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Intel Core i7-940XM Extreme Edition [Laptop]

General

Vendor
  • Intel
Family
  • Core i7 Extreme Edition
Model
  • i7-940XM
Architecture
  • Nehalem
Core Codenames
  • Clarksfield
Release Dates
  • June, 2010

Package

Package Types
  • 988-pin PGA
Sockets
  • PGA988 (Socket G1)
Lithography
  • 45 nm
Package and Die
  • 37.5 × 37.5 mm package
  • 296 mm² die area
  • 774 million transistors
Core Steppings
  • B1
CPUIDs
  • 106E5
Spec Codes
Q4APSLBSC
Part Numbers

Core Configuration

Core Structure

Number of Cores
  • 4
Number of Threads
  • 8
Multi-Threaded Cores
  • Yes (simultaneous)
Core Clock Frequency
  • 2.13 GHz
Turbo Core Clock Frequency
  • 3.33 GHz (1 core)
  • 3.20 GHz (2 cores)
  • 2.40 GHz (3 – 4 cores)
Base Clock Frequency
  • 133 MHz
Clock Multiplier
  • × 16
Unlocked Clock Multiplier
  • Yes

Memory

Level 1 Instruction Cache
  • 32 kB × 4
  • Full-speed
Level 1 Data Cache
  • 32 kB × 4
  • Full-speed
Level 2 Cache
  • 256 kB × 4
  • Full-speed
Level 3 Cache
  • 8 MB
  • Full-speed

Data Connection

Data Bus

Data Connection Type
  • External Direct Media Interface 1.0
  • 4-bit (PCIe 2.0 ×4)
  • Single data rate
DMI Frequency
  • 2500 MHz (initial)
  • 2500 MT/s (effective)

Electrical and Thermal

Power

VID Range
  • 0.65 — 1.4 V
Configurable TDP
  • No
TDP
  • 55 W
Maximum Operating Temperature
  • 100°C

Integrated Graphics

Graphics

Integrated Graphics
  • None

Features

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

Compatibility

Platform Support
  • Calpella with Ibex Peak chipsets
Supported Chipsets
  • Intel HM55 / HM57
  • Intel PM55
  • Intel QM57
  • Intel QS57
Supported RAM Types
  • 64-bit single-channel memory bus
  • 128-bit dual-channel memory bus
  • DDR3-800 / DDR3-1066 / DDR3-1333
Maximum Memory Bandwidth
  • Up to 10.672 GB/s (single-channel)
  • Up to 21.344 GB/s (dual-channel)
RAM Limit
  • 8 GB

Notes

Notes for This Processor
  1. OEM processor.

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