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can someone help me understand the difference in CPU cores

post #1 of 19
Thread Starter 
ok guys sorry about this, but i've been wondering about some of the cores and steppings that you guys have been talking about. mostly im wondering what an opteron is. i know the XP's, x2's, and most of the 64 stuff. because the models are just the name and a number like 3800, 4800, ect. opterons seem to be different (ex opteron 146) why are they named different, and what makes them different than say a 64 3800+, or my 2600+?

oh and was wondering what signifigance the steppings have, apparantly they are important, what what exactly do they mean, and what are good ones?

thanks guys
post #2 of 19
Thread Starter 
im sure that there are at least a couple of you out there that know what this means, i just want an explanation.
post #3 of 19
opterons were for servers mainly but since they changed them over to socket 939 from 940 they are used in desktops as well. they are basically the same as the san diego chip, 1mb l2 cache and i think the 146 is 2.2 ghz. so it is equivalent to a san diego 3700+. steppings are when the chips were made and that often dictates if they came from a good overclocking batch or not.
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post #4 of 19
The 'Opteron's' are server CPU's and are made from a higher quality Silicon, this makes them more stable and they also use the same core as the 'San Diego' chips, so they have 1MB L2 Cache and also appeal to the Overclocking community.

The Opteron 144 has a clockspeed of 1800Mhz
The Opteron 146 has a clockspeed of 2000Mhz
The Opteron 148 has a clockspeed of 2200Mhz
----THE FOLLOWING HAVE NOT BEEN RELEASED YET----
The Opteron 150 has a clockspeed of 2400Mhz
The Opteron 152 has a clockspeed of 2600Mhz
The Opteron 154 has a clockspeed of 2800Mhz

The Opteron 165 has a clockspeed of 1800Mhz but is a Dual core CPU

As for the name's you ask about:-

Clawhammer, Sledgehammer, Winchester, Venice, San Diego ect...

These are the name's of the core's of the Athlon64 Processors

The Sledgehammer core was used on the first Athlon64 FX CPU's and featured 1MB of L2 Cache, it was a 130µm core

The Clawhammer was the first core to be used on the Athlon64's, it has 512kb of L2 Cache but produced quite a lot of heat, it was a 130µm core

The Winchester was the first AMD Processor to use the 90µm Technology, this allowed for the core to be smaller and also to produce less heat and use less power, i believe Cool'n'Quiet was first used on this range of processor's.

The Venice core is also a 90µm core, it fetures the same speed's as the San Diego core's but it only has 512kb of L2 Cache, it's highest model is the 3800+ which run's at 2.4Ghz, the same clock speed as the 4000+ but the 4000+ has 1MB of L2 Cache

The San Diego core, this features 1MB of L2 Cache and is based on the 90µm Architecture, it's highest model is the FX57, which run's at 2.8Ghz.

The Manchester core is also a 90µm it features 1MB of L2 Cache and is used on 3 of the X2 Processor's, the 3800+, 4200+ and the 4600+, as there are two core's there is 1MB of L2 on each.

The Toledo core is also a 90µm it features 1MB of L2 Cache and is used on 2 of the X2 Processor's, the 4400+ and the 4800+, as there are two core's there is 1MB of L2 on each.

If you would like to know anyhing else then PM me

Thanks

PetrolHead
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post #5 of 19
Everything the guy above me said
+
Opteron single cored cpu's have cores codenamed "Venus" not to be confused with venice.
Dual core opterons are codenamed Denmark.

EDIT: All the opterons listed above as not released are released. they are on newegg including the 154 for $1000+ . wow.

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post #6 of 19
In addition to what PetrolHead & What? have stated.

The Dual Cores can also show up in CPUz as:

165/170/175 - Toledo
180 - Italy
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post #7 of 19
The are amazing for overclocking! I saw aguy on here yesterday (He had screen shots) who got his up to 3.2GHZ stable. He had shot of him reaching like 3.5GHZ but I dont think it was all that stable. Also I forget the number he had but I think the stock speed of it was 2.2GHZ. I was very impressed and kinda turned on.
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post #8 of 19
A link on the 939s
Opterons
All_the_others

No one mentioned the "Egypt" 8XX
    
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post #9 of 19
Quote:
Originally Posted by Commander Kool
The are amazing for overclocking! I saw aguy on here yesterday (He had screen shots) who got his up to 3.2GHZ stable. He had shot of him reaching like 3.5GHZ but I dont think it was all that stable. Also I forget the number he had but I think the stock speed of it was 2.2GHZ. I was very impressed and kinda turned on.
Click on the Opteron Link in the post above yours ..

... now 340x10 Stable
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post #10 of 19
Quote:
Originally Posted by PetrolHead
The Manchester core is also a 90µm it features 1MB of L2 Cache and is used on 2 of the X2 Processor's, the 4400+ and the 4800+, as there are two core's there is 1MB of L2 on each.
PetrolHead
I think what you meant in this line was Toledo core, and not to list the Manchester twice.
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