Quote:
Originally Posted by LoganK
It depends on a lot of factors, but, in general, dual core often doesn't mean significantly reduced battery life and may improve battery life.
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It is kind of like engines. If you have a 8 or 12 cylinder engine, you will use more gas than a 4 or 6 cylinder engine. Sometimes the big engines on the expensive cars can actually cut off several cylinders when they aren't needed to become more economical. In past wars, there have been cases where cars have had cylinders blocked and the valves stopped to make them economical because of gas shortages. Yes it made the engine jumpy but the engine used less gas.
If you have two outboards on your boat (two motors are required for certain boats at sea for emergencies) you can run one more economically than two at the same speed. You just need the two to run faster.
I have read where some new computers will not use the second core if not needed and some have essentially 2 cores where 1 of the cores is smaller as well as slower, requiring less power, but will allow you to do things that don't require a lot of horsepower, and then when you watch or edit a video or play a game you can get the full horsepower of both or all the cores.
Usually also when you are multitasking I think the multiple cores might separate out the tasks. I have never been sure about how that works though.