ARM is load-store and has a relaxed ordering. Whereas x86 has instructions that can read straight from memory, and has Total Store Ordering. ARM also is fixed instruction width, where x86/AMD64 is variable instruction width.
Outside of that the difference is mostly licensing.
ARM is load-store and has a relaxed ordering. Whereas x86 has instructions that can read straight from memory, and has Total Store Ordering. ARM also is fixed instruction width, where x86/AMD64 is variable instruction width. Outside of that the difference is mostly licensing.