as fast for multi-threaded (rendering). Even if you were to overclock, the 6700 can do high clocks on a half-decent air-cooler or CLC, while the 5820K might require a serious CLC or big-ass twin tower air-cooler (~$100 range or more) to approach 4.5GHz (to match and surpass the single threaded performance the 6700 has @ stock). Apples to apples, the 6700 will always be faster in single threaded tasks, the 5820K has the potential to be faster at rendering if overclocked. The biggest factor for "hidden costs" that might drive your decision is the 64GB RAM requirement: the 5820K with a budget 8-slot s2011-3 mobo can do 64GB relatively easily with 8x8GB sticks that will cost around $300. The 6700 needs 16GB sticks, as it only gets 4 dimm slots max regardless of mobo, and 4x16GB kits are like 50% more expensive. So at the end of the day, if you have to have 64GB, you will end up with roughly the same total cost, even if the 5820K + mobo combo is more expensive than the 6700 + mobo. Most users are exaggerating a bit on their RAM requirements. It is not as bad as with PSU capacities, but there is a high probability that you won't need 64GB. Program your requirements wisely. Link to comment Share on other sites More sharing options...
Nikolaos M Posted April 6, 2016 Share Posted April 6, 2016 Big comeback, at last! Link to comment Share on other sites More sharing options...
numerobis Posted April 6, 2016 Share Posted April 6, 2016 (edited) 4x16GB kits are like 50% more expensive. I would say the prices are the same now (or even a bit cheaper for 16GB modules - at least here in Germany) http://geizhals.de/?cat=ramddr3&xf=1126_Corsair~1126_Kingston~1454_8192~1454_16384~5015_2400~5828_DDR4~253_32768#xf_top http://geizhals.de/?cat=ramddr3&xf=1126_Corsair~1126_Kingston~253_65536~1454_8192~1454_16384~5015_2400~5828_DDR4#xf_top And RAM is cheap at the moment. I would get 64GB for a workstation now (if you can use it). I switched from 32GB to 64GB and i love it. No way back. Edited April 6, 2016 by numerobis Link to comment Share on other sites More sharing options...
Nikolaos M Posted April 6, 2016 Share Posted April 6, 2016 Do you really ever use more than 32gb while working? What's the biggest RAM usage you've seen so far? Link to comment Share on other sites More sharing options...
numerobis Posted April 6, 2016 Share Posted April 6, 2016 I really have no problem to fill the 64GB. Especially with photogrammetry operations i can't have enough RAM. But also in Photoshop i ran out of RAM many times with 32GB. Or when i render in the background while working in max or PS with several apps open. Link to comment Share on other sites More sharing options...
Nikolaos M Posted April 6, 2016 Share Posted April 6, 2016 OK. I still think, of course, that 32gb are more than enough for most users. Link to comment Share on other sites More sharing options...
numerobis Posted April 6, 2016 Share Posted April 6, 2016 (edited) Sure, if you know that you don't need more... you don't need more. Or the other way around... if you don't know if you need more, you don't need more But Morne asked for 64GB and i think he knows that he needs them. Edited April 6, 2016 by numerobis Link to comment Share on other sites More sharing options...
Dimitris Tolios Posted April 6, 2016 Share Posted April 6, 2016 I stand corrected. Did some better digging and this came up: http://www.newegg.com/Product/Product.aspx?Item=N82E16820232255 Samsung already started rolling with 10nm DDR4 production, so I would guess prices will soon start dropping even more. Link to comment Share on other sites More sharing options...
F Suarez Posted April 9, 2016 Share Posted April 9, 2016 If I was to keep things "stock" (no overclocking) I would pick the i7-6700 out of the three, as it is notably faster than the 5820K in single threaded calcs, yet practically just as fast for multi-threaded (rendering). Don't the extra two cores give a big advantage to the 5820K in rendering? Related to this subject, a couple days ago I read about the launch of the 6950X and 3 other new CPU's in just two months, from 6 to 10 cores. The 6800K stuck in my mind because it seemed just like a 6700, but with 6 cores, and thus 50 percent better performance for multi-threaded software. http://wccftech.com/intel-core-i7-6950x-broadwell-e-confirmed/ Link to comment Share on other sites More sharing options...
Nikolaos M Posted April 9, 2016 Share Posted April 9, 2016 Dimitris is talking about stock speeds for both processors. It's true that in rendering they perform quite similarly. Ex. the 5820K gives a Cinebench R15 score of about 1050cb±, while 6700K gives around 950cb or more, which is not too far considering that it has 2 cores less. On the other hand, in single thread performance, facts are in favor of the 6700k due to its higher ipc and much higher stock operating frequencies. As for the Broadwell-Es, I'm quite interested in 6950X and it's multi performance. 6800K and 6850K seem to be almost identical with just a 200MHz difference in clocks. I wonder if 6800k's pcie lanes are cut down (like 5820K's were) in order to justify the presence of another processor with similar specs and a 150-200$ price difference. A major chapter should be the new cpu's overclockability. The first generation of Broadwells were not good overclockers. We'll wait to see if the same goes for the Extreme chips too. And one last thing is Intel's price policy. The Haswell-Es will probably continue to be disposed by Intel and I'd like to see if anything changes about their costing. It's not the first time this happens, and experience indicates that we shouldn't be optimistic... Link to comment Share on other sites More sharing options...
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