Intel Core i7-8700K vs AMD Ryzen 9 7945HX. Specifications, performance, tests

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

• Segment
  Desktop / Server Mobile
• Family
  Intel Core i7 AMD Ryzen 9
• Generation
  8 6
• CPU group
  Intel Core i 8000 AMD Ryzen 7045
• Predecessor
  Intel Core i7-7700K --
• Successor
  Intel Core i7-9700KF --

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
  3.70 GHz 2.50 GHz
• Overclocking
  Yes Yes
• 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 630 AMD Radeon 610M Graphics
• GPU frequency
  0.35 GHz 0.40 GHz
• GPU (Turbo)
  1.20 GHz 2.20 GHz
• Execution units
  24 2
• Shader
  192 128
• Max. GPU Memory
  64 GB 8 GB
• Max. displays
  3 3
• Generation
  9.5 9
• Technology
  14 nm 6 nm
• Release date
  Q4/2017 Q3/2022

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
  No Decode
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 9 7945HX and Intel Core i7-8700K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2666 DDR5-5200
• Max. Memory
  128 GB 128 GB
• ECC
  No Yes
• Memory channels
  2 2 (Dual Channel)

Compare the TDP requirements of TDP Intel Core i7-8700K and AMD Ryzen 9 7945HX to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP up
  -- 75 W
• Tjunction max.
  -- 100 °C

Architecture, interfaces, additional instructions supported by Intel Core i7-8700K and Intel Core i7-8700K, 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 AMD-V, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  -- 16.00 MB
• L3-Cache
  12.00 MB 64.00 MB
• Architecture
  Coffee Lake S Dragon Range (Zen 4)
• Technology
  14 nm 5 nm
• Socket
  LGA 1151-2 FL1
• Release date
  Q4/2017 Q1/2023
• Part Number
  -- 100-000000870