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My system has two physical cores, and four logical processors. To my understanding this means that I have four CPUs due to Hyperthreading, and work is distributed as evenly as possible. However, I have a BIOS option that disables Hyperthreading, giving me only two CPUs to work with.
If I turn this option on, what would be expected? Would my system speed up or slow down? If I was running something that uses all the CPU such as Folding@home, would I notice an increase or decrease in productivity?
Realistically there is no difference. There is virtually zero downside to Hyperthreading compared to physical cores in Intels current product line. If you disable Hyperthreading the you can only run 2 threads at once compared to 4 – Ramhound – 2014-09-24T01:00:15.753
@Ramhound So it might make the computer slower because it can only process 2 commands at a time instead of 4? – None – 2014-09-24T01:03:45.490
1It will make a multi-threaded application slower, the pc, won't be slower specifically – Ramhound – 2014-09-24T01:19:25.833