General information
Type	CPU / Microprocessor
Market segment	Desktop
Family	Intel Core i7 Extreme Edition
Model number	i7-5960X
CPU part numbers	CM8064801547964 is an OEM/tray microprocessor BX80648I75960X is a boxed microprocessor
Frequency	3000 MHz
Turbo frequency	3300 MHz (3 or more cores) 3500 MHz (1 or 2 cores)
Low power frequency	1200 MHz
Bus speed	5 GT/s DMI
Clock multiplier	30
Package	2011-land Flip-Chip Land Grid Array
Socket	Socket 2011-3 / R3 / LGA2011-3
Size	2.07" x 1.77" / 5.25cm x 4.5cm
Introduction date	August 29, 2014
Price at introduction	$999 (OEM) $1059 (box)
S-spec numbers
ES/QS processors Production processors Part number QFRA SR20Q BX80648I75960X   + CM8064801547964 + +
Architecture / Microarchitecture
Microarchitecture	Haswell
Processor core	Haswell-E
Core steppings	M0 (QFRA) R2 (SR20Q)
CPUID	306F2 (QFRA)
Manufacturing process	0.022 micron
Data width	64 bit
The number of cores	8
The number of threads	16
Floating Point Unit	Integrated
Level 1 cache size	8 x 32 KB 8-way set associative instruction caches 8 x 32 KB 8-way set associative data caches
Level 2 cache size	8 x 256 KB 8-way set associative caches
Level 3 cache size	20 MB 20-way set associative shared cache
Physical memory	64 GB
Multiprocessing	Uniprocessor
Features	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 EM64T / Extended Memory 64 technology / Intel 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 SpeedStep technology
Integrated peripherals / components
Integrated graphics	None
Memory controller	The number of controllers: 1 Memory channels: 4 Supported memory: DDR4-1333, DDR4-1600, DDR4-2133 Maximum memory bandwidth (GB/s): 68
Other peripherals	Direct Media Interface 2.0 PCI Express 3.0 interface
Electrical / Thermal parameters
Maximum operating temperature	66.8°C
Thermal Design Power	140 Watt