Most phone companies don't show the phone's processor details. You have two options to check it - 1. Install third-party apps like CPU-Z and check the details 2. Look up the phone on online e-commerce marketplaces like Flipkart, Amazon, OnDesk, etc. and check the details of the processor listed by the seller or marketplace.
Yes, you have to visit manufacturers of processor and get permission to view live making of processor, also ask someone near by you regarding more details, also use microscope to know more details or.. Use Samsung Camera to get pic of processor with tiny details in zoom mode.
