AMD Ryzen 9 3900X vs Intel Core i7-8700. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Family
  AMD Ryzen Intel Core i7
• CPU group
  AMD Ryzen 3000 Intel Core i 8000
• Segment
  Desktop / Server Desktop / Server
• Generation
  3 8
• Predecessor
  -- Intel Core i7-7700
• Successor
  AMD Ryzen 9 5900X Intel Core i7-9700

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Core architecture
  normal normal
• Overclocking
  Yes No
• Frequency
  3.80 GHz 3.20 GHz

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  no iGPU Intel UHD Graphics 630
• GPU frequency
  -- 0.35 GHz
• GPU (Turbo)
  No turbo 1.15 GHz
• Execution units
  -- 24
• Shader
  -- 192
• Max. GPU Memory
  -- 64 GB
• Max. displays
  -- 3
• Generation
  -- 9.5
• Technology
  -- 14 nm
• Release date
  -- Q4/2017

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

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

Overview of the types and quantities of RAM supported by Intel Core i7-8700 and AMD Ryzen 9 3900X. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-3200 DDR4-2666
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• ECC
  Yes No

Analyze the TDP (Thermal Design Power) requirements of AMD Ryzen 9 3900X and Intel Core i7-8700 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  105 W 65 W
• TDP (PL2)
  142 W --
• Tjunction max.
  95 °C 100 °C

Information on architecture, interfaces, and additional instructions supported by AMD Ryzen 9 3900X and Intel Core i7-8700, including virtual machine technologies and fabrication processes.

• 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
• L2-Cache
  6.00 MB --
• L3-Cache
  64.00 MB 12.00 MB
• Architecture
  Matisse (Zen 2) Coffee Lake S
• Technology
  7 nm 14 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• Socket
  AM4 LGA 1151-2
• Release date
  Q3/2019 Q4/2017