I don't understand overclocking

[Chained90]

I flashed Sebastion's overclock kernel and installed System Tuner. I see that I have option to set the CPU overclocked to 1.8 GHz, I didn't even know it could go this high. Then I see "CPU0" and "CPU1". Are these both cores? Because if they are, I only see "CPU0" being overclocked. Does this mean only one core is being used at such a high speed?

I've set it for 1.51GHz and "ondemand". That seems reasonable, right? Any other suggestions?

 

[icanttinkofaname]

Some kernels allow you to clock to 1.9, but its not recommended as you can easily fry your chip. CPU 0 and CPU 1 are the two cores, you are correct. I'm not entirely sure if one or both cores are overclocked, but my suspicions would be only the first core, simply because the 'ondemand' governor only turns on the second core if the first one is unable to run process the load efficiently. 1.5 is pretty reasonable yes, but you can even make it lower an still get good performance, an lower clock speeds mean slightly better battery too. I'm running at 1.4 with a badass governor, which is better again for battery consumption.

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