4GHz on AMD's 65nm process!

[ozzimark]

This would be a first, no? Since it is, it's time for the story of how this came to be, with an excessive number of smilies.

Before I get into it, here is the final result of my playtime for those who are lazy and don't want to read the whole post.
http://valid.x86-secret.com/show_oc.php?id=266059


The chip arrives, and is passed onto the quality control department. It passes!




A closer look at the processor itself. Heatspreader quality is rather poor, nothing that a few passes over some 600 grit can't fix




First up was some testing under a TDX. A pretty hard limit for stability at 3.36GHz was found with just a bit of grumbling at the temperatures



With the same ambient temps (like 63ºF ), 3.65Ghz was observed with 1.525v. More voltage was worse. I suppose heat was getting to it, so I opened a window. After dropping the load temp to 40ºC, I went for another maximum suicide run on water, and turned up with 3741MHz, which tied SillySider03 for the 5000+ Black Edition WR yesterday. I wasn't satisfied with simply tying with the fastest speed. All out is what I wanted, so all out is what I did.

Well, as all out as you can go with a 65nm AMD chip that is. Knowing very well that battling the cold bug with dry ice was going to be a very fun activity, I picked up some dry ice on the way home from work today.


(yeah, I know. Blocks of ice are lame to work with)


And set up the alu tube I have.




First thing I did was find the minimum temperature the chip could run at, which ended up being "238ºC" as reported by smartguardian, which is really -18ºC, but being a Brisbane, who knows how accurate the temperature sensors are.

After a few practice runs, I managed to get this validated:
3933.83MHz

Not a bad start, and exceptionally close to my goal for about an hour's worth of work. I'm getting hungry and need some dinner at this point, but quitting is for losers, so onward I push.

Pushing the temp down a few degrees to -12ºC and the voltage up to 1.6v + 103% for 1.648v (for those not familiar with the DFI NF590 SLI motherboard, it offers an INSANE number of vcore options), I could almost touch the magical number
3990.39MHz

Those last 10MHz were the most difficult 10MHz ever. After trying every voltage combination from 1.6v+102% to 1.6v+106% in 0.05 to 0.1% increments, and a few runs at slightly different temps with a few of the better voltages, I finally managed to break into the 4GHz region and stay stable enough to take a screenshot of it

4009.86MHz




The story ends here... for now

[tsuehpsyde]

Congrats on the new 5000+ WR and being the first AMD 65nm to 4GHz! You da man, sir.

[CCUABIDExORxDIE]

grood work marky! i mean great...and good...good and great.

[Cupcake]

No Benchmarks ?

Cmon run super pi 1m

Anyway insane job I have trouble hitting 3.2 on my FX57 lol

[3oh6]

big ups for little Mark. the man disappears for what seems like forever then crawls out of the bat cave and slaps a 4GHz validation on the table uttering only two words, "gin...ma-fukas"

[Dumo]

Congrats Ozzi

4 G is not easy for amd

[Gautam]

congrats Mark!! That's a huge OC and battling the cold bug with DI is one hell of a task? Isopropyl alcohol I'm seeing there?

Anyways if your problem is that your temps are too low, one would think you'd be able to pull off similar speeds under a load...say a 1M?

[NH|Delph1]

I'm impressed. Very nice work



I owe Fredrik $5 ...

//Andreas

[G H Z]

Looks like fun, nice work with the 5000+

[gianni-gt]

nice WR, congratz.

[stunned_guy]

That is really great work dude
The open multi is a good thing.

[quake6]

Awsome man! Good work

[SillySider03]

OMFG I have a hundred questions for you. I'd like to hook up on MSN or AIM or something so I can pick your brain. I just happen to have an aluminum pot here too

[mad_skills]

great one man, nice work

[Turrican]

great work bro

[karbonkid]

[ozzimark]

thanks for the kind words guys

big ups for little Mark. the man disappears for what seems like forever then crawls out of the bat cave and slaps a 4GHz validation on the table uttering only two words, "gin...ma-fukas"

something like that

Congrats Ozzi

4 G is not easy for amd

perhaps, but it's certainly not as difficult as it once was if I can do in one night with the first chip I tried.

congrats Mark!! That's a huge OC and battling the cold bug with DI is one hell of a task? Isopropyl alcohol I'm seeing there?

Anyways if your problem is that your temps are too low, one would think you'd be able to pull off similar speeds under a load...say a 1M?

it is indeed isoprpyl. i have a bunch of it laying around so i use it instead of acetone.
for 1M, i didn't really get around to seeing what this guy can do while benching. i need to sort out the memory controller and then tune it to try to overcome the inherent slowness of brisbane first

OMFG I have a hundred questions for you. I'd like to hook up on MSN or AIM or something so I can pick your brain. I just happen to have an aluminum pot here too

go for it. contact info is in my profile

[DeLeO]

Crazy OC
Impressed to see 4ghz on AMD

[GoldenLion]

That's AMAZING !
It is like a Ferrari F430 on a speed of 499KMph !
At least you could make some benchmark on 3.8-3.9Ghz ?
Any chance?

Good luck for your Super OC

[asterix34]

65nm amd 4ghz. Nice work,cogratulations.

[pH(x)]

Oh, good work

[George_o/c]

Congrats man ! 4GHz on and AMD ... OMG! Although I prefer 5700MHz 3D Mark benchable (you all know what I'm talkin' about ) ...

[tsuehpsyde]

The thing to note here is that a few people have done 4GHz on AMD before, but Mark is the first to do it on 65nm. I mean heck, there are 6400+'s that have done 4200MHz, but those are 90nm. Seeing this at 65nm is just awesome to say the least. Plus I mean, how many of us can say we're part of the 4GHz AMD club?

[MAS]

5000+ black edition is a new Brisbane revision G2, it is even more overclockable than Windsor F3

ozzimark, I think you kitten liked strange black box

[LIKMARK]

Congrats Ozzimark! Looks like the G2's are doing good, even under dice!