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Model number | E5-2640 v4 |
CPU part number |
|
Frequency | 2400 MHz |
Turbo frequency | 3400 MHz |
Bus speed | 8 GT/s QPI (4000 MHz) |
Clock multiplier | 24 |
Package | 2011-land Flip-Chip Land Grid Array |
Socket | Socket 2011-3 |
Architecture / Microarchitecture | |
Microarchitecture | Broadwell |
Platform | Grantley-EP 2S |
Processor core | Broadwell-EP |
Core stepping | R0 (QKEU, SR2NZ) |
CPUID | 406F1 (QKEU) |
Manufacturing process | 0.014 micron |
Data width | 64 bit |
The number of CPU cores | 10 |
The number of threads | 20 |
Floating Point Unit | Integrated |
Level 1 cache size | 10 x 32 KB 8-way set associative instruction caches 10 x 32 KB 8-way set associative data caches |
Level 2 cache size | 10 x 256 KB 8-way set associative caches |
Level 3 cache size | 25 MB 20-way set associative shared cache |
Physical memory | 1536 GB |
Multiprocessing | Up to 2 processors |
Features |
|
Low power features | Enhanced SpeedStep technology |
Integrated peripherals / components | |
Integrated graphics | None |
Memory controller | The number of controllers: 1 Memory channels: 4 Supported memory: DDR4-1600, DDR4-1866, DDR4-2133 Maximum memory bandwidth (GB/s): 68.3 ECC supported: Yes |
Other peripherals |
|
Electrical / Thermal parameters | |
Maximum operating temperature | 76°C |
Minimum power dissipation | 35 Watt (C1E state) 12 Watt (C6 state) |
Thermal Design Power | 90 Watt |