General information
Type CPU / Microprocessor
Market segment Server
Family AMD Third Generation Opteron
Model number  ?  8356
CPU part number OS8356WAL4BGD is an OEM/tray microprocessor
Stepping code AAAZB AA
Frequency  ?  2300 MHz
Bus speed  ?  1000 MHz (HyperTransport links)
Package 1207-land lidded LGA
AMD Package number 29657
Socket Socket Fr2(1207)
 
Architecture / Microarchitecture
Microarchitecture K10
Processor core  ?  Barcelona
Core stepping  ?  B2
Manufacturing process 0.065 micron SOI
463 million transistors
Die size 285mm2
Data width 64 bit
The number of cores 4
The number of threads 4
Floating Point Unit Integrated
Level 1 cache size  ?  4 x 64 KB 2-way associative instruction cache
4 x 64 KB 2-way associative data cache
Level 2 cache size  ?  4 x 512 KB 8-way set associative cache
Level 3 cache size 2 MB 32-way set associative shared cache
Physical memory 256 TB
Multiprocessing Up to 8 processors
Features  
 
    MMX
    3DNow!
    SSE
    SSE2
    SSE3
    SSE4a  ?  
    Advanced Bit Manipulation  ?  
    AMD64 technology  ?  
    AMD-V (virtualization) technology
    Enhanced Virus Protection  ?  
 
Low power features  
 
    Enhanced PowerNow!  ?  
    CoolCore technology  ?  
    Independent Dynamic Core Technology  ?  
    Dual Dynamic Power Management  ?  
    C1 Halt, C2 and C3 Stop Grant core states
    C1E Enhanced Stop Grant state
 
On-chip peripherals  
 
    Integrated dual-channel 144-bit DDR2 SDRAM Memory controller
    HyperTransport technology with three 16-bit links up to 1000 MHz each
 
 
Electrical/Thermal parameters
Average CPU Power 75 Watt
Thermal Design Power  ?  115 Watt (According to final ACP white paper)
95 Watt (According to press presentation)