HP ProLiant DL380p AMD Opteron™ and Intel® Xeon® x - Page 1

AMD Opteron™ and Intel® Xeon® x86 processors in industry-standard servers Technology brief, 2nd edition 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