Third-Generation AMD Opteron™ Processor Server Competitive Comparison

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Third-Generation AMD Opteron™ Processor Server Competitive Comparison

System Comparison

Quad-Core
AMD Opteron™ Processors

Quad-Core Intel Xeon processor 5400 Series¹

Quad-Core Intel Xeon processor 5300 Series¹

Quad-Core Intel Xeon processor 7000 Series^3,4

Intel Itanium 2 processor 9000 Series⁵

Modular, glueless scalability	Yes	Requires Northbridge	Requires Northbridge	Requires Northbridge	Requires Northbridge/SNC
SMP Capabilities	Up to 8 Sockets/32 Cores	Up to 2 Sockets/8 Cores	Up to 2 Sockets/8 Cores	Up to 4 Sockets/16 Cores	Up to 16 Sockets/32 Cores
Direct Connect Architecture	Yes	No	No	No	No
Native Mulit-Core Technololgy	Yes	No	No	No	Dual-Core only
High-Performance 32-bit and 64-bit computing	AMD64	EM64T	EM64T	EM64T	Epic
HyperTransport™ technology	Yes	No	No	No	No
Integrated DDR2 memory controller	Yes	No	No	No	No
Hardware-Assisted Virtualization	AMD-V™ with Rapid Virtualization Indexing	VT	VT	VT	VT

Memory support	RDDR2 400/533/667	FBDIMM 533/667 (800)²	FBDIMM 533/667	FBDIMM 533/667	RDDR2 400
Maximum Memory Bandwidth 2P System	21.2GB/s^†	21.2GB/s (25.6GB/s)²	21.2GB/s	32GB/s	12.8GB/s
Maximum Memory Bandwidth 4P System	42.7GB/s ^††	N/A	N/A	32GB/s	12.8GB/s
Maximum I/O bandwidth with 2P System	16.0GB/s^†	14GB/s	14GB/s	6GB/s	10.6GB/s
Maximum I/O bandwidth with 4P System	32.0GB/s ^††	N/A	N/A	6GB/s	10.6GB/s
Maximum Total bandwidth with 2P System	37.2GB/s ^†	21.2GB/s (25.6GB/s)²	21.2GB/s	N/A	N/A
Maximum Graphics Support with 2P System	Dual PCIe® x16	Single PCIe® x16	Single PCIe® x16	N/A	N/A

L1 cache size (max)	64KB (Data) + 64KB (Instruction) per core	32KB (Data) + 32KB (Instruction) per core	32KB (Data) + 32KB (Instruction) per core	32KB (Data) + 32KB (Instruction) per core	16KB (Data) + 16KB (Instruction) per core
L2 cache size (max)	512KB per core	4MB (shared) x 2	4MB (shared) x 2	8MB shared (2 x 4MB)	256KB per core
L3 cache size (max)	2MB (shared)	N/A	N/A	N/A	Up to 24MB Shared
SIMD Instruction Set Support	SSE, SSE2, SSE3, SSE4A	SSE, SSE2, SSE3, SSE4.1	SSE, SSE2, SSE3	SSE2, SSE3	N/A

†	AMD 2P System – AMD Opteron 2300 Series with 1 HyperTransport Inter-processor Bus and 2 HyperTransport I/O Buses with DDR2 667 memory
††	AMD 4P System – AMD Opteron 8000 Series with 4 HyperTransport Inter-processor Buses and 4 HyperTransport I/O Buses with DDR2 667 memory
¹	With Intel E5000P/E5000X chipset
²	With Intel 5400 chipset
³	With Intel 7300 and 7200 Chipset
⁴	Other OEM chipsets support additional capabilities
⁵	With Intel E8870 Chipset. Assumes a single SNC. Other OEM chipsets support additional capabilities.

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