HP ProLiant BL660c AMD Opteron™ and Intel® Xeon® x - Page 1

AMD Opteron™ and Intel® Xeon® x86 processors in industry-standard servers Technology brief Introduction...2 Processor naming conventions...2 AMD Opteron processors ...2 Intel Xeon processors ...2 Microarchitecture...3 Intel Microarchitecture Nehalem ...3 AMD Opteron microarchitecture ...6 Instruction set architecture ...7 32-bit operations...7 64-bit extensions ...8 I/O architecture ...8 AMD HyperTransport 3.0 technology 9 Intel QuickPath Technology ...10 Power management ...10 Intel Xeon power management...10 AMD Opteron power management 11 Virtualization...12 AMD Virtualization Technology (AMD-V 12 Intel Virtualization Technology (Intel VT 13 Data security ...13 Intel security technology ...13 AMD security technology ...14 Performance...14 Conclusion...15 For more information...16 Call to action ...16