[citation][nom]Tamz_msc[/nom]ARM needs a significant boost in performance before it can compete with x86 CPUs.[/citation]
1- that's what Nvidia is doing,
2- Especially when they combine their GPU's with the ARM CPU, some sort of cuda technology, that will be blazing fast on multi threaded app.
Single or dual threaded apps will be limited to the ARM CPU speed, but once we're talking about multithreading apps with 16, 32, perhaps 196 threads, these programs will fly, even on a smartphone!