Originally Posted by btarunr
"HyperThreading is basically designed to act like a core except that it only gives 10 to 15 percent performance bump for real applications workload." they said.
Oh dear, that's quite an inaccurate slander. Should get him into trouble. Perhaps HT only made 10-15% performance difference on P4/Northwood architecture, but on Nehalem it gives 20-50% performance boost on multithreaded apps. Unless of course you cherry pick your benchmarks to show the worst data