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amd vs intel confused still

post #1 of 99
Thread Starter 
So I know intel is better at single core performance and amd is better at multiple core performance. If do, how come people still reccomends intel over amd for things like the 4770 over fx8xxx? I figure if someone is going with an 4770, they need it for multi core performance.
Or, how is i5 4670 better than fx6xxx since the fax is 6core vs 4670s 4core?
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post #2 of 99
OK, so as far as I understand it in simple terms. The intel processors are much more rounded. They have very good threaded performance and exceptional single threaded performance. AMD has average single threaded performance in comparison and very good threaded performance, in only a few situations are they better then Intel.

So with AMD (pulling numbers out of the air here) in say 20% of situations the extra threads will be an advantage where as 80% of the time Intel is better. When you are talking pure performance and not cost/benefit of course.
post #3 of 99
Thread Starter 
Then how come an 4670 performs better than fx8xxx? Is it just due to the types of programs running on benchmarks?
Cuz it seems like the standard for gaming is either a fx8320/8350 or a 4670. U would think the 8 core would be better than the 4core
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post #4 of 99
Quote:
Originally Posted by IMKR View Post

Then how come an 4670 performs better than fx8xxx? Is it just due to the types of programs running on benchmarks?
Cuz it seems like the standard for gaming is either a fx8320/8350 or a 4670. U would think the 8 core would be better than the 4core

Nope.
Not really when the cores themselves individually are much slower.
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post #5 of 99
the amd 8 core isnt a true 8 core
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post #6 of 99
Quote:
Originally Posted by IMKR View Post

Then how come an 4670 performs better than fx8xxx? Is it just due to the types of programs running on benchmarks?
Cuz it seems like the standard for gaming is either a fx8320/8350 or a 4670. U would think the 8 core would be better than the 4core

All depends on how well the application it coded to optimize and utilize multiple cores. In the case of a lot of the game developers, they get lazy and do a crap job coding and your new state of the art multicore processor is just fun to say you have. Not much benefit. I do expect this to get better in the future but its hard to count on these people to do a good job and put out a quality product.
   
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post #7 of 99
Quote:
Originally Posted by vlps5122 View Post

the amd 8 core isnt a true 8 core

At worst case the 4 module 8 core cpus are probably superior to a 4770k etc with hyperthreading.
Edited by Ultisym - 4/2/14 at 12:21pm
   
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post #8 of 99
Quote:
Originally Posted by Shadow11377 View Post

Nope.
Not really when the cores themselves individually are much slower.
Quote:
Originally Posted by vlps5122 View Post

the amd 8 core isnt a true 8 core

This and this

Also most games and applications are not optimised for more then a few cores. The extra AMD 'cores' got to waste a lot of the time.
post #9 of 99
Quote:
Originally Posted by Ultisym View Post

All depends on how well the application it coded to optimize and utilize multiple cores. In the case of a lot of the game developers, they get lazy and do a crap job coding and your new state of the art multicore processor is just fun to say you have. Not much benefit. I do expect this to get better in the future but its hard to count on these people to do a good job and put out a quality product.

Pick a random number from 1-10 for X, then choose a random number from 1-X. Eventually you end up with 1-X, X being 1.
As each step needs X to be solved, how exactly would a multicore CPU help in such a task?

It's not crappy devs.
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post #10 of 99
its really program dependent. On multi-threaded apps, when comparing core to core, Intel's method is generally faster. in the rare occasion where one is comparing specifically intel hyper-threads to AMD's modular cores, programs tend to work better with the modular cores(as they are treated slightly more as full cores compared to hyper-threads). So unless the program in question has instruction sets to specifically utilize hyper-threading well, the program itself will start to move slightly in the AMD direction(but not necessarily better) if the programs core usage is greater than the number of full cores in the chip as the program will almost virtually ignore hyper-threads. so in games that utilize more than 6 cores in performance, the AMD chips start to gain more value to performance(as their motherboards and processors are generally cheaper than it's intel counterpart), else Intel chips generally have the better performance.
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