STM32F Question

Hey guys, this is Ed again. I've been driving crazy by the STM32F series, like what's the difference between STM32F429IIT6 and STM32F103C8T6? They both have an annoying long name. I found the introduction of STM32F429IIT6:
but I've failed to find the detailed introduction of STM32F103C8T6, the datasheet hv too much information, really appreciate if any of you could give me the detailed introduction! Thanks a lot!

That question would be more suitable for the AAC forum.
It has a special section for microcontrollers: