Raspberry Pi 4 B (Broadcom BCM2711) vs AMD Ryzen Embedded R1305G. Specifications, performance, tests

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

• CPU group
  Broadcom BCM2711 AMD Ryzen Embedded R1000
• Family
  Broadcom BCM AMD Ryzen Embedded
• Generation
  4 1
• Segment
  Desktop / Server Desktop / Server

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• A-Core
  4x Cortex-A72 -
• Base Frequency
  1.5 GHz 1.5 GHz
• Core architecture
  normal normal
• CPU Cores
  4 2
• CPU Threads
  4 4
• Hyperthreading / SMT
  No Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  No turbo 2.8 GHz
• Turbo Frequency (4 Cores)
  No turbo -
• Turbo Frequency (2 Cores)
  - 2.2 GHz

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
• Execution units
  4 3
• Generation
  6 8
• GPU Frequency
  500 MHz 1000 MHz
• GPU name
  Broadcom VideoCore VI AMD Radeon Vega 3 Graphics
• GPU Turbo
  No turbo No turbo
• Max. displays
  2 3
• Max. GPU Memory
  2 GB 2 GB
• Release date
  06/2019 Q1/2018
• Shader
  64 192
• Technology
  28 nm 14 nm

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

• AV1
  No No
• H.264 / AVC
  Conflicting source values: Decode | Decode / Encode Decode / Encode
• h265 / HEVC (8 bit)
  Decode Decode / Encode
• h265 / HEVC (10 bit)
  Decode Decode / Encode
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• VP8
  Decode Decode / Encode
• VP9
  Decode Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen Embedded R1305G and Raspberry Pi 4 B (Broadcom BCM2711). Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  8192 GB 32 GB
• Memory channels
  1 2
• Memory type
  - DDR4-2400
• PCIe lanes
  - 8
• PCIe version
  - 3.0

• AES-NI
  No Yes

Compare the TDP requirements of TDP Raspberry Pi 4 B (Broadcom BCM2711) and AMD Ryzen Embedded R1305G 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
  - 105 °C
• TDP (PL1, legacy label)
  7.5 W 8 W
• TDP down
  3 W -
• TDP up
  - 10 W

Architecture, interfaces, additional instructions supported by Raspberry Pi 4 B (Broadcom BCM2711) and AMD Ryzen Embedded R1305G, virtual machine technologies and process technology.

• Architecture
  Cortex-A72 Banded Kestrel (Zen)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  - SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  1 MB -
• L3-Cache
  - 4 MB
• Release date
  06/2019 Q1/2020
• Socket
  - FP5
• Technology
  28 nm 14 nm
• Virtualization
  None AMD-V, SVM