Quad-Core AMD Opteron™ Processor with Direct Connect Architecture 6T]TaPcX^]b 0WTPS 4P Server and Workstation Architecture Comparison SIX-CORE Intel xeon processor-based 4P server Quad-Core AMD Opteron™ processor-based 4P Server HyperTransport™ technology buses enable glueless expansion for up to 8-way servers Memory capacity scales with numbers of processors AMD Opteron™ Processor DDR2 DDR2 with Direct Connect Architecture with Direct Connect Architecture AMD Opteron™ Processor AMD Opteron™ Processor with Direct Connect Architecture IDE, USB, LPC, Etc. PCI-X® bridge1 I/O hub2 GBE, SATA I/O and memory share same FSB Memory access; can further tax the FSB DDR2 Graphics Memory traffic I/O traffic IPC traffic 2PCIe x4 IOP Intel Xeon MP Processor Intel Xeon MP Processor LAN 64M Snoop Filter 2PCIe x4 Direct Connect Architecture SM Buses Memory access can be delayed by passing through MCH Graphics Memory traffic I/O traffic IPC traffic Industry-leading Performance-per-Watt »» Highly efficient computing cores with Enhanced AMD PowerNow!™ technology can reduce CPU power consumption to match application needs, to help reduce power consumption without compromising performance »» AMD CoolCore™ technology reduces power to unused sections of the CPU to help save on power and cooling costs »» Dual Dynamic Power Management™ helps maximize the power saving capabilities of AMD PowerNow!™ technology while maintaining memory throughput for superior application performance »» Uses low-power, high-bandwidth DDR2 memory for excellent performance and greater efficiency than competing memory technologies BALANCED PERFORMANCE WITH AMD DIRECT CONNECT ARCHITECTURE »» AMD64 technology enables simultaneous high-performance on 64-bit and 32-bit applications »» Addresses and helps reduce the real challenges and bottlenecks of traditional front-side bus architectures by directly connecting the processors, memory, and I/O »» Integrated DDR2 memory controller: low-latency, high-bandwidth interface enables high performance on memory intensive applications while the performance is designed to provide enterprise class reliability for your datacenter »» HyperTransport™ technology links: At up to 8GB/s bandwidth per link, with up to 3 links per processor connecting CPUs-to-CPUs and CPUs-to-I/O, provides bandwidth and scalability for supporting I/O intensive server and workstation applications »» AMD Balanced Smart Cache and AMD Memory Optimizer Technology are designed for exceptional performance on highly-threaded applications and multi-tasking environments Memory traffic I/O traffic IPC traffic USB GPIO SATA PATA Etc. PCI Express® x4 bus I/O controller hub** PCI Express® x4 bus PCI-X® 133 bus PCI 32/33 bus Intel 7300 Chipset Memory Controller Hub Intel 631xESB/632xESB I/O Controller Hub NOTE: PCI Express® are bi-directional * ** QUAD-CORE AMD OPTERON™ PROCESSOR-BASED SYSTEM (Shanghai) Optimal Virtualization »» Silicon-assisted AMD Virtualization™ (AMD-V™) with Rapid Virtualization Indexing, offers leading-edge performance, security and application support »» Rapid Virtualization Indexing is designed to improve performance on many virtualized applications by enabling memory management in hardware, allowing for a higher-performing, more flexible environment »» Direct Connect Architecture for excellent scalability and performance on I/O and memory-intensive virtualized application environments; enabling more virtual machines to run per server »» Integrated memory controller offers leading-edge x86 capabilities, helping improve performance while efficiently enforcing security between virtual machines FBDIMM (DDR2 533, 667) Memory controller hub (MCH)* PCI Express® Memory traffic I/O traffic IPC traffic FBDIMM memory uses more power and is less