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C32 vs. G34 vs. X58 Options - Page 5

post #41 of 42
Thread Starter 
Quote:
Originally Posted by G3RG View Post

Definitely not at the stock speeds. Especially if you take 2 threads away.


Really? :/ Sigh. This is not what I expected to hear lol. I didn't think it would be crushing any TPF records, but thought it would at least manage to finish with a minute or two to spare in each frame, even running just 22-23 threads.
Quote:
Originally Posted by Blameless View Post

I'm uncertain. I haven't run BigADV since they were viable on a single ~4GHz Gulftown.

Since there are 2P 1366 boards that can OC, and since you are virtually guaranteed a 50%+ OC on the L5639s, I would probably be willing to fork over the extra money for something (like a used SR-2) to take advantage of that. Obviously, this can't happen if standard ATX form factor is an absolute requirement.

With a less OCing oriented board, you might still be able to force full turbo multipliers, and adjust the uncore clock higher, to squeeze out some more performance, but I would very carefully reasearch the capabilities of any board you were looking at before pulling the trigger.

Also, I would expect one thread to enough to feed the GPUs while leaving the second thread on the core folding to a useful degree. However, I am not familiar enough with Linux GPU folding to be certain the drivers are as efficient as their Windows equivalents.

I balk at the SR-2 for a number of reasons: 1. Size. She is a monster. 2. It's flaky. Some boards OC well, some don't; they're not consistent. 3. They reputably consume gobs of power. I like efficiency smile.gif 4. They're roughly ~$400, not all that much less when used. That starts to get into 4P G34 territory, and *much* more PPD.

I believe the Linux GPU drivers are about on par with Windows, especially with AMD cards. The increase in CPU PPD more than makes up for any deficiencies that might exist, I think.

I only mention the 2P L5639 scenario because I could obtain an HP Z800 board for basically nothing. It has all of the other features I desire, and could cram it into my space restrictions. Only downside is the BIOS is locked up tight.
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FX-8350 Asus M5a99fx Pro r2.0 PowerColor 7850 2GBD5-2DHE/OC + Arctic Accelero S1 Kingston HyperX 8GB 1866MHz 
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WD Blue 1 TB 7200 RPM WD Blue 1 TB 7200 RPM Asus 24x DVD-RW Zalman CNPS14X 
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Up in the Air
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CPUMotherboardGraphicsRAM
FX-8350 Asus M5a99fx Pro r2.0 PowerColor 7850 2GBD5-2DHE/OC + Arctic Accelero S1 Kingston HyperX 8GB 1866MHz 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1 TB 7200 RPM WD Blue 1 TB 7200 RPM Asus 24x DVD-RW Zalman CNPS14X 
OSOSMonitorPower
Ubuntu 14.04 x64 Windows 8.1 x64 HP w2207 Seasonic SS-660XP2 ATX 
CaseOther
Corsair 540 Air Crucial MX100 256GB 
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post #42 of 42
Thread Starter 
I ended up finding a good deal on a new SR-2, so I am going the 1366 route with two overclocked L5639's. I'll be able to fit the SR-2 where it needs to go, can find some X5660's for relatively cheap if I feel the need for more crunching power, and can use the build to replace my daily driver. Was *this* close to pulling the trigger on the Z800 based build, but the locked BIOS took all of the fun out of it for me, and limits ability to complete bigadv. If I had the room for a 4P G34, I would have definitely gone that route with 4 6128 HE's, but don't have the luxury of space for a dedicated folding rig of that size.
Up in the Air
(14 items)
 
  
CPUMotherboardGraphicsRAM
FX-8350 Asus M5a99fx Pro r2.0 PowerColor 7850 2GBD5-2DHE/OC + Arctic Accelero S1 Kingston HyperX 8GB 1866MHz 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1 TB 7200 RPM WD Blue 1 TB 7200 RPM Asus 24x DVD-RW Zalman CNPS14X 
OSOSMonitorPower
Ubuntu 14.04 x64 Windows 8.1 x64 HP w2207 Seasonic SS-660XP2 ATX 
CaseOther
Corsair 540 Air Crucial MX100 256GB 
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Reply
Up in the Air
(14 items)
 
  
CPUMotherboardGraphicsRAM
FX-8350 Asus M5a99fx Pro r2.0 PowerColor 7850 2GBD5-2DHE/OC + Arctic Accelero S1 Kingston HyperX 8GB 1866MHz 
Hard DriveHard DriveOptical DriveCooling
WD Blue 1 TB 7200 RPM WD Blue 1 TB 7200 RPM Asus 24x DVD-RW Zalman CNPS14X 
OSOSMonitorPower
Ubuntu 14.04 x64 Windows 8.1 x64 HP w2207 Seasonic SS-660XP2 ATX 
CaseOther
Corsair 540 Air Crucial MX100 256GB 
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