Elbrus-8SB vs Raspberry Pi 4 B (Broadcom BCM2711). Specifications, performance, tests

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

• CPU group
  Elbrus-8 Broadcom BCM2711
• Family
  Elbrus Broadcom BCM
• Segment
  Desktop Desktop / Server
• Generation
  - 4

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

• Base Frequency
  1.5 GHz 1.5 GHz
• CPU Cores
  8 4
• CPU Threads
  8 4
• A-Core
  - 4x Cortex-A72
• Core architecture
  - normal
• Hyperthreading / SMT
  - No
• Overclocking
  - Yes
• Turbo Frequency (1 Core)
  - No turbo
• Turbo Frequency (4 Cores)
  - No turbo

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

• Execution units
  - 4
• Generation
  - 6
• GPU Frequency
  - 500 MHz
• GPU name
  - Broadcom VideoCore VI
• GPU Turbo
  - No turbo
• Max. displays
  - 2
• Max. GPU Memory
  - 2 GB
• Release date
  - 06/2019
• Shader
  - 64
• Technology
  - 28 nm

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

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

Types, channel quantity of RAM supported by Raspberry Pi 4 B (Broadcom BCM2711) and Elbrus-8SB. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory channels
  4 1
• Memory type
  DDR4-2400 -
• ECC
  - No
• Max. Memory
  - 8192 GB

• AES-NI
  - No

Compare the TDP requirements of TDP Elbrus-8SB and Raspberry Pi 4 B (Broadcom BCM2711) Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• TDP (PL1, legacy label)
  90 W 7.5 W
• TDP down
  - 3 W

Architecture, interfaces, additional instructions supported by Elbrus-8SB and Raspberry Pi 4 B (Broadcom BCM2711), virtual machine technologies and process technology.

• L1-Cache
  64 + 128 KB -
• L2-Cache
  4 MB 1 MB
• L3-Cache
  16 MB -
• Release date
  Q1/2020 06/2019
• Socket
  FCBGA 2028 -
• Technology
  28 nm 28 nm
• Architecture
  - Cortex-A72
• Instruction set (ISA)
  - x86-64 (64 bit)
• Virtualization
  - None