AMD Ryzen 9 4900U vs AMD Ryzen 9 PRO 3900. Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  AMD Ryzen AMD Ryzen
• Generation
  3 3
• CPU group
  AMD Ryzen 4000U AMD Ryzen 3000

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
  2.00 GHz 3.10 GHz
• CPU Cores
  8 12
• Turbo (1 Core)
  4.40 GHz 4.30 GHz
• CPU Threads
  16 24
• Hyperthreading
  Yes Yes
• Overclocking
  No 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
  AMD Radeon 8 Graphics (Renoir) no iGPU
• GPU frequency
  1.75 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  8
• Shader
  512
• Max. GPU Memory
  2 GB --
• Max. displays
  3
• Generation
  9
• DirectX Version
  12
• Technology
  7 nm
• Release date
  Q1/2020

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

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

Types, channel quantity of RAM supported by AMD Ryzen 9 PRO 3900 and AMD Ryzen 9 4900U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200LPDDR4-4266 DDR4-3200
• Max. Memory
  64 GB 128 GB
• ECC
  Yes No
• Memory channels
  2 2
• PCIe version
  3.0 4.0
• PCIe lanes
  12 20

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 4900U and AMD Ryzen 9 PRO 3900 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 65 W
• TDP up
  25 W --
• TDP down
  10 W --
• Tjunction max.
  105 °C 95 °C

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

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM AMD-V, SVM
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  8.00 MB 64.00 MB
• Architecture
  Renoir (Zen 2) Matisse (Zen 2)
• Technology
  7 nm 7 nm
• Socket
  FP6 AM4
• Release date
  Q1/2020 Q3/2019