sentence1: The updated 64-bit operating system, Windows XP 64-Bit Edition for 64-Bit Extended Systems, will run natively on AMD Athlon 64 processor-powered desktops and AMD Opteron processor-powered workstations.
sentence2: Windows XP 64-bit Edition for 64-Bit Extended Systems will support AMD64 technology, running natively on AMD Athlon 64 powered desktops and AMD Opteron processor-powered workstations.