CPU marketing query

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Wayfall

Wayfall

Splendid
Dec 27, 2013
3,569
12
24,115
Hi

Just a quick question about how CPU's are sold/marketed.

When viewed online why do they only display the speed of one core (even if the rest are all the same) and not add all the cores GHZ up to one large GHZ to show its actual power? Say on a quad core it is 3.2GHZ per core so altogether its 12.8GHZ right.

Thanks
 
Solution
13thmonkey
Because it's not. For any single threaded workload, which was the majority, and probably still is, the single core speed is what matters. That other things can happen at the same time, is a bonus. Imagine having a 16core processor, you might have a number in your scheme of 50+, but it would still be beaten in most day to day look and feel type tasks by a dual core with a rating of 7 if the single core speeds are higher. Unless you can use all of the cores for every task it is unrepresentative.

This doesn't even touch on an AMD 3.5 not being the same as an Intel 3.5
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13thmonkey

13thmonkey

Titan
Jan 10, 2006
24,798
350
75,790
Because it's not. For any single threaded workload, which was the majority, and probably still is, the single core speed is what matters. That other things can happen at the same time, is a bonus. Imagine having a 16core processor, you might have a number in your scheme of 50+, but it would still be beaten in most day to day look and feel type tasks by a dual core with a rating of 7 if the single core speeds are higher. Unless you can use all of the cores for every task it is unrepresentative.

This doesn't even touch on an AMD 3.5 not being the same as an Intel 3.5
 
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