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Best for BOINC Crunching Intel V AMD

post #1 of 5
Thread Starter 
So a little bit of background, I am saving up to put together a state of the art machine that would be absolutely phenomenal at boinc crunching when it is not being used, and used for games the rest of the time. But when it comes to the CPU I have been stymied between AMD and Intel, that and the people I often discuss Tech things with seem completely torn on the issue.

As more cores = more projects, and Intels ability to hyper-thread = 2 projects for each core. I almost feel an intel CPU would be better as it tends to preform better on benchmarks relating to floating point operations, which is what a majority of BOINC projects require a heck of a lot of.

The other side of the story is, I have never been that sure if the benchmarks on the entire CPU as a whole or each individual "core" so I am worried that hyper-threading actually reduces the resources put forth into each project, and as such an AMD processor with a lot of cores, would have the full resources of each core dedicated to each project. I.e an 8 core AMD processor is crunching 8 projects with 8 cores, while a 4 core i7 is crunching 8 projects, with 2 for each core.

This debate has me going in circles and I am honestly not sure, as every bench mark I find seems to address the CPU as a whole, and not individual cores/ threads performance.

Granted I am sure I am going to get some AMD fans and some Intel fans insisting theirs is best, but honestly, which would be ideal?
post #2 of 5
Hyper threading adds about 60% to the load on a core, judged by the extra heat produced.
Don't expect 8 threads = 2 x 4 cores, two quad core PC's would out perform one eight threaded PC.
AMD also share silicon between the pairs of cores, so compromise here again.

Check out the BOINC section for the performance spreadsheet.

HTH

dunx

P.S. Way more work is done on the GPU these days, choose one to suit the projects you will support. I ended up with three GTX 460's a pair of HD5870's and a GTX 480 in my collection.
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post #3 of 5
Thread Starter 
Thank you. Yes I do know about GPU crunching, but currently there are still some projects that do not quite have GPU support, such as World Community Grid.
post #4 of 5
Quote:
Originally Posted by AdamMY View Post

Thank you. Yes I do know about GPU crunching, but currently there are still some projects that do not quite have GPU support, such as World Community Grid.

I've heard AMD GPUs are nice for BOINC whereas nVidia is favoured in folding@home, correct me if I'm wrong.

A single one of my 6850s are fine in both folding@home though. Nothing special though.
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post #5 of 5
Depends on the project you run some are better optimised for AMD or Nvidia hence my mix of GPU's
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Wee black box
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Boinc Box
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CPUMotherboardGraphicsGraphics
i7 - 960 Asus P6T7 WS Revolution with MIPS water blocks. XFX HD 7950 + waterblock Powercolour R9 280X 
RAMHard DriveHard DriveOptical Drive
Crucial Ballistics Tracer 6 x 4Gb 2Tb WD caviar green Crucial M4 64 Gb SSD  Sony NEC DVD  
CoolingOSMonitorPower
Apogee Drive + Allphacool 180mm rad W7 Dell 29" 21:9 IPS monitor Coolermaster 1250W PSU 
CaseAudio
Antec P280 Scythe Kama Bay Speaker 
CPUMotherboardRAMHard Drive
i7-4770K Asus Impact VI HyperX beast 2400MHz 2x 8Gb WD 1Tb caviar black x3 
Hard DriveCoolingOSMonitor
Intel X-25 SSD 80 Gb Corsair H80 W7 Panasonic 32" HDTV 
KeyboardPowerCaseOther
Keysonic wireless Silverstone 450 W SFX PSU Fractal Design Array R2 Griffin Powermate 
CPUMotherboardGraphicsGraphics
i7 870  Asus Maximus III Formula GTX 480  HD 5870 
RAMHard DriveCoolingMonitor
OCZ 4x 2Gb  WD 2TB Green Corsair H70 Dell 17"  
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Coolermaster Silent Pro 750W NZXT Panzerbox 
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