c i7-3960X specifications
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General information
Type CPU / Microprocessor
Market segment Desktop
Family I c i7 Extreme Edition
Model number ? i7-3960X
CPU part numbers CM8061907184018 is an OEM/tray microprocessor
CM8061907184017 is an OEM/tray microprocessor
BX80619I73960X is a boxed microprocessor without fan and heatsink
Frequency ? 3300 MHz
Maximum turbo frequency 3600 MHz (5 or 6 cores)
3800 MHz (3 or 4 cores)
3900 MHz (1 or 2 cores)
Bus speed ? 5 GT/s
Clock multiplier ? 33
Package 2011-land Flip-Chip Land Grid Array
Socket Socket 2011 / LGA2011
S-spec numbers
Part number ES/QS processors Production processors
QBE7 QBU9 SR0GW SR0KF
BX80619I73960X + +
CM8061907184017 +
CM8061907184018 + + +
Architecture / Microarchitecture
Microarchitecture Sandy Bridge
Processor c ? Sandy Bridge-E
c steppings ? C1 (QBE7, SR0GW)
C2 (QBU9, SR0KF)
Manufacturing process 0.032 micron Hi-K metal gate process
Data width 64 bit
The number of CPU cores 6
The number of threads 12
Floating Point Unit Integrated
Level 1 cache size ? 6 x 32 KB 8-way set associative instruction caches
6 x 32 KB 8-way set associative data caches
Level 2 cache size ? 6 x 256 KB 8-way set associative caches
Level 3 cache size 15 MB 20-way set associative shared cache
Physical memory 64 GB
Multiprocessing Uniprocessor
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
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 2.0 / Turbo Boost technology 2.0 ?
Low power features Enhanced / technology ?
Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 4
Supported memory: DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory bandwidth (GB/s): 51.2
Other peripherals Direct Media Interface 2.0
PCI Express 2.0 interface
Electrical / Thermal parameters
V c ? 0.6V - 1.35V
Maximum operating temperature ? 66.8°C
Thermal Design Power ? 130 Watt
Notes on I c i7-3960X
Processor has unlocked multiplier
Virtualization VT-d technology is not supported on processors with C1 stepping
The processor has the following security, data protection and/or software features: I Identity Protection technology and Smart Response technology.