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18
votes
8answers
38k views

How do I calculate clock speed in multi-core processors?

Is it correct to say, for example, that a processor with four cores each running at 3GHz is in fact a processor running at 12GHz? I once got into a "Mac vs. PC" argument (which by the way is NOT the ...
2
votes
4answers
3k views

Multi-core CPU: can I say I have a 3x2.1GHz=6.3GHz CPU?

I have an AMD A6-3500 three-core CPU. AMD System Monitor shows each core with a maximum 2100 MHz. This also shows in AMD OverDrive. Does this processor run at the speed 3*2100 MHz? Edit Can I say ...
2
votes
5answers
3k views

Whats the deal with these new lower clock speed CPUs on Laptops? Can they still run apps well?

I'm looking at some new laptops, and I'm seeing the AMD Neo CPUs at 1.5GHz, and some of the new Intels at 1.3-1.8GHz. The laptops they are on come well supplied in terms of RAM (up to 8GB) and Video ...
3
votes
1answer
164 views

Which property of CPUs is good for what?

Back in the days clock frequency used to be THE criteria to compare CPUs (or perhaps you had to take into account whether it was a DX or SX). The world was simple back then, but in these fast evolving ...
53
votes
9answers
9k views

Why have CPU manufacturers stopped increasing the clock speeds of their processors? [closed]

I have read that manufacturers stopped concentrating on higher clock speeds and are now working on other things to improve performance. With an old Desktop machine with Intel® Xeon® Processor E3110 ...
9
votes
0answers
290 views

Why did CPU clock speeds stop increasing? [duplicate]

Possible Duplicate: Has CPU speed already broken Moore's law? Additional Reading: Whats the deal with these new lower clock speed CPUs on Laptops? Can they still run apps well? Is a ...
1
vote
3answers
318 views

An absolute unit to indicate CPU speed?

Most advanced computer users know that you can't compare CPU speed by just comparing the clock speed, but that other factors are involved (only one of which is multicore, but that's easy to ...