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

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

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

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.

• 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

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
  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

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)
  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

Overview of the types and quantities of RAM supported by AMD Ryzen 9 PRO 3900 and AMD Ryzen 9 4900U. The supported memory frequencies may vary depending on the motherboard configuration.

• 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

Analyze the TDP (Thermal Design Power) requirements of AMD Ryzen 9 4900U and AMD Ryzen 9 PRO 3900 to make an informed decision on the appropriate cooling system. Remember that TDP 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

Information on architecture, interfaces, and additional instructions supported by AMD Ryzen 9 4900U and AMD Ryzen 9 PRO 3900, including virtual machine technologies and fabrication processes.

• 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