Is a 2.8ghz p4 faster then a 1.6 dual core processor? If my computer says that my dual core processor speed is 1.6ghz is that times 2 because I have two cores? Or is it total?
The 1.6 dual core processor essentially acts as 2 1.6Ghz processors.
Whether it will be faster than a 2.8Ghz processor depends on the tasks. For everyday work, with multiple applications open, it will be faster, especially as one processor will be handling load when the other isn't.
If you're trying to run a specific application that can't be multi-threaded, such as many video and audio converters, then the 2.8 will be faster for this task.
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The 1.6 dual core processor essentially acts as 2 1.6Ghz processors.
Whether it will be faster than a 2.8Ghz processor depends on the tasks. For everyday work, with multiple applications open, it will be faster, especially as one processor will be handling load when the other isn't.
If you're trying to run a specific application that can't be multi-threaded, such as many video and audio converters, then the 2.8 will be faster for this task.