Amazon’s AWS cloud computing business, which is still fending off calls for investors for it to be spun out of the retail monolith, has just unveiled the spanner that it plans to throw into Intel’s work – a tool that it has been teasing for some time now. It’s a big win for ARM, but Intel’s x86 portfolio has a stranglehold on the application processing field, and so it will require a monumental effort to dethrone the current CPU king. AWS is now offering its A1 Graviton chips to customers looking to buy compute resources. As an alternative to Intel’s Xeon line, the new Graviton has to compete on both the upfront purchase and integration prices and then the operational…