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Is there a good i7 3770K batch number? - Page 29

post #281 of 467
I have a "D" and it does 4.5 @ 1.19
24/7 stable temps max load : 65-72
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post #282 of 467
Quote:
Originally Posted by XenDeltaPhi View Post

Did all of the above!biggrin.gif
Right now I have 4.8 running stable at 1.33v ( a bit higher than i expected but i am not too worried) with load line calibration on Extreme (probably could lower to Turbo for a slight vcore droop to help temps) . I'm seriously considering delidding it. Some of my friends running Sandy are encouraging me to do it.

Batch # 3236B814
Serial- 2874

Has anyone compiled comprehensive list of Ivy Bridge Batch and Serial numbers?

I think the below list from page 15 in this thread and what LagunaX posted together with a few other threads from different Forum's are about the best you will find. The results are scattered all over.

I think the below from sakerfalcon in one of the best "lists" you will find.

http://www.overclock.net/t/1348988/is-there-a-good-i7-3770k-batch-number/140
Quote:
Originally Posted by Koniakki View Post

Excuse the self-quoting please. So I have found the additional 2 batches.

3230b373
L230B575

That 3230B batch seems really good based on what I'm hearing/reading.


Edit: Thinking of buying the 3 below batches and I keep the best of the 3 and sell the other 2.

L221B372
3246C531
3230b373

Btw a little update on my hunt for a good chip. I ordered the Costa Rica 3230b373. Lets hope is a good chip indeed.

I will post the results when it arrives.
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post #283 of 467
So because Haswell is out now, I bought an Ivy 3770k last night lol.

Batch 3244D194. Played around quickly with it, changed it to 4.5giggles @ 1.2v and it seemed to run with no issues (didn't try less). Then tried 4.6 but it wanted 1.21v. But these are just IBT, Cinebench and game bench runs (no crazy 24hour prime tests).

Anyhow, this batch.. haven't seen many comments but any ideas if it falls under bad/ok/good?
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post #284 of 467
Id say if it turns out 4.6 is in fact stable at 1.21v then you have what looks to be a good chip but just be aware things can go pear shaped rather quickly as some other members found out, meaning nice low vcore then all of a sudden high vcore in 1 core multiplier step, its only then will you know how good your chip is.

For instance take my chip

4.6 @ 1.300vcc *may have needed less voltage but didn't test
4.7 @ 1.300vcc
4.8 @ 1.330vcc
4.9 @ 1.408vcc *wasn't prime stable

and then another member has for example

4.8 @ 1.320vcc
4.9 @ 1.340vcc
5.0 @ 1.370vcc
5.1 @ 1.450vcc

as you can see our chips were reasonably matched at 4,8 and considered quite good but after that there no comparison making mine good and the other great.
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post #285 of 467
hmm ok, thanks I'll see how it goes up.

Another question. I've seen few CPU-Z validation and their stepping is E1 while mine and others is E1/L1. What's the difference there?
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post #286 of 467
Forgot to post my numbers in this thread. I know myself and another on OCN got this batch and are both able to do 5ghz at ~1.4v. This is a really lovely chip and I'm fortunate to have gotten it.

Batch# 3243C807. 16 hour prime test!



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post #287 of 467
Sitting here with a sealed 3770K. Batch number is: 3302B543 (Costa Rica 2nd Week of 2013, Stepping B)

I won't be able to test the OC headroom any time soon (no cooler ATM, saving for custom water loop) so I was hoping for someone to tell me what to expect out of this chip. I think that for my upcoming loop a stepping A chip would fit better, but who knows. Seems like a fresh chip though.
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post #288 of 467
Quote:
Originally Posted by Daredevil 720 View Post

Sitting here with a sealed 3770K. Batch number is: 3302B543 (Costa Rica 2nd Week of 2013, Stepping B)

I won't be able to test the OC headroom any time soon (no cooler ATM, saving for custom water loop) so I was hoping for someone to tell me what to expect out of this chip. I think that for my upcoming loop a stepping A chip would fit better, but who knows. Seems like a fresh chip though.

chances are you might have a good clocker there even tho it is still the lottery, especially since it is a newer batch which are suppose to clock pretty good. thumb.gif
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post #289 of 467
Quote:
Originally Posted by stubass View Post

chances are you might have a good clocker there even tho it is still the lottery, especially since it is a newer batch which are suppose to clock pretty good. thumb.gif

Aye, that's what I'm thinking as well. Guess I'll have to wait it out and see...

(Delidding is also in my plans, if this gets to 4.6 with reasonable voltage.)
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post #290 of 467
The one I just killed trying to delid was batch #L246C202 is that a good or bad batch, I could do 4.5 at a minimum of 1.2v, any less and it blue screened. In a way I'm kind of happy mine died because it gives me a chance to try get a better batch thumb.gif
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