What Role Does Transistor Count Play?
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Processors
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CPUs
Last response: in CPUs
Hi OP,
In a processor, there are lot of things to look around. If one thing wants to give you more performance/more power, then it definitely requires more transistors. For example - To make a bottleneck less severe in a pipeline, you need to put in functional units in which, each of those requires more transistors. Hence, the things get done faster i.e., performance increases.
From here, you can also explain parallelism. It means you are adding something in parallel to get the things done in a short span of time, efficiently.
In a processor, there are lot of things to look around. If one thing wants to give you more performance/more power, then it definitely requires more transistors. For example - To make a bottleneck less severe in a pipeline, you need to put in functional units in which, each of those requires more transistors. Hence, the things get done faster i.e., performance increases.
From here, you can also explain parallelism. It means you are adding something in parallel to get the things done in a short span of time, efficiently.
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Nice, thanks for messing up my tiny brain lol.
Well, look at this link: http://en.wikipedia.org/wiki/Transistor_count
People are not considering the transistor count yet it gradually increases in a order for each consecutive processor. Hence - the more powerful processor you go, more transistor count would play.
Well, look at this link: http://en.wikipedia.org/wiki/Transistor_count
People are not considering the transistor count yet it gradually increases in a order for each consecutive processor. Hence - the more powerful processor you go, more transistor count would play.
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turkey3_scratch said:
If transistors are important, why do people on this forum never consider transistor count as a factor for buying a CPU?Because it is only tangentially important. Overall performance is what counts.
You can't buy two different versions of an i5-4670k...1 with 28 million 'transistors', and one with 33 million 'transistors'.
Overall performance of the CPU is what counts.
A lot like the Ghz race. A Pentium IV at "3.3 Ghz" is monumentally slower than an i5 at "3.3Ghz".
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USAFRet said:
Because it is only tangentially important. Overall performance is what counts.
You can't buy two different versions of an i5-4670k...1 with 28 million 'transistors', and one with 33 million 'transistors'.
Overall performance of the CPU is what counts.
A lot like the Ghz race. A Pentium IV at "3.3 Ghz" is monumentally slower than an i5 at "3.3Ghz".
Nicely stated. Overall performance is vital. It just depends upon lot of factors like -
> Clock Speed
> Bandwidth
> FSB Speed
and so on.
Also- As quoted in my above post, the transistor count increased with the invention of new processors.
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turkey3_scratch said:
So what would a 2Ghz processor be like against a 4Ghz with half the transistors? If they has same cores.That's why, I stated parallelism. In an electronic circuit, everything happens in parallel. So, in the present world, there will no chance for decreasing the transistors when the processor gets upgraded.
http://en.wikipedia.org/wiki/Transistor_count Here's the proof.
Correct me If I'm wrong.
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Why do we need it anyway, OP?
There are lot of factors for measuring the performance of a CPU which can be comprehended by any human being and there will be no need to be so geeky on learning them.
You don't go to shop keeper and ask how many transistors are present in each processor lol. You will mess him up eventually.
Basically, if two processors are same in everything but transistor count changes, then there will be a difference in performance. But developers are very smart and they put the upgrades in every consecutive processors. MORE upgrades = more performance and thus more transistor count which is not needed to know because we already knew that there are more upgrades!
Also, there is a fact called parallelism. Two same specs with different transistor counts NOT REALLY POSSIBLE AT ALL!
There are lot of factors for measuring the performance of a CPU which can be comprehended by any human being and there will be no need to be so geeky on learning them.
You don't go to shop keeper and ask how many transistors are present in each processor lol. You will mess him up eventually.
Basically, if two processors are same in everything but transistor count changes, then there will be a difference in performance. But developers are very smart and they put the upgrades in every consecutive processors. MORE upgrades = more performance and thus more transistor count which is not needed to know because we already knew that there are more upgrades!
Also, there is a fact called parallelism. Two same specs with different transistor counts NOT REALLY POSSIBLE AT ALL!
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turkey3_scratch said:
Okay, thanks! But I just don't know why transistor count seems to be ignored.Because it doesn't really matter in the overall scheme of things. A 'newer' processor will probably have more transistors than a previous version. It will also have other, better capabilities.
More transistors does not automagically mean better performance for a given task. It simply means there are more transistors.
If you're buying a CPU based on transistor count, that is mere willy-waving, and proves exactly nothing.
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V1ctor89
September 1, 2014 2:11:45 AM
Transistor count is inversely proportional with the size of the die. The smalled the die, the more transistors can fit. And since the size of it tends to get smaller and smaller (32nm-> 22n-> 14nm), obviously we would expect to always have more transistors in newer chips. And of course the performance is directly proportional with the number of transistors. The newer the chip, the better the technology involved => better CPUs. Moore's law states that the number of transistors on a die tends to double every 2 years. However, starting with 2013 the transistors and densities are expected to double every 3 years.
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