Intel Core i7-3940XM
Qualcomm Snapdragon 665
Select video card 1
Select video card 2

Intel Core i7-3940XM vs Qualcomm Snapdragon 665

Overall score
star star star star star
Released
Q3/2012
Released
Q2/2019
Overall score
star star star star star

Which one of the central processing units is better: Intel Core i7-3940XM or Qualcomm Snapdragon 665? On this page we compare the technical data and benchmark results of different CPUs.

The Intel Core i7-3940XM has 4 cores and 8 threads with maximum working frequency of 3.90 GHz. The Intel Core i7-3940XM was released on Q3/2012.

The Qualcomm Snapdragon 665 has 8 cores with 8 threads and 3.90 GHz of frequency. The Qualcomm Snapdragon 665 was released on Q2/2019.

Differences
Reasons to consider
Intel Core i7-3940XM
Report a bug
  • Higher clock speed
    3.00 GHz left arrow 1.80 GHz
    Around -67% better clock speed
  • Higher turbo clock speed
    3.90 GHz left arrow 2.00 GHz
    Around 49% better overclocked clock speed
Reasons to consider
Qualcomm Snapdragon 665
Report a bug
  • More number of cores
    8 left arrow 4
    2 times more cores
Performance tests
Real tests Intel Core i7-3940XM vs Qualcomm Snapdragon 665
Specifications
Complete list of technical specifications
Intel Core i7-3940XM Intel Core i7-3940XM
Qualcomm Snapdragon 665 Qualcomm Snapdragon 665
CPU generation and family

Let's find out which one of Intel Core i7-3940XM and Qualcomm Snapdragon 665 is of a more recent generation, and what segment it belongs to.

  • Name
    Intel Core i7-3940XM left arrow Qualcomm Snapdragon 665
  • Segment
    Mobile left arrow Mobile
  • Family
    Intel Core i7 Extreme Edition left arrow Qualcomm Snapdragon
  • Generation
    3 left arrow 7
  • CPU group
    Intel Core i 3000M left arrow Qualcomm Snapdragon 662/665
CPU Cores and Base Frequency

In this block we are going to compare Intel Core i7-3940XM vs Qualcomm Snapdragon 665 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

  • Frequency
    3.00 GHz left arrow 1.80 GHz
  • CPU Cores
    4 left arrow 8
  • Turbo (1 Core)
    3.90 GHz left arrow 2.00 GHz
  • CPU Threads
    8 left arrow 8
  • Hyperthreading
    Yes left arrow No
  • Overclocking
    Yes left arrow No
  • Core architecture
    normal left arrow hybrid (big.LITTLE)
  • A core
    -- left arrow 4x Kryo 260 Gold
  • B core
    -- left arrow 4x Kryo 260 Silver
Internal Graphics

Common specifications for integrated graphics cards in Intel Core i7-3940XM and Qualcomm Snapdragon 665 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

  • GPU name
    Intel HD Graphics 4000 left arrow Qualcomm Adreno 610
  • GPU frequency
    0.65 GHz left arrow
  • GPU (Turbo)
    1.35 GHz left arrow No turbo
  • Execution units
    16 left arrow 0
  • Shader
    128 left arrow 128
  • Max. GPU Memory
    -- left arrow 4 GB
  • Max. displays
    3 left arrow 0
  • Generation
    7 left arrow 6
  • DirectX Version
    11.0 left arrow 12.1
  • Technology
    22 nm left arrow 11 nm
  • Release date
    Q1/2011 left arrow Q2/2019
Hardware codec support

Let's compare the support of video codecs between Intel Core i7-3940XM and Qualcomm Snapdragon 665. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

  • h265 / HEVC (8 bit)
    No left arrow Decode
  • h265 / HEVC (10 bit)
    No left arrow Decode
  • h264
    Decode / Encode left arrow Decode / Encode
  • VP9
    No left arrow Decode
  • VP8
    No left arrow Decode
  • AV1
    No left arrow No
  • AVC
    Decode / Encode left arrow Decode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode left arrow Decode / Encode
Memory & PCIe

To choose the best model between Intel Core i7-3940XM and Qualcomm Snapdragon 665 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

  • Memory type
    DDR3-1333DDR3-1600DDR3L-1333 SO-DIMMDDR3L-1600 SO-DIMM left arrow LPDDR3-1866LPDDR4X-1866
  • Max. Memory
    32 GB left arrow
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
  • PCIe version
    3.0 left arrow
  • PCIe lanes
    16 left arrow
Encryption

AES-NI encryption support for CPUs Intel Core i7-3940XM and Qualcomm Snapdragon 665.

  • AES-NI
    Yes left arrow No
Thermal Management

Let's find out what TDP value would be better for Intel Core i7-3940XM or Qualcomm Snapdragon 665? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

  • TDP (PL1)
    55 W left arrow
  • Tjunction max.
    105 °C left arrow --
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i7-3940XM and Qualcomm Snapdragon 665 CPUs along with a list of ISA extensions.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow ARMv8-A64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow None
  • ISA extensions
    SSE4.1, SSE4.2, AVX left arrow
  • L3-Cache
    8.00 MB left arrow --
  • Architecture
    Ivy Bridge H left arrow Kryo 260
  • Technology
    22 nm left arrow 11 nm
  • Socket
    PGA 988 left arrow N/A
  • Release date
    Q3/2012 left arrow Q2/2019
  • Part Number
    -- left arrow SM6125
Devices using this processor

List of devices based on Intel Core i7-3940XM and Qualcomm Snapdragon 665.

  • Used in
    Unknown left arrow Unknown
Latest comparisons