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

Overall score
star star star star star
Released
Q2/2021
Intel Core i9-11900KB
Intel Core i9-11900KB
Released
Q2/2021
Overall score
star star star star star
AMD Ryzen 9 5900H
AMD Ryzen 9 5900H

Differences

  • Higher clock speed
    3.30 GHz left arrow 3.10 GHz
    Around 6% better clock speed
  • Higher turbo clock speed
    5.30 GHz left arrow 4.60 GHz
    Around 13% better overclocked clock speed

Positions in all rankings
    Reasons to consider
    AMD Ryzen 9 5900H
    Report a bug
    • Performance per watt
      45 W left arrow 65 W
      About 0.69 times less performance per watt

    Positions in all rankings

      Specifications

      Complete list of technical specifications
      Intel Core i9-11900KB Intel Core i9-11900KB
      AMD Ryzen 9 5900H AMD Ryzen 9 5900H
      CPU generation and family
      • Segment
        Mobile left arrow Mobile
      • Family
        Intel Core i9 left arrow AMD Ryzen
      • Generation
        11 left arrow 4
      • CPU group
        Intel Core i 11000H left arrow AMD Ryzen 5000H
      CPU Cores and Base Frequency
      • Frequency
        3.30 GHz left arrow 3.10 GHz
      • CPU Cores
        8 left arrow 8
      • Turbo (1 Core)
        5.30 GHz left arrow 4.60 GHz
      • CPU Threads
        16 left arrow 16
      • Turbo (8 Cores)
        4.90 GHz left arrow No turbo
      • Hyperthreading
        Yes left arrow Yes
      • Overclocking
        Yes left arrow Yes
      • Core architecture
        normal left arrow normal
      Internal Graphics
      • GPU name
        Intel UHD Graphics 910 left arrow AMD Radeon 8 Graphics (Renoir)
      • GPU frequency
        0.35 GHz left arrow 1.75 GHz
      • GPU (Turbo)
        1.45 GHz left arrow No turbo
      • Execution units
        32 left arrow 8
      • Shader
        256 left arrow 512
      • Max. GPU Memory
        -- left arrow 2 GB
      • Max. displays
        3 left arrow 3
      • Generation
        11 left arrow 9
      • DirectX Version
        12 left arrow 12
      • Technology
        10 nm left arrow 7 nm
      • Release date
        left arrow Q1/2020
      Hardware codec support
      • h265 / HEVC (8 bit)
        Decode / Encode left arrow Decode / Encode
      • h265 / HEVC (10 bit)
        Decode / Encode left arrow Decode / Encode
      • h264
        Decode / Encode left arrow Decode / Encode
      • VP9
        Decode / Encode left arrow Decode / Encode
      • VP8
        Decode / Encode left arrow Decode / Encode
      • AV1
        No left arrow No
      • AVC
        Decode / Encode left arrow Decode / Encode
      • VC-1
        Decode left arrow Decode
      • JPEG
        Decode / Encode left arrow Decode / Encode
      Memory & PCIe
      • Memory type
        DDR4-3200 left arrow DDR4-3200
      • Max. Memory
        128 GB left arrow 64 GB
      • ECC
        No left arrow Yes
      • Memory channels
        2 left arrow 2
      • PCIe version
        3.0 left arrow 3.0
      • PCIe lanes
        16 left arrow 12
      Encryption
      • AES-NI
        Yes left arrow Yes
      Thermal Management
      • TDP (PL1)
        65 W left arrow 45 W
      • TDP up
        -- left arrow 54 W
      • TDP down
        55 W left arrow --
      • Tjunction max.
        100 °C left arrow 95 °C
      Technical details
      • Instruction set (ISA)
        x86-64 (64 bit) left arrow x86-64 (64 bit)
      • Virtualization
        VT-x, VT-x EPT, VT-d left arrow AMD-V, SVM
      • ISA extensions
        SSE4.1, SSE4.2, AVX2, AVX-512 left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
      • L2-Cache
        4.00 MB left arrow 4.00 MB
      • L3-Cache
        20.00 MB left arrow 16.00 MB
      • Architecture
        Tiger Lake H left arrow Cezanne (Zen 3)
      • Technology
        10 nm left arrow 7 nm
      • Socket
        BGA 1787 left arrow AM4
      • Release date
        Q2/2021 left arrow Q2/2021
      Devices using this processor
      • Used in
        Unknown left arrow Unknown

      Performance tests

      Real tests CPUs

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