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Advice needed on the Asus method versus other methods to improve performance of an AMD cpu.

post #1 of 5
Thread Starter 
I have two phenom II's which give great performance at work. I swear by them!!

I have just purchased as a third CPU chip a new pile-driver FX-8150 that I put onto an existing AMD board being M5A99X EVO.

The performance is not as good as the old phenom II X4 965 which had been on that board!

So I am looking to increase performance for ordinary work not particularly for gaming.

If i use the automatic overclocking of the Asus motherboard it overclocks to 17X multiplier and 250 Core Speed.

This is pretty fast but not as fast as the X4 965.

So I looked to use hand methods as I had successfully used on my Phenom II X6 1100T on an old Asus motherboard.

That involved leaving pretty much leaving the core speed alone and raising the multiplier. On the 1100T 18 multiplier and 204 core speed gave me all the performance I needed and I am very happy. I realize I could have further increased both parameters.

Well when I tried this on the piledriver by hand using the Asus AI Suite 2. It crashed at only 18X!! I see others have gone to 21X and higher to increase performance without crashing. What am I doing wrong or NOT doing that it crashed at 18???

But that begs the question. Am i barking up the wrong tree attempting to increase the multiplier? Maybe I should be working on only increasing the core speed as per the attempts by the Asus Suite2 in automatic mode?

Any advice as to what methods should be used to improve the piledriver FX 8150 performance to at least to that of the old Phenom II X4 965 would be appreciated.

PS I put on the microsoft "fix" too. Maybe that is my problem??

Roe5685.
post #2 of 5
From what i just saw up there, you haven't tweaked the voltages at all. Most likely that's the reason of your crash at 18x .
Little AMD rig.
(13 items)
 
  
CPUMotherboardGraphicsRAM
Amd Phenom II x4 955 @ 4.2Ghz 1.55v MSI 970A-G46 EVGA Gtx 560 ti 8 Gb (2Gb x 4) DDR3 Kingston Hyperx blue 1600Mhz 
Hard DriveOptical DriveCoolingOS
2x WD Caviar black 1 tb in RAID 0 ASUS dvd rw dl Deepcool Icewind Pro Windows 8 Pro x64 
OSPower
Ubuntu 12.10 Corsair cmpsu-750-tx 
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Little AMD rig.
(13 items)
 
  
CPUMotherboardGraphicsRAM
Amd Phenom II x4 955 @ 4.2Ghz 1.55v MSI 970A-G46 EVGA Gtx 560 ti 8 Gb (2Gb x 4) DDR3 Kingston Hyperx blue 1600Mhz 
Hard DriveOptical DriveCoolingOS
2x WD Caviar black 1 tb in RAID 0 ASUS dvd rw dl Deepcool Icewind Pro Windows 8 Pro x64 
OSPower
Ubuntu 12.10 Corsair cmpsu-750-tx 
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post #3 of 5
Thread Starter 
thanks for that info.

i agree i have not tweaked any voltage. so my question is:

what voltage should i tweak and from what to what ( to achieve 18 to 20 ).

Thanks,

Roe5685
post #4 of 5
first off, use the bios to overclock its easyier, also the 8150 is a bulldozer not a piledriver, third you really need to up the voltage to get a good overclock, I suggest 1.4V for around 4.2-4.4Ghz... I hope you have a good cooler because these chips get hot when overclocking
Turd Burner
(18 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-8350 @ 4.9Ghz Asus Crosshair V formula Sapphire HD 7970 @ 1175/1575 AMD HD 7970 E-Sample @ 1175/1575 
RAMHard DriveHard DriveHard Drive
GSkill ripjaws X @ 2000Mhz OCZ Vertex 4 /128GB WD Velociraptor 10,000rpm /300GB WD Black /500GB 
Optical DriveCoolingOSMonitor
Asus BW-12B1ST Blu-ray Corsair H80 Win7 x64 52" Toshiba LCD 1080p TV 
PowerCaseMouseMouse Pad
cooler master 1000w silent pro M Antec Dark Fleet DF-85 Cyborg R.A.T 9 Red Tweed Couch lol 
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SB X-FI-2 
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Turd Burner
(18 items)
 
  
CPUMotherboardGraphicsGraphics
AMD FX-8350 @ 4.9Ghz Asus Crosshair V formula Sapphire HD 7970 @ 1175/1575 AMD HD 7970 E-Sample @ 1175/1575 
RAMHard DriveHard DriveHard Drive
GSkill ripjaws X @ 2000Mhz OCZ Vertex 4 /128GB WD Velociraptor 10,000rpm /300GB WD Black /500GB 
Optical DriveCoolingOSMonitor
Asus BW-12B1ST Blu-ray Corsair H80 Win7 x64 52" Toshiba LCD 1080p TV 
PowerCaseMouseMouse Pad
cooler master 1000w silent pro M Antec Dark Fleet DF-85 Cyborg R.A.T 9 Red Tweed Couch lol 
Audio
SB X-FI-2 
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post #5 of 5
What kind of work are you doing? That Bulldozer should be notably faster than a 965 in most applications.
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