AMD FX OC'ers Club

[erocker]

O

mooooooar results erocker!

I would like to request that someone disables four cores to see if you can achieve a higher clock with less power consumption, please.

^^ same.

Thanks erocker. Just also wanted to check what are your ambient and also are you using the additional 4 pin CPU power plug on the board?

Oh and one more thing, how are you checking power consumption?

*Blah. It's going on the test bench now. Bad Windows install... I don't know.

I've been having RAID issues. Instability can cause a RAID to go haywire and it did. First time surprisingly so I've been lucky. It took me a while to realize it was the RAID that was causing my issues, so that's what I've been doing all night. Hopefully, no more blue screens.

Ambient is 23c. I'm not currently using the extra 4 pin connector, though I probably will try it eventually once I go for higher clocks. I might disable cores eventually and try OC'ing as well. I'm measuring power with the LED display on my UPS.

 

[LifeOnMars]

Only 43 GFlops @ 5GHz??? That sounds terrible, am I missing something?

 

[dumo]

Memory/NB test with Gskill 2133 C8 and SS cooling

 

[DrunkenMafia]

Shit that memory b/w is huge Dumo!!

On another note, has anybody got a 8120? I got one coming from the states (thanks TIG ) There were no 8150's in stock.

 

[AsRock]

what would you estimate power draw at ?

With the other hardware in my system specs minus the 2500k and AsRock board.

5ghz under load at 1.475v 500w

4.7ghz under load at 1.375v 400w - idling at 220w

Hell of a temp difference too.

 

[martthefart]

erocker is the bd chip as bad as all the reviews say?

 

[johnnyfiive]

One thing I'm seeing that is pretty common across the board is the voltages needed to hit certain frequencies. Looks to be similar to what dumo and erocker are reporting, compared to reviews and posts on xtremesystems.

 

[martthefart]

think i will get 1 ,will there be much better than my 1090t ?????

 

[TheoneandonlyMrK]

With the other hardware in my system specs minus the 2500k and AsRock board.

5ghz under load at 1.475v 500w

4.7ghz under load at 1.375v 400w - idling at 220w

dosnt seem that bad to me with 2x 6950 in plus drives and fans etc id wager my ol rig uses way more, have you overclocked your memory alongside that lovely cpu oc Erocker? im interested in the effect all over ocin has on performance ,its nice to see ya pushing the bus not just the multis that works v well on ol core 2 quads

I've been having RAID issues. Instability can cause a RAID to go haywire and it did. First time surprisingly so I've been lucky. It took me a while to realize it was the RAID that was causing my issues, so that's what I've been doing all night. Hopefully, no more blue screens.

must be that time of year im just putting stuff back on after a raid crash that didnt look like one(my pc got dissassembled a few times as it didnt look like raid issue) and how useless is ms's backup and recovery grrrr

 

[repman244]

think i will get 1 ,will there be much better than my 1090t ?????

http://www.hardwarecanucks.com/foru...md-bulldozer-fx-8150-processor-review-21.html

+ higher consumption, I would suggest you to stick with PII for now...

 

[TheoneandonlyMrK]

from them charts id say if you dont expect to be buying any new soft then stick with ph2 but if you expect to buy software wrote this year you could poss net upto 40% better performance old shit runs about the same new soft works better on it

 

[martthefart]

ok cheers will wait afew months see what happens martyn

 

[johnnyfiive]

think i will get 1 ,will there be much better than my 1090t ?????

I honestly don't think it will make you step back and go 'wow, this blows away my 1090t'.
I had that feeling when I went to sandy bridge from my x58 setup and compared to my 1090t setup at 4.5 my sandy bridge setup at 4.5 or beyond makes that seem... well.... out of the same league.

Bulldozer obviously isn't the performance jump that sandy bridge was from nehalem, we all know that. But if you want an '8' core that overclocks easy and may have a performance increase up its sleeve under windows 8, jump on it. But I guarantee in about a month or two we will see some price drops so if you can wait I would. I plan on waiting before buying, but I may end up getting a 2700k and skipping bulldozer altogether. My current 2500k is multiplier walled at 49 whereas my first one happily went over 50 as long as you kept it voltage happy. I want to love bulldozer, but everytime I see results from fellow enthusiasts, the bulldozer sparkle in my eye slowly dwindles. :[

 

[Wrigleyvillain]

Well in and of themselves these clocks are noice to say the least. Certainly will keep an eye on this thread.

