That's still a reliable and top of the line CPU if you use and older no longer availble OS

Like Linux.

I have Kali Light on mine.  It is beyond fast for anything.

Off topic*

I flashed my Tegra TX1 Dev Board last night.

Super slow when running AI accelerated L4T.

SoC *Apple provides no information regarding the iPhone 3GS processor, simply that it is a "closed system", but it is believed to use an ARM Cortex A8 running at 600 MHz (downclocked from 800 MHz). For graphics, it uses a PowerVR SGX graphics processor.

I know I am still confused if I paid for the apple or the Samsung/NEC