An Instruction Set Architecture (ISA ... different ISAs is when it comes to aspects like CPU performance and their microarchitecture.

In computer science, an instruction set architecture (ISA) is an abstract model of a ... running on implementations of that ISA in a fashion that does not depend on the microarchitecture providing ...

The ARM11 microarchitecture is the first implementation of the ARMv6 instruction set architecture (ARM Announces Technical Details of Next-Generation Architecture -- Oct. 17, 2001), and is designed to ...

An instruction set architecture (ISA) defines the set of basic operations ... An ISA is independent from microarchitecture, which refers to the implementation of an ISA in a processor. A single ISA ...