AMD Opteron™ Processor Workstation Competitive Comparison


创新的微处理器、闪存和低功耗处理器解决方案
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AMD Opteron™ Processor
		Server
		Workstation
AMD Athlon™ 64 Processor
		AMD Athlon™ 64 FX
		AMD Athlon™ 64
		Mobile AMD Athlon™ 64
AMD Athlon™ Processor
		AMD Athlon™ XP
		AMD Athlon™ MP for Server
		AMD Athlon™ MP for Workstation
AMD Duron™ Processor
		AMD Duron™

AMD Opteron™ Processor Workstation Competitive Comparison

Workstation System Comparison	AMD Opteron™	Intel Xeon¹	Intel Xeon²	Intel Pentium®4³	Apple G5⁴

Modular, glueless scalability	Yes	Requires Northbridge	Requires Northbridge	Requires Northbridge	Requires Northbridge
SMP Capabilities	Up to 8-way	Up to 2-way	up to 2-way	1-way	up to 2-way
Direct Connect Architecture	Yes	No	No	No	No
Dual-Core technology	Yes	No	No	No	No
High Performance 32-bit and 64-bit computing	AMD64	EM64T	EM64T	EM64T	Yes
HyperTransport™ technology	Yes	No	No	No	Yes
Integrated DDR memory controller	Yes	No	No	No	No

Front Side Bus frequency	1.4 - 2.8 GHz†	533 MHz	800 MHz	800 MHz	900MHz - 1.25GHz
Front Side Bus bandwidth	11.2 - 22.4 GB/s†	4.3 GB/s	6.4 GB/s	6.4 GB/s	7.2 - 10 GB/s
Maximum Inter-processor bandwidth	8.0 GB/s	4.3 GB/s	6.4 GB/s	N/A	7.2 - 10 GB/s
Memory support	DDR200/266/333/400	DDR266	DDR333/DDR2-400	DDR2-400/533	DDR333/400
Memory Bandwidth 1P System	6.4 GB/s	4.3 GB/s	6.4 GB/s	8.5 GB/s	6.4 GB/s
Memory Bandwidth 2P System	12.8 GB/s†††	4.3 GB/s	6.4 GB/s	N/A	6.4 GB/s
Memory Bandwidth 4P System	25.6 GB/s††††	N/A	N/A	N/A	N/A

Maximum Graphics Support	x16 PCI-E (x16 SLi)	8X AGP	x16 PCI-E	x16 PCI-E	8X AGP

L1 cache size (max)	64KB (Data) + 64KB (Instruction)	8 KB (Data) + 12k mop (Instruction)	16KB (Data) + 12k mop (Instruction)	16KB (Data) + 12k mop (Instruction)	32KB (Data) + 64KB (Instruction)
L2 cache size (max)	1 MB	512 KB	2 MB	2 MB	512KB
L3 cache size (max)	N/A	2 MB	N/A	N/A	N/A
Maximum I/O bandwidth 1P System	8.0 GB/s††	3.2 GB/s	4.3 GB/s	2 GB/s	4.3 GB/s
Maximum I/O bandwidth 2P System	24.0 GB/s†††	3.2 GB/s	4.3 GB/s	N/A	4.3 GB/s
Maximum I/O bandwidth 4P System	32.0 GB/s††††	N/A	N/A	N/A	N/A
SIMD Instruction Set Support	SSE, SSE2, SSE3	SSE, SSE2	SSE, SSE2, SSE3	SSE, SSE2, SSE3	AltiVec

†	The front side bus (interface to memory) of the AMD Opteron™ processor runs at the speed of the processor
††	AMD 1P System - AMD Opteron 100 Series with Nvidia nForce Professional 2200 chipset
†††	AMD 2P System - AMD Opteron 200 Series with 1 HyperTransport Inter-processor Bus and 3 HyperTransport I/O Buses with DDR400 memory
††††	AMD 4P System - AMD Opteron 800 Series with 4 HyperTransport Inter-processor Buses and 4 HyperTransport I/O Buses with DDR400 memory
1)	With Intel E7505 chipset (http://developer.intel.com/products/chipsets/e7505/index.htm)
2)	With Intel E7525 chipset (http://developer.intel.com/products/chipsets/e7525/index.htm)
3)	With Intel 925X chipset (http://developer.intel.com/products/chipsets/925x/index.htm)
4)	G5 processor in Apple Power Mac G5 workstation

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