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since xbox series x uses zen 2 architecture how is it running apps? since almost all apps are compiled into x64 architecture? Does it require all programmers to compile to zen 2 if it's for xbox series x? Or does zen 2 support x64 without emulation? it wouldn't make sense if they choose zen 2 and then it emulated all the apps that would dramatically slow down execution time. I get that they wanted an architecture which was better for gaming and power usage.
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Do you meet any performance issue when running your app in Xbox ?
zen 2 isn't an cpu architecture but a uarch (microarchitecture). the actual ISA(instruction set architecture) is x86_64 (AMD64) which can run both x86 and x64 without emulation. which for windows apps is the best one out there you can get. However compiling apps directly to x86_64 instructions instead of either x86 or x64 produces problems that still have yet to be resolved according to Wikipedia