Intel Core i7-4930MX vs Intel Atom x5-Z8550. Specifications, performance, tests

Background information about the processors being compared, series, generation and market segment.

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

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  3.00 GHz 1.44 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  3.90 GHz 2.40 GHz
• CPU Threads
  8 4
• Turbo (4 Cores)
  3.90 GHz 2.40 GHz
• Hyperthreading
  Yes No
• Overclocking
  Yes No
• Core architecture
  normal normal

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  Intel HD Graphics 4600 Intel HD Graphics 400
• GPU frequency
  0.40 GHz 0.20 GHz
• GPU (Turbo)
  1.35 GHz 0.60 GHz
• Execution units
  20 12
• Shader
  160 96
• Max. GPU Memory
  2 GB 8 GB
• Max. displays
  3 3
• Generation
  7.5 8
• DirectX Version
  11.1 12
• Technology
  22 nm 14 nm
• Release date
  Q2/2013 Q1/2015

Built-in codecs used to encode and decode content. Significantly speeds up the required operations.

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

Types, channel quantity of RAM supported by Intel Atom x5-Z8550 and Intel Core i7-4930MX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3L-1600 SO-DIMM DDR3L-1600 SO-DIMM
• ECC
  No No
• Memory channels
  4 2
• PCIe version
  3.0 2.0
• PCIe lanes
  16 2

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-4930MX and Intel Atom x5-Z8550 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  57 W 2 W

Architecture, interfaces, additional instructions supported by Intel Core i7-4930MX and Intel Core i7-4930MX, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2
• L3-Cache
  8.00 MB 2.00 MB
• Architecture
  Haswell H Cherry Trail
• Technology
  22 nm 14 nm
• Socket
  PGA 946 BGA 138
• Release date
  Q2/2013 Q1/2016