Intel Atom x5-E8000 vs Intel Core i7-4940MX

Let's find out which one of Intel Atom x5-E8000 and Intel Core i7-4940MX is of a more recent generation, and what segment it belongs to.

• Name
  Intel Atom x5-E8000 Intel Core i7-4940MX
• Segment
  Mobile Mobile
• Family
  Intel Atom Intel Core i7 Extreme Edition
• Generation
  1 4
• CPU group
  Intel Atom x3/x5/x7 Intel Core i 4000M/4000H

In this block we are going to compare Intel Atom x5-E8000 vs Intel Core i7-4940MX 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
  1.04 GHz 3.10 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  2.00 GHz 3.90 GHz
• CPU Threads
  4 8
• Turbo (4 Cores)
  No turbo 3.90 GHz
• Hyperthreading
  No Yes
• Overclocking
  No Yes
• Core architecture
  normal normal

Common specifications for integrated graphics cards in Intel Atom x5-E8000 and Intel Core i7-4940MX along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  Intel HD Graphics 400 Intel HD Graphics 4600
• GPU frequency
  0.32 GHz 0.40 GHz
• GPU (Turbo)
  No turbo 1.35 GHz
• Execution units
  12 20
• Shader
  96 160
• Max. GPU Memory
  8 GB 2 GB
• Max. displays
  3 3
• Generation
  8 7.5
• DirectX Version
  12 11.1
• Technology
  14 nm 22 nm
• Release date
  Q1/2015 Q2/2013

Let's compare the support of video codecs between Intel Atom x5-E8000 and Intel Core i7-4940MX. 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 Decode / Encode
• VP9
  No No
• VP8
  Decode No
• AV1
  No No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode Decode

To choose the best model between Intel Atom x5-E8000 and Intel Core i7-4940MX 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 DDR3L-1600 SO-DIMM
• Max. Memory
  8 GB
• ECC
  No No
• Memory channels
  2 4
• PCIe version
  2.0 3.0
• PCIe lanes
  4 16

AES-NI encryption support for CPUs Intel Atom x5-E8000 and Intel Core i7-4940MX.

• AES-NI
  Yes Yes

Let's find out what TDP value would be better for Intel Atom x5-E8000 or Intel Core i7-4940MX? 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)
  5 W 57 W
• Tjunction max.
  90 °C --

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom x5-E8000 and Intel Core i7-4940MX 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-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX2
• L3-Cache
  2.00 MB 8.00 MB
• Architecture
  Cherry Trail Haswell H
• Technology
  14 nm 22 nm
• Socket
  BGA 1170 PGA 946
• Release date
  Q1/2016 Q4/2013

List of devices based on Intel Atom x5-E8000 and Intel Core i7-4940MX.

• Used in
  Acer NX.EFAET.050 Unknown