Neither?
Bro are you serious?
At least Intel has a chance at something, what is IBM doing? Unless you are looking at quantum AI etc.
Quite alot, try reading sometime
Both are shit.
Same tier as Marvell
Intel HW , FW, and system engineers are feeders to Nvidia, Apple, Google. But so are MSFT, so only change companies for a scope+TC increase.
At least coming few years no career growth till ship sails properly at intel
Neither, lol
Stay at Microsoft.