AMD A8-3870K vs Raspberry Pi 4 B (Broadcom BCM2711). Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD A Broadcom BCM
• Generation
  1 4
• CPU group
  AMD A8-3000 Broadcom BCM2711

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  3.10 GHz 1.50 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  No turbo No turbo
• CPU Threads
  4 4
• Turbo (4 Cores)
  No turbo No turbo
• Hyperthreading
  No No
• Overclocking
  Yes Yes
• Core architecture
  normal normal
• A core
  -- 4x Cortex-A72

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• GPU name
  AMD Radeon HD 6550D Broadcom VideoCore VI
• GPU frequency
  0.60 GHz 0.50 GHz
• GPU (Turbo)
  No turbo No turbo
• Execution units
  5 4
• Shader
  400 64
• Max. GPU Memory
  1 GB 2 GB
• Max. displays
  2 2
• Generation
  3 6
• DirectX Version
  11
• Technology
  32 nm 28 nm
• Release date
  Q2/2011 06/2019

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

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

Types, channel quantity of RAM supported by Raspberry Pi 4 B (Broadcom BCM2711) and AMD A8-3870K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1600
• Max. Memory
  8192 GB
• ECC
  No No
• Memory channels
  2 1

• AES-NI
  No No

Compare the TDP requirements of TDP AMD A8-3870K and Raspberry Pi 4 B (Broadcom BCM2711) to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  100 W 7.5 W
• TDP down
  -- 3 W

Architecture, interfaces, additional instructions supported by AMD A8-3870K and AMD A8-3870K, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V None
• ISA extensions
  SSE3, SSE4a
• L2-Cache
  -- 1.00 MB
• L3-Cache
  4.00 MB --
• Architecture
  Llano (K10) Cortex-A72
• Technology
  32 nm 28 nm
• Socket
  FM1 N/A
• Release date
  Q4/2011 06/2019