why A8 chips support Ipados but not IOS 13

why A8 chips support Ipados but not IOS 13?


i.e. Ipad Mini 4 has A8 chips but support the new Ipad OS, Ipad Air 2 with A8X chip also does; Iphone 6(plus) with A8 Chips DOES NOT support IOS 13

Replies

what are the amounts of RAM the various devices have? I always thought RAM was too short on the devices, maybe that’s what’s killing it now. Just a guess