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Offical AMD Athlon II X3 Owners Club - Page 48

post #471 of 583
Quote:
Originally Posted by Belial View Post
It isn't that big of a drop, but since 3.51 wasn't that impressive in the first place, it's disheartening I got an aftermarket HSF for just 200mhz (i do think it makes a difference and will help with the life of the CPU though, instead of running at 55*C which is what stock settings on stock cooler would be at, Im at 40*C on an overvolt/overclock).
I know that feeling.
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post #472 of 583
So my total system overclock now:

Athlon II x3 450 3.2ghz -> Athlon II x4 3.415.8 ghz (253 x 13.5) @1.488v
CPUNB 2530.2 ghz (253 x 10)
HT Link Speed 2024.1ghz (I hear 2ghz is all you need, and unlocked athlon have stability with ht multipliers over 8)
RAM = 674.7mhz x 2 = 1348mhz CL7/7/22/31 @ 1.65v


Tested like 18 hours stable, and did about 18 hours stable when I had lower HT (which would show issues immediately anyways).

Too bad I couldn't overclock more, my temperatures never go more than 42*C, with the hottest component probably RAM (and I mean at stock speed too). My CPU never goes above 40, if not 35 depending on the sensor. Socket goes up to about 45 though. I'm tempted to just overvolt to like 1.8 but maybe my overclock tests and 1.55v one hour tests a few times were what caused my system to lose 80mhz in overclock suddenly (although incompetence at the time CERTAINLY isn't to be ruled out, although I don't think so because recreating the incompetence, still shows 'instable' at what was incompotent stability before, if that makes sense).
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post #473 of 583
4Ghz Rana wants a join

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post #474 of 583
Nice! And that's on air?
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post #475 of 583
Quote:
Originally Posted by Krusher33 View Post
Nice! And that's on air?
On lots of air

Pics here: http://www.overclock.net/amd-cpus/98...new-ath-3.html
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post #476 of 583
I was playing around with overclocking some more last night now that I have a discrete video card and still working at it.

But this morning at work I'm researching other folk's overclocks on the Athlon II 445 chips... they've got multiplier set at 15.5. Mine seems to be capped at 14.5. Is there some trick?
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post #477 of 583
Quote:
Originally Posted by Krusher33 View Post
I was playing around with overclocking some more last night now that I have a discrete video card and still working at it.

But this morning at work I'm researching other folk's overclocks on the Athlon II 445 chips... they've got multiplier set at 15.5. Mine seems to be capped at 14.5. Is there some trick?
There is some bug. 445 is stock 200x15.5, something wrong with yours.

(435 is capped at 14.5, maybe you got the model wrong? )
Edited by ronnin426850 - 4/14/11 at 10:33am
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post #478 of 583
Quote:
Originally Posted by ronnin426850 View Post
There is some bug. 445 is stock 200x15.5, something wrong with yours.

(435 is capped at 14.5, maybe you got the model wrong? )
LOL... yeah Checked my purchases and found that I bought a 435.
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post #479 of 583
How in the hell did you get 4ghz. Because if you read the last 2 or 3 pages of this thread, or just search for "450" in this thread, you'll see that everyone here had trouble reaching anything more than 300mhz. Also, did you get core unlock? One person reported getting around 4ghz but he was unable to unlock an extra core, whereas everyone else seemed to have absolutely no problem. It's like there are 2 version of the 450 Rana - 3 core with great overclock ability but completely broken 4th core, and perfectly fine quadcores disabled to tri core to meet demand that don't overclock that well.

I mean temps aren't even an issue, I push to 1.6v and I can't get 50 extra MHz to last 10 minutes (although I am rock stable at 1.488v/3.51). Very cool chip at least. Quadcore 3.4ghz is more than enough, I'm not complaining at all.

On a side note, I've read somewhere that someone got 'a lot more stability' by increasing CPUNB on an Athlon II 440 I think. I'm going to try to test that, wondering if anyone else messed with those 'other' voltages at all to any success.

edit: your validation shows only x3, so I guess your one of those people who have an x3 that can overclock but not unlock. Your voltage is pretty damn low too (i think other people with x3 that can overclcok but not unlock had pretty low voltages needed also).

I think an 3.2ghz quadcore > 4ghz tricore in performance due to lack of l3 cache and archictecture, but the 4ghz chip will definitely be better in today's applications and games which aren't 3+ core optimized yet, for the most part. I know Sc2 is dualcore optimized, so I kinda wish I had yours instead
Edited by Belial - 4/21/11 at 5:05am
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post #480 of 583
Quote:
Originally Posted by Belial View Post
How in the hell did you get 4ghz. Because if you read the last 2 or 3 pages of this thread, or just search for "450" in this thread, you'll see that everyone here had trouble reaching anything more than 300mhz. Also, did you get core unlock? One person reported getting around 4ghz but he was unable to unlock an extra core, whereas everyone else seemed to have absolutely no problem. It's like there are 2 version of the 450 Rana - 3 core with great overclock ability but completely broken 4th core, and perfectly fine quadcores disabled to tri core to meet demand that don't overclock that well.

I mean temps aren't even an issue, I push to 1.6v and I can't get 50 extra MHz to last 10 minutes (although I am rock stable at 1.488v/3.51). Very cool chip at least. Quadcore 3.4ghz is more than enough, I'm not complaining at all.

On a side note, I've read somewhere that someone got 'a lot more stability' by increasing CPUNB on an Athlon II 440 I think. I'm going to try to test that, wondering if anyone else messed with those 'other' voltages at all to any success.

edit: your validation shows only x3, so I guess your one of those people who have an x3 that can overclock but not unlock. Your voltage is pretty damn low too (i think other people with x3 that can overclcok but not unlock had pretty low voltages needed also).

I think an 3.2ghz quadcore > 4ghz tricore in performance due to lack of l3 cache and archictecture, but the 4ghz chip will definitely be better in today's applications and games which aren't 3+ core optimized yet, for the most part. I know Sc2 is dualcore optimized, so I kinda wish I had yours instead
Yep, no extra core, I tried raising the NB vots too, but it didn't help unlocking.

As of the OC, the max I reached at 1.44 was 4.16Ghz, but that overheated with my crappy cooler.
With a nice cooling solution, that'd allow me to bump the votls to 1.55 or something, I think I'd get real close to 4.5Ghz
But anyway, I gave that up, running stock now, heavily undervolted

1.175v idle and mild load
1.2v full load
1.0v NB

difference - 38Gflops @4Ghz, 31Gflops @stock
Edited by ronnin426850 - 4/21/11 at 5:41am
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My Rig
(14 items)
 
Ex-wife's Rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
Core i5 4460 AsRock H81M-DG4 Sapphire Rx470 Platinum KVR 1600 16Gb 
Hard DriveHard DriveCoolingOS
2x Seagate 3Tb Samsung 850 EVO 120 Scythe Ninja 3 Rev.B Windows 10 Pro 
MonitorKeyboardPowerCase
Fujitsu Siemens A17-2A Logitech K280e SuperFlower SF-550K12XP Thermaltake Versa H25 
MouseAudio
Logitech G402 Sony MDR XD150 
CPUMotherboardGraphicsRAM
Athlon 750K 4.0Ghz AsRock FM2A75 Pro4+ Sapphire R9 270X Dual-X Kingston 2x4Gb 1600 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 120  Western Digital 320Gb LiteON DVD-RW CoolerMaster Hyper Z600 
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Windows 7 Pro x64 Toshiba 32" FullHD TV Logitech FSP Hexa 550 
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