Intel Core i7-4650U vs Intel Core i9-9940X

Let's find out which one of Intel Core i7-4650U and Intel Core i9-9940X is of a more recent generation, and what segment it belongs to.

• Name
  Intel Core i7-4650U Intel Core i9-9940X
• Segment
  Mobile Desktop / Server
• Family
  Intel Core i7 Intel Core i9
• Generation
  4 9
• CPU group
  Intel Core i 4000U Intel Core i 9000X

In this block we are going to compare Intel Core i7-4650U vs Intel Core i9-9940X 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
  1.70 GHz 3.30 GHz
• CPU Cores
  2 14
• Turbo (1 Core)
  3.30 GHz 4.50 GHz
• CPU Threads
  4 28
• Hyperthreading
  Yes Yes
• Overclocking
  No Yes
• Core architecture
  normal normal

Common specifications for integrated graphics cards in Intel Core i7-4650U and Intel Core i9-9940X along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel HD Graphics 5000 no iGPU
• GPU frequency
  0.20 GHz
• GPU (Turbo)
  1.10 GHz No turbo
• Execution units
  40
• Shader
  320
• Max. GPU Memory
  2 GB --
• Max. displays
  3
• Generation
  7.5
• DirectX Version
  11.1
• Technology
  22 nm
• Release date
  Q2/2013

Let's compare the support of video codecs between Intel Core i7-4650U and Intel Core i9-9940X. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between Intel Core i7-4650U and Intel Core i9-9940X 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
  DDR3L-1600 SO-DIMM DDR4-2666
• Max. Memory
  128 GB
• ECC
  No No
• Memory channels
  2 4
• PCIe version
  2.0 3.0
• PCIe lanes
  12 44

AES-NI encryption support for CPUs Intel Core i7-4650U and Intel Core i9-9940X.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Core i7-4650U or Intel Core i9-9940X? 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)
  15 W 165 W
• Tjunction max.
  -- 92 °C

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i7-4650U and Intel Core i9-9940X CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX-512
• L3-Cache
  4.00 MB 19.00 MB
• Architecture
  Haswell U Skylake X Refresh
• Technology
  22 nm 14 nm
• Socket
  BGA 1168 LGA 2066
• Release date
  Q3/2013 Q4/2018

List of devices based on Intel Core i7-4650U and Intel Core i9-9940X.

• Used in
  Apple MacBook AIR (2013) Unknown