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using Stockfish x64 linux command used  ./stockfish_14053109_x64 bench 128 1 12 default depth
 

@leok1ng: don't feel too bad. He got that with stockfish_14053109_x64 instead.
 
I'm curious though at what clock speed he actually got that. His sig. says 4.1 GHz but that's unlikely considering you needed 4.75 GHz to get the same kN/s.
 
So should I expect to get 4.50-4.75 GHz if I were to go with 2x 5680's, or maybe worth going with 2x5690's? What cooler then?

cuda-dude: That sounds amazing. So let me know if this is correct. You're running 2x5690 with SR2 and 2x H20. Both cpus are overclocked to 4.1 GHz and you're getting about 23,000 kN/s running Stockfish?
 
If so, I guess I'm ordering my SR2 and 2x 5690's then.

Yes Yorkman, thing on the sr-2 is that it does do a good job of overclocking xeon's, nothing like modern boards do that have lots and lots of settings most people never touch anyway but with the SR2 you will run into a ceiling and I think 4.5 will be it. If you will be happy at 4.4-4.5 then get the Sr-2 with any of the x56 cpu's. x5690's will start falling real soon so clock on those used ones and when you reach their max then go looking for more. I did 4.3 pretty stable with my e5645 cpus. I just didn't like the heat and volts. If going over 4.5 is in your future better buy the best chip and board you can afford. I have been looking at a lot of chess threads on forums since you started this one and have learned a lot. Most of what I read was high clock speeds and lots of fast ram where the key. Also remember on the sr2 you can turn off cores in the bios and you can then get higher clock speeds, I just want all my cores on all the time. Another thing to consider is modern xeons with a supermicro mother board, it does not have all the settings the sr2 has but I have seen some good clock speeds on geekbench scores.

Well, I'd be happy with 23,000 kN/s. The problem is getting there but if 2x 5680's at 4.40 GHz will do the trick then that's good enough for me (using all cores). I'd be pissed off if I spent $$ on SR2 with ram, case, and 2x 5680's and 2x coolers and find out that all I could get is 20,000 kN/s or less. I want the 23,000+ kN/s. Getting good cpus and memory is key, yes, but that's just luck. I want to buy the hardware that gives me the best chance of accomplishing my goal. That's all.

Or did you learn of other ways to get even higher kN/s using other cpu's, motherboard and coolers within my price range?

@Stay-Puft: I agree. X5680 it is. I see you got a nice OC at 4.60 GHz. What custom waterloop did you buy? And which ram exactly did you get? I'm trying to achieve the same, 4.50-4.60 GHz which I presume will get me my 23000+ kN/s in chess benchmarks. Perhaps you'd be kind enough to tell me how I can do that?

LInux command line benchs are apples to oranges when compared to Windows benchs, among other things because there services running in the background on windows and the ARENA UI also consumes resources. When i say SR2 vs 5960x, i meant that dual Xeon X56x0 vs a Core i7 5960X . This is the relevant choice for enthusiasts, as single thread and 3D gaming performance are more important for the kind of enthusiast that builds a dedicated chess machine.
 
2x Nepton 280L is only possible in my case if i choose dual SFX 600w PSUs: i have tested and it is possible to bottom mount a Nepton 280L inside the fulmo gt/elysium/strike x st but the hassle of not having proper mounting holes is big enough that i advice against it. use a thick 240mm rad and you will end up less than 1ºC of the Nepton 280L, which is a thin 280mm rad. another problkem is that fan selection on 140mm is pretty limited, and high pressure 140mm fans are even harder to find. while i do use 140mm fans on both coolers, using thicker rads( 35-38mm thick) with 120mm fans would net me pretty much the same results.
 
H100i is a very good AiO, but i am not sure if it compatible with Indigo Extreme TIM. Good cooling is important with the SR2 because one can keep CPU temps below 60ºC at lower fan speeds. My build only enters 60ºC+ at load when i choose Vcores above 1.27. 
I advice any of the these: Glacer 240/ H220X/ Thermaltake water 2.0 extreme as good options for AiO cooling, if you can find them for sale on your country, which i can't.

@yorkman
 
thx for your pm,i am in the momend not alowed to pm you back.so i do it dis way.
i am runing singel cpu,hope to upgrate in a mont or two whit a second x5690 cpu
the cooler thad i use is a Prolimatech SuperMega, xigmatek elysium case and for ram's i use now corair dominator gt 2000 before this it was geil evo corsa 2133

Not sure why you wouldn't be allowed to pm me.
 
Seems like 2 air coolers is the only way if you want to use dual xeons because I've yet to find a case that will support two water coolers (such as H100i) . The xigmatek looks like a real nice case and I wish I could buy it but it's not being sold anywhere, not even online. To OC your X5690 to 4.75 GHz is really something, esp. on air. You must've got an awesome chip. Here I'm hoping to achieve 4.50 GHz with two water coolers but that'll depend on the chips I will receive once I know exactly what components to buy and where to buy them from. Right now a case that'll hold two radiators is the main thing holding me back...that and not knowing which cooler to go with. The Nepton 280L is supposed to be good but most people say it's quite loud.
 
And if I go with 2x air coolers then I want the absolute best...by that I mean lowest temps at 100% load and also the quietest possible. Is yours that one? I didn't see it available online anymore so I have to assume that's a no.
 
You just posted at the same time as me. I'm in Toronto and none such cases are available here except the Obsidian 900d (I assume you also meant 900d not 9000) which supports HPTX but I'm not sure if it supports two radiators.

idd its the 900d
and it have some radiator mount options
front up to 360mm
top up to 420/480mm
rear 120/140mm
side up to 420/480mm

the psu in the Corsair Obsidian 900D is 90° fliped on his side.so the rad on the bottem sits in front of the psu
frozencpu.com has some hptx ( caselabs and littledevil )and other cases on ther site and as you ar from toronto so its whan of the possibel online stores

if i stay on air when i buy my second x5690 cpu it whil be agen the Prolimatech SuperMega if stil on sale on highflow.nl
but noctua have also some good coolers.
or i start to mod the case to fit my black ice xtreme 560 and buy some ek water blocks and maybe put the bord on water to.
and i think its beter to go whit water. the noctua and prolimatech ar +-1kg havy ,its alredy bending a bit whit 1 cooler.

The enermax will cost me $500 at the door so that's definitely the most expensive, not cheapest. Yes, I saw Rosewill last night and was considering it...but I can't determine for sure if it'll fit two Nepton 280L coolers...or at least two H100i's, with hdd's installed and a PSU.

this is a "Blackcock" Ultra with quad Xeons 2011 and quad Krakens X40!!

Is that yours? Can you post a pic that shows the two radiators installed? What cpu, clock speed you getting with that setup? And that doesn't look like the SR2 board.