E5-2678 v3 specifications
General information
Type
CPU / Microprocessor
Market segment
Server
Family
CPU part number
CM8064401967500 is an OEM/tray microprocessor
Frequency ?
2500 MHz
Clock multiplier ?
25
Socket 2011-3 / R3 / LGA2011-3
S-spec numbers
Architecture / Microarchitecture
Microarchitecture
Haswell
Platform
Grantley-EP
Processor c ?
Haswell-EP
Manufacturing process
0.022 micron
Data width
64 bit
The number of CPU cores
12
The number of threads
24
Floating Point Unit
Integrated
Level 1 cache size ?
12 x 32 KB 8-way set associative instruction caches
12 x 32 KB 8-way set associative data caches
Level 2 cache size ?
12 x 256 KB 8-way set associative caches
Level 3 cache size
30 MB 20-way set associative shared cache
Multiprocessing
Up to 2 processors
Extensions and Technologies
MMX instructions
SSE / Streaming SIMD Extensions
SSE2 / Streaming SIMD Extensions 2
SSE3 / Streaming SIMD Extensions 3
SSSE3 / Supplemental Streaming SIMD Extensions 3
SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 ?
AES / Advanced Encryption Standard instructions
AVX / Advanced Vector Extensions
AVX2 / Advanced Vector Extensions 2.0
BMI / BMI1 + BMI2 / Bit Manipulation instructions
F16C / 16-bit Floating-Point conversion instructions
FMA3 / 3-operand Fused Multiply-Add instructions
HT / Hyper-Threading technology ?
VT-x / Virtualization technology ?
VT-d / Virtualization for directed I/O
TBT 2.0 / Turbo Boost technology 2.0 ?
TSX / Transactional Synchronization Extensions
Security Features
NX / XD / Execute disable bit ?
TXT / Trusted Execution technology
SMEP / Secure Mode Execution
Low power features
Enhanced / technology ?
Integrated peripherals / components
Integrated graphics
None
Memory controller
The number of controllers: 2
Memory channels per controller: 2
Supported memory: DDR4
Other peripherals
Direct Media Interface 2.0
Quick Path Interconnect v1.1 (2 links)
PCI Express 3.0 interface (40 lanes)
Electrical / Thermal parameters
Thermal Design Power ?
120 Watt[1]
Notes on E5-2678 v3
Turbo frequency is not confirmed