 

[TheLaughingMan]

Unless your CPU is a few generations old or your are running at least 2 GPUs, its just not worth switching to a Zambezi chip. Those of us on 1 GPU with a Phenom II X4 970+ or X6, it will be a lateral move with the exception of a few things. If you are running 2 or more GPUs, then the memory bandwidth should breath some life into your AMD rig if the CPU was choking them. I say if because some duff will be Crossfiring two 6770 which are not being choked, they just suck....respectively. If you got two 6950s and running a Thuban, you should see a lot of improvement there.

P.S. I call BS on those 7-Zip results.

 

[cadaveca]

So, any specific tips to get past a wall you've found when clocking?

Good to hear BD mem speeds hel Crossfire, validates what I've been saying for months.

 

[de.das.dude]

I would like to request that someone disables four cores to see if you can achieve a higher clock with less power consumption, please.

like i got 4ghz on stock cooling on my x4 ?

 

[TheLaughingMan]

So, any specific tips to get past a wall you've found when clocking?

Good to hear BD mem speeds hel Crossfire, validates what I've been saying for months.

I am still trying to sort out what is the issue. I know it is not heat. The temperature readings seem to be accurate. Northbridge and HyperTransport voltage bumps help once you get to around 4.5 GHz. Around 4.7 GHz it becomes more about finesse as voltage bumps start to either not help or make things worse.

There seems to be some kinda of voltage load fail safe. I got it up and testing at 4.9 GHz, but when I ran a OCCT it didn't crash. It instead started running at only about 58% load and the OC started reading 4.2 GHz.

After I switch to water I am going to play with the bus since the multiplier is not giving me anything else.

 

[dumo]

I asked a friend that tested early BD sample and he said that....

"BD has a massive trip point if the current raised too high. When the VDD is bumped to 1.51V the power consumption increases to 310W. In normal conditions this is not possible, but because the trip point for leakage current has been reached the power consumption simply gets out of hand. To get the leakage current back down the temperature must be lowered".

 

[Damn_Smooth]

like i got 4ghz on stock cooling on my x4 ?

Exactly. And they are supposed to perform better as a quad, so higher clocks, more performance and less power draw is a win.

 

[TheLaughingMan]

I asked a friend that tested early BD sample and he said that....

"BD has a massive trip point if the current raised too high. When the VDD is bumped to 1.51V the power consumption increases to 310W. In normal conditions this is not possible, but because the trip point for leakage current has been reached the power consumption simply gets out of hand. To get the leakage current back down the temperature must be lowered".

Or you can back the voltage down.

 

[nt300]

Can somebody switch off one core per module (1 Module = 1 Core on and 1 Core off) to make the 8150 a 4 core CPU then benchmark it.

 

[TheLaughingMan]

Can somebody switch off one core per module (1 Module = 1 Core on and 1 Core off) to make the 8150 a 4 core CPU then benchmark it.

There is suppose to be a BIOS update for the ASUS Crosshair V that can do that. To me it sounds like AMD is using ASUS are trying to avoid sending new chips for 6 and 4 core to reviewers. So it is possible with that board, but I don't think that will be a universal thing.

 

[Damn_Smooth]

Can somebody switch off one core per module (1 Module = 1 Core on and 1 Core off) to make the 8150 a 4 core CPU then benchmark it.

This isn't a benchmark thread. It is for overclocking only. I think there should be an official benchmark thread too though.

 

[erocker]

This isn't a benchmark thread. It is for overclocking only. I think there should be an official benchmark thread too though.

No it's for benching too. The last thing anyone needs is another damn Bulldozer thread.

So, my FX is on the test bench now. Getting blue screens at stock and right now I don't know what the problem is. Possibly my SSD. Anyways no time until Sunday to work this crap out.

erocker is the bd chip as bad as all the reviews say?

All the reviewers are liars. This is the best chip evar!!!11!1