AMD Opteron™: Workstation: Understanding Model Numbers: 100 Series, 200 Series, 800 Series


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AMD Opteron™ Processor Model Numbers and Features Comparison

AMD Opteron Processors are identified by a three digit model number, XYY, where:

X—indicates the maximum scalability of the processor. In other words:
100 Series = 1-way servers and workstations
200 Series = Up to 2-way servers and workstations
800 Series = Up to 8-way servers and workstations

YY—indicates relative performance within the series. In other words, an AMD Opteron Processor Model 244 is higher performing than an AMD Opteron Processor Model 242, etc.

Special note on dual-core processors: Model numbers for the Dual-Core AMD Opteron processors will begin with 165, 265 and 865 and advance in increments of 5.

Low-power AMD Opteron Processors are identified by a two character modifier, where:

HE—indicates a 55W processor within the series.

EE—indicates a 30W processor within the series.

The chart below further explains the differences between AMD Opteron Processor series and model numbers.

Series	100 Series	200 Series	800 Series
Scalability	1-way	Up to 2-way	Up to 8-way
Performance	AMD Opteron processor benchmarks
Dual-Core Options
Frequency	Model Numbers
1.8GHz	Model 165	Model 265	Model 865
2.0GHz	Model 170	Model 270	Model 870
2.2GHz	Model 175	Model 275	Model 875
Single-Core Options
Frequency	Model Numbers
1.4GHz	Model 140	Model 240	Model 840
1.6GHz	Model 142	Model 242	Model 842
1.8GHz	Model 144	Model 244	Model 844
2.0GHz	Model 146	Model 246	Model 846
2.2GHz	Model 148	Model 248	Model 848
2.4GHz	Model 150	Model 250	Model 850
2.6GHz	Model 152	Model 252	Model 852
2.8GHz	Model 154*	Model 254	Model 854
Low-Power Options
EE (30W) Frequency	Model Numbers
1.4GHz	Model 140 EE	Model 240 EE	Model 840 EE
HE (55W) Frequency	Model Numbers
2.0 GHz	Model 146 HE	Model 246 HE	Model 846 HE
2.2GHz	Model 148 HE	Model 248 HE	Model 848 HE
Integrated memory controller	Yes	Yes	Yes
Memory controller width	128-bit	128-bit	128-bit
ECC DRAM protection	Yes	Yes	Yes
HyperTransport™ Technology	Yes	Yes	Yes
HyperTransport Links (total/coherent)	3/0	3/1	3/3
HyperTransport Link width	16 bits x 16 bits	16 bits x 16 bits	16 bits x 16 bits
HyperTransport bus frequency	800MHz Or 1000MHz	800MHz Or 1000MHz	800MHz Or 1000MHz
AMD64	Yes	Yes	Yes
Simultaneous 32 & 64-bit computing	Yes	Yes	Yes
L1 Cache Size (data/instruction)	64KB/ 64KB per core	64KB/ 64KB per core	64KB/ 64KB per core
L2 Cache Size	1MB per core	1MB per core	1MB per core
Pipeline stages (integer/floating point)	12/17	12/17	12/17
L1/L2 data cache protection	ECC	ECC	ECC
L1/L2 instruction cache protection	Parity	Parity	Parity
Global History Counter Entries	16K	16K	16K
L1 TLB entries (data/instruction)	40/40	40/40	40/40
L1 associativity (data/instruction)	Full/Full	Full/Full	Full/Full
L2 TLB entries (data/instruction)	512/512	512/512	512/512
L2 associativity (data/instruction)	4-way / 4-way	4-way / 4-way	4-way / 4-way
Direct Connect Architecture	Yes	Yes	Yes
Process	.13 or .09 micron SOI	.13 or .09 micron SOI	.13 or .09 micron SOI
Manufactured In	Fab 30, Dresden Germany	Fab 30, Dresden Germany	Fab 30, Dresden Germany
*Model planned for September '05 introduction.