Intel Atom x6425E vs Intel Core i7-8565U. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Atom Intel Core i7
• Generation
  2 8
• CPU group
  Intel Atom x6000 Intel Core i 8000U

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
  1.80 GHz 1.80 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  3.00 GHz 4.60 GHz
• CPU Threads
  4 8
• Turbo (4 Cores)
  2.70 GHz 2.40 GHz
• Hyperthreading
  No Yes
• Overclocking
  No 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 UHD Graphics 32 EUs (Elkhart Lake) Intel UHD Graphics 620
• GPU frequency
  0.50 GHz 0.30 GHz
• GPU (Turbo)
  0.75 GHz 1.15 GHz
• Execution units
  32 24
• Shader
  256 192
• Max. GPU Memory
  -- 64 GB
• Max. displays
  3 3
• Generation
  11 9.5
• DirectX Version
  12 12
• Technology
  10 nm 14 nm
• Release date
  Q1/2021 Q3/2016

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

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

Types, channel quantity of RAM supported by Intel Core i7-8565U and Intel Atom x6425E. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200LPDDR4X-4266 DDR4-2400 SO-DIMM
• Max. Memory
  64 GB 32 GB
• ECC
  No No
• Memory channels
  4 2
• PCIe version
  3.0 3.0
• PCIe lanes
  8 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Atom x6425E and Intel Core i7-8565U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  12 W 15 W
• Tjunction max.
  105 °C --

Architecture, interfaces, additional instructions supported by Intel Atom x6425E and Intel Atom x6425E, 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, VT-d
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2, AVX2
• L2-Cache
  1.50 MB --
• L3-Cache
  -- 8.00 MB
• Architecture
  Elkhart Lake Whiskey Lake U
• Technology
  10 nm 14 nm
• Socket
  BGA 1296 BGA 1356
• Release date
  Q1/2021 Q3/2018