AMD Ryzen 9 3950X vs AMD Ryzen 9 4900H. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 3000 AMD Ryzen 4000H
• Family
  AMD Ryzen AMD Ryzen
• Generation
  3 3
• Segment
  Desktop / Server Mobile
• Successor
  AMD Ryzen 9 5950X -

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

• Base Frequency
  3.5 GHz 3.3 GHz
• Core architecture
  normal normal
• CPU Cores
  16 8
• CPU Threads
  32 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  4.7 GHz 4.4 GHz
• Turbo Frequency (16 Cores)
  4 GHz -
• Turbo Frequency (8 Cores)
  - 4 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 AMD Radeon 8 Graphics (Renoir)
• Graphics verification source
  https://www.amd.com/en/products/specifications/processors.html -
• DirectX Version
  - 12
• Execution units
  - 8
• Generation
  - 9
• GPU Frequency
  - 1750 MHz
• GPU Turbo
  - No turbo
• Max. displays
  - 3
• Max. GPU Memory
  - 2 GB
• Release date
  - Q1/2020
• Shader
  - 512
• Technology
  - 7 nm

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

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

Types, channel quantity of RAM supported by AMD Ryzen 9 4900H and AMD Ryzen 9 3950X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  128 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR4-3200 DDR4-3200LPDDR4-4266
• PCIe lanes
  20 12
• PCIe version
  4.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 3950X and AMD Ryzen 9 4900H Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  95 °C 105 °C
• TDP (PL1, legacy label)
  105 W 45 W
• TDP (PL2)
  142 W -
• TDP down
  - 35 W
• TDP up
  - 54 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 3950X and AMD Ryzen 9 4900H, virtual machine technologies and process technology.

• Architecture
  Matisse (Zen 2) Renoir (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  64.00 MB 8.00 MB
• Release date
  Q3/2019 Q2/2020
• Socket
  AM4 FP6
• Technology
  7 nm 7 nm
• Virtualization
  AMD-V, SVM AMD-V, SVM