Xeon X5667 specifications
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General information
Type CPU / Microprocessor
Market segment Server
Family I Xeon 5600
Model number ? X5667
CPU part number AT80614005154AB is an OEM/tray microprocessor
Frequency ? 3067 MHz
Maximum turbo frequency 3467 MHz (1 or 2 cores)
3333 MHz (3 or 4 cores)
Bus speed ? 6.4 GT/s QPI (3200 MHz)
Clock multiplier ? 23
Package 1366-land Flip-Chip Land Grid Array (FC-LGA10)
Socket Socket 1366 / B / LGA1366
S-spec numbers
Part number ES/QS processors Production processors
Q3V6 Q4ET SLBVA
AT80614005154AB + + +
Architecture / Microarchitecture
Microarchitecture Westmere
Platform Tylersburg-EP
Tylersburg-EN
Tylersburg-WS
Processor c ? Westmere-EP
c steppings ? B0 (Q3V6)
B1 (Q4ET, SLBVA)
CPUID 206C2 (SLBVA)
Manufacturing process 0.032 micron High-K metal gate process
Data width 64 bit
The number of CPU cores 4
The number of threads 8
Floating Point Unit Integrated
Level 1 cache size ? 4 x 32 KB 4-way set associative instruction caches
4 x 32 KB 8-way set associative data caches
Level 2 cache size ? 4 x 256 KB 8-way set associative caches
Level 3 cache size 12 MB 16-way set associative shared cache
Physical memory 288 GB
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
EM64T / Extended Memory 64 technology / I 64 ?
NX / XD / Execute disable bit ?
HT / Hyper-Threading technology ?
VT-x / Virtualization technology ?
VT-d / Virtualization for directed I/O
TBT / Turbo Boost technology ?
TXT / Trusted Execution technology
Low power features Enhanced / technology ?
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 3
Supported memory: DDR3-800, DDR3-1066, DDR3-1333
Maximum memory bandwidth (GB/s): 32
ECC supported: Yes
Other peripherals Quick Path Interconnect (2 links)
Electrical / Thermal parameters
V c ? 0.8V - 1.3V
Maximum operating temperature ? 82.9°C
Thermal Design Power ? 95 Watt