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AMD FX (Bulldozer) Owners Club! - Page 412

post #4111 of 8112
IMO BD has a yield problem. Hence performance and heat / power issues.
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post #4112 of 8112
Has anyone done a lot of experimenting with FSB/CPU balance? I know the higher you push the FSB the harder it gets to overclock the CPU so the highest clocks you end up achieving are lower but I also know that Bulldozer setups seem to really be helped with higher FSB/HT/Memory/etc.

Has anyone found that pushing the FSB/NB/HT higher to be more beneficial than pushing the CPU's speed? Or is it still better to go for higher CPU speed?
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Main Rig
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post #4113 of 8112
Quote:
Originally Posted by visionviper View Post

Has anyone done a lot of experimenting with FSB/CPU balance? I know the higher you push the FSB the harder it gets to overclock the CPU so the highest clocks you end up achieving are lower but I also know that Bulldozer setups seem to really be helped with higher FSB/HT/Memory/etc.

Has anyone found that pushing the FSB/NB/HT higher to be more beneficial than pushing the CPU's speed? Or is it still better to go for higher CPU speed?

Pushing the HTT higher rather than just the multiplier has quite a few benefits:
- Slightly better performance in benchmarks like Cinebench and 3DMark11
- Slightly less VCore needed (but more CPU-NB, NB, HTT voltages needed)
- Slightly less heat output

Some cons though:
- Much more tweaking required
- Much more reliant on quality RAM and lots of RAM tweaking to avoid lock-ups
- Might need more VRAM voltage which could reduce maximum possible CPU overclock


Overall it is better to use a combination of multiplier and HTT overclocking. Just takes a little more patience to get right.
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CHILZ - Lan Rig
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post #4114 of 8112
Just out of curiosity, on the windows load screen (where the colors com flying in) does anyone else notice the colors hang for just a split second and then continue? I thought it might have had something to do with my OC so I reset everything and it still did it. I dunno..
post #4115 of 8112
Quote:
Originally Posted by konspiracy View Post

Ya im gonna sell My 8120 as it is way too hot for my h100.
I think there are some serious leakage with these chips because, you shouldn't have to have larger than A decent 120mm rad to keep bulldozer cool.
I mean I have my thuban at 1.55vcore and 1.4cpu-nb and I hit 52c core with linpack. (with my 8120 I would hit 62c cores with only 1.45vcore OCCT)
I'm thinking about just waiting for piledriver.

Wow that is Hot. But then again YMMV, cuz i have my vcore1.41 and it never passes 41c on cores. My H100 is set to low and case fans on low(39w/case fans hi) idles @ 15c.
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post #4116 of 8112
Quote:
Originally Posted by docmccoy8604 View Post

Just out of curiosity, on the windows load screen (where the colors com flying in) does anyone else notice the colors hang for just a split second and then continue? I thought it might have had something to do with my OC so I reset everything and it still did it. I dunno..

It's normal.
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post #4117 of 8112
Quote:
Originally Posted by Cannon19932006 View Post

No, reseat your cooler with new thermal paste.
Make sure to clean off the old paste with 90% or higher isopropyl alcohol, i use coffee filters with the alcohol so i don't leave anything behind. Put 1 small bb sized dot in the center of the processor and let the weight of latching the cpu cooler down spread out the TIM.
I run mine at 4.5ghz with a 30 dollar cooler (hyper 212 evo) and only get 49c at 100% load...

its not like i didnt seat it properly from the first time.. and 2nd of all i applied new thermal paste when i installed it and cleaned of the oem paste from the get go.. i know my stuff about computer basics.. just that bulldozer right now is loud and hot.. and its not even summer time yet frown.gif
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post #4118 of 8112
Quote:
Originally Posted by Fr0sty View Post

its not like i didnt seat it properly from the first time.. and 2nd of all i applied new thermal paste when i installed it and cleaned of the oem paste from the get go.. i know my stuff about computer basics.. just that bulldozer right now is loud and hot.. and its not even summer time yet frown.gif

Alright, i'm just covering the basics is all... So your using the stock HSF, what do your voltages look like under load, And your at stock speeds W/O turbo?

If they are any higher then about 1.3v you should be able to back them down to 1.3v or lower for stock frequency. I know for most bulldozers you can hit 4ghz on about 1.3v-1.35v.... so let me know what your load volts are, and if they are high go into your bios and manually set them to like 1.25-1.35v for stock frequency. And then ditch the stock HSF asap tongue.gif
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post #4119 of 8112
Has anyone tried the Windows 8 trial with an 8120 or 8150? Better or no improvement?
post #4120 of 8112
Quote:
Originally Posted by Astrogoth View Post


Has anyone tried the Windows 8 trial with an 8120 or 8150? Better or no improvement?

A slight improvement, anywhere from 0% in everyday stuff to 10% in specific benchmarks.

You get a better improvement going to Linux though.
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CHILZ - Lan Rig
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CANARY - Main Rig
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CADILLAC - HTPC
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CPUMotherboardGraphicsRAM
Intel i5-4570s Asus H97M-Plus AMD R9 280 G.Skill RipjawsX 16 GB (2x8) 
Hard DriveHard DriveHard DriveCooling
250 GB Samsung 840 240 GB Kingston 3 TB USB 3.0 Drive Custom Loop 
OSMonitorKeyboardPower
Windows 10 Preview BenQ GL2450 Filco MajesTouch2 Ninja PC P&C Silencer Mk III 600 W 
CaseMouseMouse PadAudio
Fractal Design Core 1000 Mionix Castor Monoprice XXL JL Amps + Custom Morel Bookshelf speakers 
Other
Scythe Kama-Panel 3 
CPUMotherboardGraphicsRAM
FX-8150 @ 4.6 GHz Fatal1ty 990FX Pro 9800 GTX+ 512 MB G.Skill Ripjaws X 1866 CL9 
Hard DriveHard DriveCoolingOS
120 GB OCZ Vertex 3 1 TB WD Black 5x 120mm + MCP350 + EK Supreme HF + MicroRes Windows 8 Consumer Preview 
MonitorKeyboardPowerCase
2x Dell U2212HM Logitech G110 Cooler Master 850W Silent Pro Cooler Master 690 II Adv. 
MouseMouse PadAudio
Razer Death Adder 3.5G Staples Gel Cushion Asus Xonar DG + Senn. PC333D 
CPUMotherboardGraphicsRAM
Q6600 Acer X1800 ATI 5670 2 GB Kingston 
Hard DriveOptical DriveOSMonitor
2 TB WD Green Asus BD-R Windows 7 Home Premium Sony 50" LCD 
KeyboardPowerCaseMouse
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The TV cabinet Denon 2808 7.1 AVR + Dahlquist 350W 8" Sub + Kl... 
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