Intel Core i9-11900KB vs AMD Ryzen 5 5500U. Specifications, performance, tests

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

• CPU group
  Intel Core i 11000H AMD Ryzen 5000U
• Family
  Intel Core i9 Ryzen
• Generation
  11 4
• Segment
  Mobile Mobile
• Form Factor
  - Laptops / Desktops
• Series
  - Ryzen 5000 Series

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

• Base Frequency
  3.3 GHz 2.1 GHz
• Core architecture
  normal normal
• CPU Cores
  8 6
• CPU Threads
  16 12
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  5.3 GHz 4 GHz
• Turbo Frequency (8 Cores)
  4.9 GHz -
• Max. Boost Clock
  - 4 GHz
• Turbo Frequency (6 Cores)
  - 3.4 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.

• DirectX Version
  12 12
• Execution units
  32 7
• Generation
  11 9
• GPU Frequency
  350 MHz 1800 MHz
• GPU name
  Intel UHD Graphics 910 AMD Radeon Graphics
• GPU Turbo
  1450 MHz No turbo
• Max. displays
  3 3
• Max. GPU Memory
  - 2 GB
• Release date
  - Q1/2020
• Shader
  256 448
• Technology
  10 nm 7 nm
• Graphics Cores
  - 7

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

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

Types, channel quantity of RAM supported by AMD Ryzen 5 5500U and Intel Core i9-11900KB. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  128 GB 32 GB
• Memory channels
  2 2
• Memory type
  DDR4-3200 DDR4 - Up to 3200 / LPDDR4 - Up to 4266
• PCIe lanes
  16 12
• PCIe version
  3.0 3.0
• PCIe
  - PCIe 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-11900KB and AMD Ryzen 5 5500U 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
  100 °C 105 °C
• TDP (PL1, legacy label)
  65 W 15 W
• TDP down
  55 W 10 W
• TDP up
  - 25 W
• Configurable TDP
  - 10-25 W
• Default TDP
  - 15 W

Architecture, interfaces, additional instructions supported by Intel Core i9-11900KB and AMD Ryzen 5 5500U, virtual machine technologies and process technology.

• Architecture
  Tiger Lake H Lucienne (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  4.00 MB 3 MB
• L3-Cache
  20.00 MB 8 MB
• Release date
  Q2/2021 2021-01-12
• Socket
  BGA 1787 FP6
• Technology
  10 nm TSMC 7nm FinFET
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• Codename
  - Lucienne
• Manufacturer OS Support
  - Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit
• Manufacturer product ID (tray)
  - 100-000000375
• Official source
  - https://www.amd.com/en/products/specifications/processors.html
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  - 2026-10-01