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Stupid question. Just curious.

post #1 of 9
Thread Starter 
Would a 1055t @3.5Ghz run the same as a 1090t @3.5Ghz!

95w chip seems appealing to me
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post #2 of 9
Quote:
Originally Posted by lyster View Post
Would a 1055t @3.5Ghz run the same as a 1090t @3.5Ghz!

95w chip seems appealing to me
Yes.
post #3 of 9
Yes, but, as soon as you overclock it, it will use more than its rated Watts, in fact, it will likely be an inferior chip to the 1090t and thus will probably need a higher voltage and thus more power to run at that speed. (Please correct me if I'm wrong)
    
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post #4 of 9
Quote:
Originally Posted by Crabid View Post
Yes, but, as soon as you overclock it, it will use more than its rated Watts, in fact, it will likely be an inferior chip to the 1090t and thus will probably need a higher voltage and thus more power to run at that speed. (Please correct me if I'm wrong)
Generally speaking that is correct, but not always. There are a lot of diamonds in the rough when it comes to buying AMD chips.

I believe both those chips are off the same manufactured wafer, meaning they are in principle the same construction. However, chips that are sold as "1090t" are ones that came out of the wafer with less imperfections and thus tend to perform better than the more imperfect chips that get rated "1055t".

But as I said, AMD consumers often find their chips performing well above their classification...my 955 BE for example easily performs as well as my friends 965 BE; granted his is a C3 and mine is a C2, so they aren't technically from identical wafers, though C3 is manufactured better and mine still keeps up with minimal voltage and decent temps.

So to answer your question: yes sometimes but it would depend on how good of a 1055t you got.

EDIT, PS: Also it should be noted that when comparing two classifications of AMD chips from the same wafer, it is generally a rule that the higher rated chip will have more overclocking headroom.

Therefor, a 1055t can often be overclocked to the speed of a 1090t without any voltage increase, but the 1090t would undoubtedly reach a higher maximum overclock if you pushed both chips to their limits. This is not always the case as it is not a perfect system, but most fo the time it is true. Hope that helps
Edited by stonedzen - 1/1/11 at 10:19am
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by stonedzen View Post
Generally speaking that is correct, but not always. There are a lot of diamonds in the rough when it comes to buying AMD chips.

I believe both those chips are off the same manufactured wafer, meaning they are in principle the same construction. However, chips that are sold as "1090t" are ones that came out of the wafer with less imperfections and thus tend to perform better than the more imperfect chips that get rated "1055t".

But as I said, AMD consumers often find their chips performing well above their classification...my 955 BE for example easily performs as well as my friends 965 BE; granted his is a C3 and mine is a C2, so they aren't technically from identical wafers, though C3 is manufactured better and mine still keeps up with minimal voltage and decent temps.

So to answer your question: yes sometimes but it would depend on how good of a 1055t you got.

EDIT, PS: Also it should be noted that when comparing two classifications of AMD chips from the same wafer, it is generally a rule that the higher rated chip will have more overclocking headroom.

Therefor, a 1055t can often be overclocked to the speed of a 1090t without any voltage increase, but the 1090t would undoubtedly reach a higher maximum overclock if you pushed both chips to their limits. This is not always the case as it is not a perfect system, but most fo the time it is true. Hope that helps
So that would make the 1100T an even better chip???
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post #6 of 9
Quote:
Originally Posted by lyster View Post
So that would make the 1100T an even better chip???
Propably only in some cases, and the difference would be minimal. My 1055T gets more or less the exactly same cinebench 11.5 score as 1090T or 1100T at 3.5ghz.
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post #7 of 9
Quote:
Originally Posted by lyster View Post
So that would make the 1100T an even better chip???
Price/performance is always a gamble with AMD.

What you need to know is this: Any chip you buy will run as it should at stock clock. However when buying different rated qualities of the same chip, many buyers find that the higher quality chip will overclock better.

Hence,

*You may buy a 1055t for $220 that will overclock to 3.8ghz and no higher. You also may buy a 1090t for $280 that will only overclock to 3.8ghz and no higher.....hence, in this case you were better off saving the $60 and getting the 1055t.

however....

*You may buy a 1055t that will overclock to to 3.8ghz and no higher, while the 1090t you could have bought would have overclocked to 4.3ghz.

It all depends on the real world quality of the chip you get in the mail.

The decision should be determined by your overclocking goals, your budget, and how much you are willing to gamble on a lower rated chip (that in this case came from the same wafer as the higher quality chip).

Hope this is more helpful than it is confusing


Edit: it also depends on what you are doing. If you intend maximum overclock for bragging rights, the higher rated chip will most likely go higher. If you are just gaming and casual use, you would be better off saving the extra money for a video card or higher quality motherboard.......there are far more bottlenecks in a systems performance than just the CPU (Northbridge, video card, RAM, and FSB)
Edited by stonedzen - 1/1/11 at 8:38pm
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post #8 of 9
Like Stonedzen said it's a gamble, but when you get a "golden" chip you can smile knowing you got one awesome chip

Edit: Just experiment with it and see where it's limitations are.
Edited by Kratthew D. Kraids - 1/1/11 at 8:48pm
    
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post #9 of 9
Quote:
Originally Posted by Kratthew D. Kraids View Post
Like Stonedzen said it's a gamble, but when you get a "golden" chip you can smile knowing you got one awesome chip

Edit: Just experiment with it and see where it's limitations are.
Example of Golden Chip
I have a 555 C3 that unlocks to 3 cores and I need 1.4v for 4.0ghz. Most 555 C3 needs between 1.5v-1.55v for 4.0ghz.
Edited by dixson01974 - 1/1/11 at 10:33pm
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