Intel Core i9-11900KB vs AMD Ryzen 9 5900H. Specifications, performance, tests

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

• Segment
  Mobile Mobile
• Family
  Intel Core i9 AMD Ryzen
• Generation
  11 4
• CPU group
  Intel Core i 11000H AMD Ryzen 5000H

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
  3.30 GHz 3.10 GHz
• CPU Cores
  8 8
• Turbo (1 Core)
  5.30 GHz 4.60 GHz
• CPU Threads
  16 16
• Turbo (8 Cores)
  4.90 GHz No turbo
• Hyperthreading
  Yes Yes
• Overclocking
  Yes 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
  Intel UHD Graphics 910 AMD Radeon 8 Graphics (Renoir)
• GPU frequency
  0.35 GHz 1.75 GHz
• GPU (Turbo)
  1.45 GHz No turbo
• Execution units
  32 8
• Shader
  256 512
• Max. GPU Memory
  -- 2 GB
• Max. displays
  3 3
• Generation
  11 9
• DirectX Version
  12 12
• Technology
  10 nm 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 Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode / Encode
• AV1
  No No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 9 5900H and Intel Core i9-11900KB. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  128 GB 64 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  3.0 3.0
• PCIe lanes
  16 12

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-11900KB and AMD Ryzen 9 5900H to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 45 W
• TDP up
  -- 54 W
• TDP down
  55 W --
• Tjunction max.
  100 °C 95 °C

Architecture, interfaces, additional instructions supported by Intel Core i9-11900KB and Intel Core i9-11900KB, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  4.00 MB 4.00 MB
• L3-Cache
  20.00 MB 16.00 MB
• Architecture
  Tiger Lake H Cezanne (Zen 3)
• Technology
  10 nm 7 nm
• Socket
  BGA 1787 AM4
• Release date
  Q2/2021 Q2/2021