cpu clock speed comparison?

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casilladelucas

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why is it that for example, between a i3 3220 and a i5-2310, the latter is consider better? isn't frequency the most important factor? if not,what are the factors to compare one processor over another and by doing so, coming with a "winning" one?
 
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raisonjohn
Frequency becomes moot when comparing dissimilar chips/CPU generations/design.

Some factors (among many others) to consider: Instructions Per Cycle, Architecture, Number of Cores, Threads, Cache, Thermal Design Point, and Price.

In your example, the i3-3220, despite having a faster clock speed of 3.3GHz (does not have boost speed/Intel Turbo Boost Technolgy), only has 2 Physical Cores (and 4 Threads), only has a ~0.5MB L2 Cache and 3MB L3 Cache, and a low TDP of 55W. On the other hand, the i5-2310, despite having only 2.9GHz base clock speed, can boost up to 3.2GHz, has 4 Physical Cores (and 4 Threads), with ~1MB L2 Cache and 6MB L3 Cache, and has a higher TDP of 95W.

This means that the i5-2310 can do more processing power per GHz...
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raisonjohn

raisonjohn

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Frequency becomes moot when comparing dissimilar chips/CPU generations/design.

Some factors (among many others) to consider: Instructions Per Cycle, Architecture, Number of Cores, Threads, Cache, Thermal Design Point, and Price.

In your example, the i3-3220, despite having a faster clock speed of 3.3GHz (does not have boost speed/Intel Turbo Boost Technolgy), only has 2 Physical Cores (and 4 Threads), only has a ~0.5MB L2 Cache and 3MB L3 Cache, and a low TDP of 55W. On the other hand, the i5-2310, despite having only 2.9GHz base clock speed, can boost up to 3.2GHz, has 4 Physical Cores (and 4 Threads), with ~1MB L2 Cache and 6MB L3 Cache, and has a higher TDP of 95W.

This means that the i5-2310 can do more processing power per GHz (cycle) compared to the i3-3220.
 
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casilladelucas

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oh okay,thanks, so it is a summation of several things, and every "box" should be seen when comparing one another
 
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