efficient than DDR2 2PCIe x4 PCI Express® x8 HyperTransport™ technology link has ample bandwidth for I/O devices PCIe® bridge2 Intel Xeon MP Processor DDR2 with Direct Connect Architecture Processors are directly connected to processors; cores are connected on die Separate memory and I/O paths are designed to reduce most bus contention PCI-X® AMD Opteron™ Processor Intel Xeon MP Processor Front side bus-based Architecture SIX-CORE INTEL XEON PROCESSOR-BASED SYSTEM (Dunnington) Front-Side Bus (FSB) Based Architectures can Limit Performance and Scalability »» Passage through memory controller hub (MCH) can delay memory reads »» Memory and I/O must share FSB bandwidth, which can further reduce the efficiency of the FSB »» Hardware-assisted VT must run memory-intensive virtualization applications over a shared front side bus »» With one MCH per system, PCI Express® interface integration can limit expansion options »» Intel SpeedStep technology and demand-based switching lacking on several processors 1 2 AMD-8132™ HyperTransport™ technology PCI-X® Tunnel Third-Party Chipsets Quad-core amd opteron™ processor-based 4P server with direct connect architecture Server System Comparison Quad-Core AMD Opteron™ Processor (45nm) SIX-Core Intel Xeon MP 7400 series 1, 2 Yes Requries Northbridge Up to 8 sockets / 32 cores Up to 4 sockets / 24 cores Yes No – uses front side bus AMD64 EM64T HyperTransport technology Yes No Integrated DDR2 memory controller Yes No AMD-V™, with Rapid Virtualization Indexing Intel VT RDDR2 400/533/667/800 FBDIMM 533/667 Memory Bandwidth 4P System 51.2GB/s† 32GB/s Maximum I/O bandwidth with 4P System 32.0GB/s† 6GB/s L1 cache size (max) 64KB (Data) + 64KB (Instruction) per core 32KB (Data) + 32KB (Instruction) per core L2 cache size (max) 512KB per core 6-9MB shared (3MB per 2 cores) L3 cache size (max) 6MB (shared, exclusive) 8-16MB (shared, inclusive) SIMD Instruction Set Support SSE, SSE2, SSE3, SSE4A SSE2, SSE3, SSE4 Dedicated Bandwidth Shared Bandwidth Modular, glueless scalability SMP Capabilities Direct Connect Architecture High-Performance 32-bit and 64-bit computing ™ Hardware-Assisted Virtualization Memory support †AMD 4P System – AMD Opteron™ processor 8000 Series with 4 HyperTransport™ technology Inter-processor Buses and 4 HyperTransport™ technology I/O Buses with DDR2-800 memory 1 With Intel 7300 and 7200 Chipset (http://download.intel.com/design/chipsets/datashts/318082.pdf) 2 Other OEM chipsets support additional capabilities AMD (NYSE:AMD) designs and produces innovative microprocessors and low-power processor solutions for the computer, communications, and consumer electronics industries. AMD is dedicated to delivering standards-based, customer-focused solutions for technology users, ranging from enterprises and governments to individual consumers. For more information visit www.amd.com. TECHNICAL SUPPORT USA & CANADA: 800-222-9323 OR 408-749-5703 USA & CANADA PC MICROPROCESSOR: 408-749-3060 USA & CANADA EMAIL: [email protected] LATIN AMERICA EMAIL: [email protected] EUROPE & UK: +44-0-1276-803299 EUROPE & UK FAX: +44-0-1276-803298 FRANCE: 0800-908-621 GERMANY: +49-89-450-53199 ITALY: 800-877224 EUROPE EMAIL: [email protected] FAR EAST FAX: 852-2956-0588 JAPAN FAX: 81-03-3346-784 Access power comparison information online at www.amd.com/power ©2008 Advanced Micro Devices, Inc. All rights reserved. AMD, the AMD Arrow logo, AMD Opteron, AMD PowerNow!, AMD CoolCore, Dual Dynamic Power Management, AMD-8132, AMD Virtualization, AMD-V, and combinations thereof are trademarks of Advanced Micro Devices, Inc. HyperTransport is a licensed trademark of the HyperTransport Technology Consortium. Other names are for informational purposes only and may be trademarks of their respective owners. 44226B