Intel Core i3-11100B
AMD Ryzen 9 5900X
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AMD Ryzen 9 5900X vs Intel Core i3-11100B

Overall score
star star star star star
Released
Q2/2021
Released
Q4/2020
Overall score
star star star star star

Which one of the central processing units is better: AMD Ryzen 9 5900X or Intel Core i3-11100B? On this page we compare the technical data and benchmark results of different CPUs.

The AMD Ryzen 9 5900X has 12 cores and 24 threads with maximum working frequency of 4.80 GHz. The AMD Ryzen 9 5900X was released on Q4/2020.

The Intel Core i3-11100B has cores with 24 threads and 4.80 GHz of frequency. The Intel Core i3-11100B was released on Q2/2021.

Differences
Reasons to consider
Intel Core i3-11100B
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  • Performance per watt
    65 W left arrow 105 W
    About 1.62 0.97 times less performance per watt
Reasons to consider
AMD Ryzen 9 5900X
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  • Higher clock speed
    3.70 GHz left arrow 3.60 GHz
    Around 3% better clock speed
Performance tests
Real tests Intel Core i3-11100B vs AMD Ryzen 9 5900X
Specifications
Complete list of technical specifications
Intel Core i3-11100B Intel Core i3-11100B
AMD Ryzen 9 5900X AMD Ryzen 9 5900X
CPU generation and family

Let's find out which one of Intel Core i3-11100B and AMD Ryzen 9 5900X is of a more recent generation, and what segment it belongs to.

  • Name
    Intel Core i3-11100B left arrow AMD Ryzen 9 5900X
  • Family
    Intel Core i3 left arrow AMD Ryzen
  • CPU group
    Intel Core i 11000 left arrow AMD Ryzen 5000
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Generation
    11 left arrow 4
  • Predecessor
    -- left arrow AMD Ryzen 9 3900X
  • Successor
    Intel Core i3-12100 left arrow --
CPU Cores and Base Frequency

In this block we are going to compare Intel Core i3-11100B vs AMD Ryzen 9 5900X by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

  • Core architecture
    normal left arrow normal
  • Overclocking
    No left arrow Yes
  • Frequency
    3.60 GHz left arrow 3.70 GHz
Internal Graphics

Common specifications for integrated graphics cards in Intel Core i3-11100B and AMD Ryzen 9 5900X along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

  • GPU name
    Intel UHD Graphics 11th Gen (16 EU) left arrow no iGPU
  • GPU frequency
    0.35 GHz left arrow
  • GPU (Turbo)
    1.40 GHz left arrow No turbo
  • Execution units
    16 left arrow
  • Shader
    128 left arrow
  • Max. GPU Memory
    64 GB left arrow --
  • Max. displays
    3 left arrow
  • Generation
    11 left arrow
  • Technology
    10 nm left arrow
  • Release date
    Q2/2021 left arrow
Hardware codec support

Let's compare the support of video codecs between Intel Core i3-11100B and AMD Ryzen 9 5900X. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

  • h265 / HEVC (8 bit)
    Decode / Encode left arrow No
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow No
  • h264
    Decode / Encode left arrow No
  • VP8
    Decode / Encode left arrow No
  • VP9
    Decode / Encode left arrow No
  • AV1
    Decode left arrow No
  • AVC
    Decode / Encode left arrow No
  • VC-1
    Decode left arrow No
  • JPEG
    Decode / Encode left arrow No
Memory & PCIe

To choose the best model between Intel Core i3-11100B and AMD Ryzen 9 5900X you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

  • Memory type
    DDR4-3200 left arrow DDR4-3200
  • Max. Memory
    128 GB left arrow 128 GB
  • Memory channels
    2 (Dual Channel) left arrow 2
  • ECC
    No left arrow Yes
Thermal Management

Let's find out what TDP value would be better for Intel Core i3-11100B or AMD Ryzen 9 5900X? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

  • TDP (PL1)
    65 W left arrow 105 W
  • TDP (PL2)
    -- left arrow 142 W
  • Tjunction max.
    100 \xc2\xb0C left arrow 95 °C
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Core i3-11100B and AMD Ryzen 9 5900X CPUs along with a list of ISA extensions.

  • Technology
    14 nm left arrow 7 nm
  • Socket
    LGA 1200 left arrow AM4
  • L2-Cache
    -- left arrow 6.00 MB
  • L3-Cache
    12.00 MB left arrow 64.00 MB
  • Architecture
    Rocket Lake S left arrow Vermeer (Zen 3)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow AMD-V, SVM
  • 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
  • Release date
    Q2/2021 left arrow Q4/2020
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