Intel Core i9-11900KB
AMD Ryzen 7 2800H
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Intel Core i9-11900KB vs AMD Ryzen 7 2800H. Specifications, performance, tests

User rating
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Released
Q2/2021
Intel Core i9-11900KB
Intel Core i9-11900KB
Released
Q4/2018
User rating
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AMD Ryzen 7 2800H
AMD Ryzen 7 2800H

What's the best choice Intel Core i9-11900KB or AMD Ryzen 7 2800H? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Core i9-11900KB has a base frequency of 3.30 GHz. 8 CPU Cores / Threads. Stated TDP / base power 65 W. Released in Q2/2021.

AMD Ryzen 7 2800H has a base frequency of 3.30 GHz. 4 CPU Cores / Threads. Stated TDP / base power 45 W. Released in Q4/2018.

Differences

  • More number of cores

    4 more cores

    8 left arrow 4
  • Higher turbo clock speed

    Around 39% higher specified turbo frequency

    5.30 GHz left arrow 3.80 GHz

Positions in all rankings

Common positions Intel Core i9-11900KB CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    44 place
  • Cinebench R23 (Multi-Core)
    116 place
  • Cinebench R20 (Single-Core)
    39 place
  • Cinebench R20 (Multi-Core)
    114 place
  • Cinebench R15 (Single-Core)
    19 place
  • Cinebench R15 (Multi-Core)
    120 place
  • Geekbench 5, 64bit (Single-Core)
    43 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    422 place
  • Blender 2.81 (bmw27)
    38 place
AMD Ryzen 7 2800H Reasons to consider
AMD Ryzen 7 2800H
Report a bug
  • Lower stated TDP / base power

    Power limits alone do not measure performance per watt.

    45 W left arrow 65 W

Positions in all rankings

Common positions AMD Ryzen 7 2800H CPU in popular benchmarks, for comparison with other models.

  • iGPU - FP32 Performance (Single-precision GFLOPS)
    113 place
  • Estimated results for PassMark CPU Mark
    473 place

Specifications

Technical data
Intel Core i9-11900KB Intel Core i9-11900KB
AMD Ryzen 7 2800H AMD Ryzen 7 2800H
CPU family and group

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

  • CPU group
    Intel Core i 11000H left arrow AMD Ryzen 2000H
  • Family
    Intel Core i9 left arrow AMD Ryzen
  • Generation
    11 left arrow 1
  • Segment
    Mobile left arrow Mobile
CPU Technical specs

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 left arrow 3.3 GHz
  • Core architecture
    normal left arrow normal
  • CPU Cores
    8 left arrow 4
  • CPU Threads
    16 left arrow 8
  • Hyperthreading / SMT
    Yes left arrow Yes
  • Overclocking
    Yes left arrow No
  • Turbo Frequency (1 Core)
    5.3 GHz left arrow 3.8 GHz
  • Turbo Frequency (8 Cores)
    4.9 GHz left arrow -
  • Turbo Frequency (4 Cores)
    - left arrow No turbo
IGPU

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 left arrow 12
  • Execution units
    32 left arrow 11
  • Generation
    11 left arrow 8
  • GPU Frequency
    350 MHz left arrow 1300 MHz
  • GPU name
    Intel UHD Graphics 910 left arrow AMD Radeon Vega 11 Graphics
  • GPU Turbo
    1450 MHz left arrow No turbo
  • Max. displays
    3 left arrow 3
  • Max. GPU Memory
    - left arrow 2 GB
  • Release date
    - left arrow Q1/2018
  • Shader
    256 left arrow 704
  • Technology
    10 nm left arrow 14 nm
Hardware codec support

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

  • AV1
    No left arrow No
  • H.264 / AVC
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (8 bit)
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow Decode / Encode
  • JPEG
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • VP8
    Decode / Encode left arrow Decode / Encode
  • VP9
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Types, channel quantity of RAM supported by AMD Ryzen 7 2800H and Intel Core i9-11900KB. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • ECC
    No left arrow Yes
  • Max. Memory
    128 GB left arrow 32 GB
  • Memory channels
    2 left arrow 2
  • Memory type
    DDR4-3200 left arrow DDR4-3200
  • PCIe lanes
    16 left arrow 12
  • PCIe version
    3.0 left arrow 3.0
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i9-11900KB and AMD Ryzen 7 2800H 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 left arrow 95 °C
  • TDP (PL1, legacy label)
    65 W left arrow 45 W
  • TDP down
    55 W left arrow 54 W
  • TDP up
    - left arrow 35 W
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i9-11900KB and AMD Ryzen 7 2800H, virtual machine technologies and process technology.

  • Architecture
    Tiger Lake H left arrow Raven Ridge (Zen)
  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • 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 -
  • L3-Cache
    20.00 MB left arrow 4.00 MB
  • Release date
    Q2/2021 left arrow Q4/2018
  • Socket
    BGA 1787 left arrow FP5
  • Technology
    10 nm left arrow 14 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow AMD-V, SVM

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i9-11900KB and AMD Ryzen 7 2800H.

Compare the synthetic test values and choose the best processor!

These are saved results from the earlier catalog. Measurement dates and test configurations were not recorded. Models with no comparable results are omitted.

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games

Higher values are better in this metric.

742.000000
Intel Core i9-11900KB
1830.000000
AMD Ryzen 7 2800H

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