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AMD Zosma 960T/1600T/1605T CPU Club - Page 76

post #751 of 2790
Quote:
Originally Posted by The Fryer View Post

anyone know what the max TDP is for the 960... i am pushing 48*C atm under full load, and want to push more.

My CPU-ID rates it at 118. I can't be entirely sure as I have no equipment to test that. I found this in an overclockers.com thread though

Quote:
"Answer Found After Testing.. Trents is right of course about the locked cores.
Phenom II 960t Power Consumption Unlocked to 5 cores, and Overclocked to 4.045 GHZ @ 1.45 V.
.
960t CPU "UNLOCKED" Power draw = 162 Watts at load 5 cores 4.045 GHZ overclocked
960t x4 "NOT UNLOCKED" Power draw = 135 Watts at load 4.045 GHZ overclocked
.
Phenom II 1100t x6 clocked to 4.2 GHZ @ 1.465 V. power draw = 159.6 Watts.
.
Ran tests both Locked and unlocked for the 960t and this is what you can most likely expect unlocking to 5 cores, I have no info for 6 cores because my 960t won't unlock the 6th core.
.
Tests were run on my Asus Saberttoh 990fx with Phenom II 960t, and an Asus Crosshair V with a Phenom II 1100t, and both sets of numbers are most likely "SPOT ON".
The 960t test was run both "LOCKED" at 4 cores, and "UNLOCKED" to 5 cores and the differances in power draw was compared, and calculated, not in my head mind you, but by Power benchmark/monitoring software... Better than guessing at this point.
.
Tested at V-CORE of 1.45 volts Load Line Calibration set to 110%.
Will test again "TOMMOROW" adjusting CPU V-CORE to 1.48 with Load Line Calibration bumped to 120%, and I suspect power draw to increase, and I may post detailed results for all of those wondering what to expect from unlocking to 5 cores.
"DISCLAIMER": Results will most likely be differant from Chip to Chip and Mobo. ALSO, these readings could be totally wrong, but this is the best anything "ANYWHERE" that I could find would read..
.
What do you guys think..?? Should people be worried about 1000MHZ overclock possibly juicing up to 162 watts..?? TDP anyone?"
post #752 of 2790
wow, ok i admit it.. i messed up.. i ment max temp for the 960t sorry.. but it is good to know that this thing can draw some power.. will need better vrm cooling.
post #753 of 2790
It's a Thuban...TJMax is 70C. Most people on here advise to keep it under 62C. Some people even like to keep it under 55C at load. I'm not too bothered since Prime95 is such a synthetic stress test...Mine runs about 15C cooler irl than in Prime. I use prime for stability testing, not temps.
post #754 of 2790
Quote:
Originally Posted by The Fryer View Post

anyone know what the max TDP is for the 960... i am pushing 48*C atm under full load, and want to push more.

here is an old thread with some info that might help. assuming we agree that our zosma is actually a thuban.

http://www.overclock.net/t/931241/interesting-information-from-amd-about-1090t
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post #755 of 2790
Quote:
My CPU-ID rates it at 118. I can't be entirely sure as I have no equipment to test that. I found this in an overclockers.com thread though

Mine says 161 but I don't think that is correct. here is the validation for CPUID
http://valid.canardpc.com/show_oc.php?id=2273935

CPUID.jpg
That is stable with prime and other tests and benchmarks.

Funny thing is when my CPU is used my vcore goes down and when at rest it goes up. 1.37 up to 1.40
post #756 of 2790
Quote:
Originally Posted by mayford5 View Post

Quote:
My CPU-ID rates it at 118. I can't be entirely sure as I have no equipment to test that. I found this in an overclockers.com thread though
Mine says 161 but I don't think that is correct. here is the validation for CPUID
http://valid.canardpc.com/show_oc.php?id=2273935
CPUID.jpg
That is stable with prime and other tests and benchmarks.
Funny thing is when my CPU is used my vcore goes down and when at rest it goes up. 1.37 up to 1.40

ON second thought when looking at the previous statement about the 1100T OC to 4GHZ maybe that is correct. Hmm. Second thoughts now are creeping into my mind
post #757 of 2790
Quote:
Originally Posted by mayford5 View Post

Funny thing is when my CPU is used my vcore goes down and when at rest it goes up. 1.37 up to 1.40

You are experiencing Vdroop. But if you are running stable then no worries.thumb.gif
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post #758 of 2790
Quote:
Originally Posted by selectstriker2 View Post

You are experiencing Vdroop. But if you are running stable then no worries.thumb.gif

VDroop? Ok now I have heard this is a good thing but it is a bad thing as well. Which is it? Is my PSU not keeping up with my OC or is it the board? Is this something to worry about at all?
post #759 of 2790
It shows 161 when the chip is unlocked and running as a Thuban, otherwise it shows the Zosma TDP. Remember, this is a Thuban, so it has Thuban TDP.
post #760 of 2790
Quote:
Originally Posted by mayford5 View Post

Quote:
Originally Posted by selectstriker2 View Post

You are experiencing Vdroop. But if you are running stable then no worries.thumb.gif

VDroop? Ok now I have heard this is a good thing but it is a bad thing as well. Which is it? Is my PSU not keeping up with my OC or is it the board? Is this something to worry about at all?

No it happens with every system when the CPU comes under load. That's why most boards come with LLC (Load Line Calibration) LLC increases the voltage a little bit when under load to keep the Vcore constant between Idle and Load situations. Nothing to worry about, its natural.
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