AMD Ryzen 7 5800U vs HiSilicon Kirin 620

Let's find out which one of AMD Ryzen 7 5800U and HiSilicon Kirin 620 is of a more recent generation, and what segment it belongs to.

• Name
  AMD Ryzen 7 5800U HiSilicon Kirin 620
• Segment
  Mobile Mobile
• Family
  AMD Ryzen HiSilicon Kirin
• Generation
  4 3
• CPU group
  AMD Ryzen 5000U HiSilicon Kirin 620

In this block we are going to compare AMD Ryzen 7 5800U vs HiSilicon Kirin 620 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
  1.90 GHz 1.20 GHz
• CPU Cores
  8 4
• Turbo (1 Core)
  4.40 GHz 1.20 GHz
• CPU Threads
  16 4
• Hyperthreading
  Yes No
• Overclocking
  No No
• Core architecture
  normal normal

Common specifications for integrated graphics cards in AMD Ryzen 7 5800U and HiSilicon Kirin 620 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

• GPU name
  AMD Radeon 8 Graphics (Renoir) ARM Mali-450 MP4
• GPU frequency
  2.00 GHz 0.53 GHz
• GPU (Turbo)
  No turbo 0.53 GHz
• Execution units
  8 4
• Shader
  512 64
• Max. GPU Memory
  2 GB --
• Max. displays
  3 1
• Generation
  9 Utgard
• DirectX Version
  12 0
• Technology
  7 nm 28nm
• Release date
  Q1/2020 2012

Let's compare the support of video codecs between AMD Ryzen 7 5800U and HiSilicon Kirin 620. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

To choose the best model between AMD Ryzen 7 5800U and HiSilicon Kirin 620 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 LPDDR3
• Max. Memory
  32 GB
• ECC
  Yes No
• Memory channels
  2 1
• PCIe version
  3.0
• PCIe lanes
  12

AES-NI encryption support for CPUs AMD Ryzen 7 5800U and HiSilicon Kirin 620.

• AES-NI
  Yes No

Let's find out what TDP value would be better for AMD Ryzen 7 5800U or HiSilicon Kirin 620? 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)
  15 W
• TDP up
  25 W --
• TDP down
  10 W --
• Tjunction max.
  105 °C --

Here you can find a comparison of 2nd and 3rd level cache sizes for AMD Ryzen 7 5800U and HiSilicon Kirin 620 CPUs along with a list of ISA extensions.

• Instruction set (ISA)
  x86-64 (64 bit) ARMv8-A64 (64 bit)
• Virtualization
  AMD-V, SVM None
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L3-Cache
  16.00 MB --
• Architecture
  Cezanne (Zen 3) Cortex-A53
• Technology
  7 nm 28 nm
• Socket
  FP6 N/A
• Release date
  Q1/2021 Q1/2015

List of devices based on AMD Ryzen 7 5800U and HiSilicon Kirin 620.

• Used in
  Unknown Unknown