Intel Core i7-3940XM

The Intel Core i7-3940XM operates with:

CPU Cores 4.

CPU Threads: 8.

Performance-enhancing, system-enhancing technology that works faster and saves battery with:

Turbo: 3.90 GHz base No turbo all cores.

TDP: 55 W.

The processor is attached to:

CPU socket: PGA 988.

This version includes

8.00 MB of L3 cache on one chip

Supports 2 memory channels to support DDR3-1333
DDR3-1600
DDR3L-1333 SO-DIMM
DDR3L-1600 SO-DIMM RAM and features 3.0 PCIe Gen 16 lanes.

Tjunction keeps below 105 °C degrees C.

In particular, Ivy Bridge H Architecture is enhanced with:

Technology: 22 nm

Virtualization VT-x, VT-x EPT, VT-d.

The product was released on Q3/2012.

Compare with other CPU

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REVIEW

CPU generation and family

Name:

Intel Core i7-3940XM

Family:

Intel Core i7 Extreme Edition

CPU group:

Intel Core i 3000M

Predecessor:

Segment:

Mobile

Generation:

Successor:

CPU Cores and Base Frequency

Frequency:

3.00 GHz

Turbo (1 Core):

3.90 GHz

Turbo (64 Cores)::

Hyperthreading:

Yes

Core architecture:

normal

CPU Cores:

CPU Threads:

Overclocking:

Yes

Memory & PCIe

Memory type:

DDR3-1333
DDR3-1600
DDR3L-1333 SO-DIMM
DDR3L-1600 SO-DIMM

PCIe version:

3.0

Memory channels:

PCIe version:

3.0

PCIe lanes:

Encryption

AES-NI:

Yes

Internal Graphics

Memory type:

DDR3-1333
DDR3-1600
DDR3L-1333 SO-DIMM
DDR3L-1600 SO-DIMM

GPU name:

Intel HD Graphics 4000

GPU frequency:

0.65 GHz

GPU (Turbo):

1.35 GHz

Generation:

DirectX Version:

11.0

Execution units:

Shader:

128

Max memory:

Max. displays:

Technology:

22 nm

Release date:

Q1/2011

Technical details

Instruction set (ISA):

x86-64 (64 bit)

Architecture:

Ivy Bridge H

L2-Cache:

Virtualization:

VT-x, VT-x EPT, VT-d

L3-Cache:

8.00 MB

Release date:

Q3/2012

Socket:

PGA 988

Thermal Management

TDP (PL1):

55 W

TDP (PL2):

TDP Up:

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.

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