AMD Ryzen 7 1700X vs Intel Core i9-9940X. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 1000 Intel Core i 9000X
• Family
  Ryzen Intel Core i9
• Form Factor
  Desktops / Boxed Processor -
• Generation
  1 9
• Segment
  Desktop / Server Desktop / Server
• Series
  Ryzen 1000 Series -

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  3.4 GHz 3.3 GHz
• Core architecture
  normal normal
• CPU Cores
  8 14
• CPU Threads
  16 28
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  3.8 GHz -
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  3.8 GHz 4.5 GHz
• Turbo Frequency (8 Cores)
  3.6 GHz -
• Turbo Frequency (14 Cores)
  - 4.2 GHz

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
  None None
• Graphics verification source
  https://www.amd.com/en/products/specifications/processors.html https://www.intel.com/content/www/us/en/support/articles/000027144/processors/intel-core-processors.html

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

• AV1
  No No
• H.264 / AVC
  No No
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No No
• VC-1
  No No
• VP8
  No No
• VP9
  No No

Types, channel quantity of RAM supported by Intel Core i9-9940X and AMD Ryzen 7 1700X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  - 128 GB
• Memory channels
  2 4
• Memory type
  DDR4 DDR4-2666
• PCIe
  PCIe 3.0 x16 -
• PCIe lanes
  20 44
• PCIe version
  3.0 3.0
• System Memory Specification
  2667 -

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 7 1700X and Intel Core i9-9940X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  95 W -
• Maximum Operating Temperature
  95 °C 92 °C
• TDP (PL1, legacy label)
  95 W 165 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 1700X and Intel Core i9-9940X, virtual machine technologies and process technology.

• Architecture
  Summit Ridge (Zen) Skylake X Refresh
• Codename
  Summit Ridge -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX-512
• L1-Cache
  0.75 MB -
• L2-Cache
  4 MB -
• L3-Cache
  16 MB 19 MB
• Manufacturer product ID (boxed)
  YD170XBCAEWOF -
• Manufacturer product ID (MPK)
  YD170XBCAEMPK -
• Manufacturer product ID (tray)
  YD170XBCM88AE -
• Official source
  https://www.amd.com/en/products/specifications/processors.html -
• Operating systems
  Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit -
• Release date
  2017-03-02 Q4/2018
• Socket
  AM4 LGA 2066
• Technology
  14nm 14 nm
• Thermal Solution (MPK)
  AMD Wraith Max -
• Thermal Solution (PIB)
  Not Included -
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. -
• Verified on
  2026-10-01 -
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d