AMD Phenom II X2 B55
AMD Ryzen 5 5600U
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AMD Phenom II X2 B55 vs AMD Ryzen 5 5600U

Overall score
star star star star star
Released
Q4/2009
Released
Q1/2021
Overall score
star star star star star

Which one of the central processing units is better: AMD Phenom II X2 B55 or AMD Ryzen 5 5600U? On this page we compare the technical data and benchmark results of different CPUs.

The AMD Phenom II X2 B55 has 2 cores and 2 threads with maximum working frequency of No turbo. The AMD Phenom II X2 B55 was released on Q4/2009.

The AMD Ryzen 5 5600U has 6 cores with 2 threads and No turbo of frequency. The AMD Ryzen 5 5600U was released on Q1/2021.

Differences
Reasons to consider
AMD Phenom II X2 B55
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  • Higher clock speed
    3.00 GHz left arrow 2.30 GHz
    Around -30% better clock speed
Reasons to consider
AMD Ryzen 5 5600U
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  • More number of cores
    6 left arrow 2
    3 times more cores
  • Performance per watt
    15 W left arrow 80 W
    About 0.19 times less performance per watt
Performance tests
Real tests AMD Phenom II X2 B55 vs AMD Ryzen 5 5600U
Specifications
Complete list of technical specifications
AMD Phenom II X2 B55 AMD Phenom II X2 B55
AMD Ryzen 5 5600U AMD Ryzen 5 5600U
CPU generation and family

Let's find out which one of AMD Phenom II X2 B55 and AMD Ryzen 5 5600U is of a more recent generation, and what segment it belongs to.

  • Name
    AMD Phenom II X2 B55 left arrow AMD Ryzen 5 5600U
  • Segment
    Desktop / Server left arrow Mobile
  • Family
    AMD Phenom II left arrow AMD Ryzen
  • Generation
    2 left arrow 4
  • CPU group
    AMD Phenom II - 545 left arrow AMD Ryzen 5000U
CPU Cores and Base Frequency

In this block we are going to compare AMD Phenom II X2 B55 vs AMD Ryzen 5 5600U 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.

  • Frequency
    3.00 GHz left arrow 2.30 GHz
  • CPU Cores
    2 left arrow 6
  • Turbo (1 Core)
    No turbo left arrow 4.20 GHz
  • CPU Threads
    2 left arrow 12
  • Hyperthreading
    No left arrow Yes
  • Overclocking
    Yes left arrow No
  • Core architecture
    normal left arrow normal
Internal Graphics

Common specifications for integrated graphics cards in AMD Phenom II X2 B55 and AMD Ryzen 5 5600U along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

  • GPU name
    no iGPU left arrow AMD Radeon 7 Graphics (Renoir)
  • GPU frequency
    left arrow 1.80 GHz
  • GPU (Turbo)
    No turbo left arrow No turbo
  • Execution units
    left arrow 7
  • Shader
    left arrow 448
  • Max. GPU Memory
    -- left arrow 2 GB
  • Max. displays
    left arrow 3
  • Generation
    left arrow 9
  • DirectX Version
    left arrow 12
  • Technology
    left arrow 7 nm
  • Release date
    left arrow Q1/2020
Hardware codec support

Let's compare the support of video codecs between AMD Phenom II X2 B55 and AMD Ryzen 5 5600U. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Phenom II X2 B55 and AMD Ryzen 5 5600U 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
    DDR2-1066 left arrow DDR4-3200LPDDR4-4266
  • Max. Memory
    left arrow 32 GB
  • ECC
    No left arrow Yes
  • Memory channels
    2 left arrow 2
  • PCIe version
    left arrow 3.0
  • PCIe lanes
    left arrow 12
Encryption

AES-NI encryption support for CPUs AMD Phenom II X2 B55 and AMD Ryzen 5 5600U.

  • AES-NI
    No left arrow Yes
Thermal Management

Let's find out what TDP value would be better for AMD Phenom II X2 B55 or AMD Ryzen 5 5600U? 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)
    80 W left arrow 15 W
  • TDP up
    -- left arrow 25 W
  • TDP down
    -- left arrow 10 W
  • Tjunction max.
    -- left arrow 105 °C
Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Phenom II X2 B55 and AMD Ryzen 5 5600U CPUs along with a list of ISA extensions.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    AMD-V left arrow AMD-V, SVM
  • ISA extensions
    SSE3, SSE4a left arrow SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
  • L3-Cache
    6.00 MB left arrow 16.00 MB
  • Architecture
    Callisto (K10) left arrow Cezanne (Zen 3)
  • Technology
    45 nm left arrow 7 nm
  • Socket
    AM3 left arrow FP6
  • Release date
    Q4/2009 left arrow Q1/2021
Devices using this processor

List of devices based on AMD Phenom II X2 B55 and AMD Ryzen 5 5600U.

  • Used in
    Unknown left arrow Unknown
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