Data width 64 bit
The number of CPU cores 8
The number of threads 8
Floating Point Unit Integrated (shared between two cores in each module)
Level 1 cache size ? 4 x 64 KB 2-way set associative shared instruction caches
8 x 16 KB 4-way set associative data caches
Level 2 cache size ? 4 x 2 MB 16-way set associative shared exclusive caches
Level 3 cache size 8 MB up to 64-way set associative shared cache
Cache latency 3 (L1 cache)
Multiprocessing Up to 2 processors
Features
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 2
Channel width (bits): 72
Supported memory: UDDR3-1600, RDDR3-1600, ULV RDDR3-1333
DIMMs per channel: 3
Maximum memory bandwidth (GB/s): 25.6
Other peripherals HyperTransport 3.0 technology with 2 HT links
Electrical / Thermal parameters
Maximum operating temperature ? 68°C
Average CPU Power 50 Watt
Thermal Design Power ? 65 Watt
Notes on AMD Opteron 4274 HE
Type CPU / Microprocessor
Market segment Server
Family
AMD Opteron 4200 series
Model number ? 4274 HE
CPU part numbers
OS4274OFU8KGU is an OEM/tray microprocessor
OS4274OFU8KGUWOF is a boxed processor without fan and heatsink
Frequency ? 2500 MHz
Maximum turbo frequency 2800 MHz (more than 4 cores)
3500 MHz (4 cores or less)
Bus speed ? 3200 MHz HyperTransport links (6.4 GT/s per link)
Package 1207-land lidded organic micro Land Grid Array (LS1207)
Pb-free
Socket Socket C32
Weight 1.4oz / 40g