AMD Ryzen 9 5900HX vs AMD Ryzen 9 5900X. 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
  4 4
• CPU group
  AMD Ryzen 5000H AMD Ryzen 5000
• Predecessor
  -- AMD Ryzen 9 3900X

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
  3.30 GHz 3.70 GHz
• CPU Cores
  8 12
• Turbo (1 Core)
  4.60 GHz 4.80 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
  1.90 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 5900X and AMD Ryzen 9 5900HX. 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
  No Yes
• 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 5900HX and AMD Ryzen 9 5900X to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  45 W 105 W
• TDP up
  54 W --
• TDP (PL2)
  -- 142 W
• TDP down
  35 W --
• Tjunction max.
  105 °C 95 °C

Information on architecture, interfaces, and additional instructions supported by AMD Ryzen 9 5900HX and AMD Ryzen 9 5900X, 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
• L2-Cache
  4.00 MB 6.00 MB
• L3-Cache
  16.00 MB 64.00 MB
• Architecture
  Cezanne (Zen 3) Vermeer (Zen 3)
• Technology
  7 nm 7 nm
• Socket
  FP6 AM4
• Release date
  Q2/2021 Q4/2020