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Intel Core i7-3960X Extreme Edition [Desktop]

General

Vendor
  • Intel
Family
  • Core i7 Extreme Edition
Model
  • i7-3960X
Architecture
  • Sandy Bridge
Core Codenames
  • Sandy Bridge-E
Release Dates
  • November, 2011

Package

Package Types
  • 2011-land LGA
Sockets
  • LGA2011 (Socket R)
Lithography
  • 32 nm
Package and Die
  • 52.5 × 45 mm package
  • 435 mm² die area
  • 2.27 billion transistors
Core Steppings
  • C1
  • C2
CPUIDs
  • 206D6
Spec Codes
QBE7QBU9SR0GWSR0KF
Part Numbers

Core Configuration

Core Structure

Number of Cores
  • 6
Number of Threads
  • 12
Multi-Threaded Cores
  • Yes (simultaneous)
Core Clock Frequency
  • 3.40 GHz
Turbo Core Clock Frequency
  • 3.90 GHz (1 – 2 cores)
  • 3.80 GHz (3 cores)
  • 3.70 GHz (4 cores)
  • 3.60 GHz (5 – 6 cores)
Base Clock Frequency
  • 100 MHz
Clock Multiplier
  • × 33
Unlocked Clock Multiplier
  • Yes

Memory

Level 1 Instruction Cache
  • 32 kB × 6
  • Full-speed
Level 1 Data Cache
  • 32 kB × 6
  • Full-speed
Level 2 Cache
  • 256 kB × 6
  • Full-speed
Level 3 Cache
  • 15 MB
  • Full-speed

Data Connection

Data Bus

Data Connection Type
  • External Direct Media Interface 2.0
  • 4-bit (PCIe 2.0 ×4)
  • Single data rate
DMI Frequency
  • 5000 MHz (initial)
  • 5000 MT/s (effective)

Electrical and Thermal

Power

VID Range
  • 0.6 — 1.35 V
Configurable TDP
  • No
TDP
  • 130 W
Maximum Operating Temperature
  • 67°C

Integrated Graphics

Graphics

Integrated Graphics
  • None

Features

Instruction Sets
  • x86
  • x86_64
Instruction Set Extensions
  • AES
  • AVX1
  • MMX
  • SSE / SSE2 / SSE3 / SSE4.1 / SSE4.2 / SSSE3
Core Features
  • Hyper-Threading
  • Integrated memory controller (DDR3)
  • Intel 64
  • Turbo Boost 1.0
  • VT-d / VT-x
  • XD
Low-Power Features
  • C-states
  • Enhanced SpeedStep

Compatibility

Platform Support
  • Waimea Bay with Patsburg chipsets
Supported Chipsets
  • Intel X79
Supported RAM Types
  • 64-bit single-channel memory bus
  • 128-bit dual-channel memory bus
  • 192-bit tri-channel memory bus
  • 256-bit quad-channel memory bus
  • DDR3-800 / DDR3-1066 / DDR3-1333 / DDR3-1600
Maximum Memory Bandwidth
  • Up to 12.8 GB/s (single-channel)
  • Up to 25.6 GB/s (dual-channel)
  • Up to 38.4 GB/s (tri-channel)
  • Up to 51.2 GB/s (quad-channel)
RAM Limit
  • 64 GB

Notes

Notes for This Processor
  1. Boxed processor.
  2. OEM processor.
  3. VT-d only supported on C2 stepping.

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