Assuming a quality brand 600W power supply you should be able to overclock both the CPU and GPU to their maximum overclocked speeds, whatever those are.
If it's not a good power supply, you will likely find out quickly.
Assuming a quality brand 600W power supply you should be able to overclock both the CPU and GPU to their maximum overclocked speeds, whatever those are.
If it's not a good power supply, you will likely find out quickly.