Raspberry Pi 4 B (Broadcom BCM2711) vs Intel Atom x5-Z8500. Specifications, performance, tests

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

• Segment
  Desktop / Server Mobile
• Family
  Broadcom BCM Intel Atom
• Generation
  4 1
• CPU group
  Broadcom BCM2711 Intel Atom x3/x5/x7

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
  1.50 GHz 1.44 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  No turbo 2.24 GHz
• CPU Threads
  4 4
• Turbo (4 Cores)
  No turbo 2.24 GHz
• Hyperthreading
  No No
• Overclocking
  Yes No
• 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
  Broadcom VideoCore VI Intel HD Graphics 400
• GPU frequency
  0.50 GHz 0.20 GHz
• GPU (Turbo)
  No turbo 0.60 GHz
• Execution units
  4 12
• Shader
  64 96
• Max. GPU Memory
  2 GB 8 GB
• Max. displays
  2 3
• Generation
  6 8
• DirectX Version
  12
• Technology
  28 nm 14 nm
• Release date
  06/2019 Q1/2015

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

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

Types, channel quantity of RAM supported by Intel Atom x5-Z8500 and Raspberry Pi 4 B (Broadcom BCM2711). Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3L-1600 SO-DIMM
• Max. Memory
  8192 GB
• ECC
  No No
• Memory channels
  1 2
• PCIe version
  2.0
• PCIe lanes
  2

• AES-NI
  No Yes

Compare the TDP requirements of TDP Raspberry Pi 4 B (Broadcom BCM2711) and Intel Atom x5-Z8500 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  7.5 W 2 W
• TDP down
  3 W --

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

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  None VT-x, VT-x EPT
• ISA extensions
  SSE4.1, SSE4.2
• L2-Cache
  1.00 MB --
• L3-Cache
  -- 2.00 MB
• Architecture
  Cortex-A72 Cherry Trail
• Technology
  28 nm 14 nm
• Socket
  N/A BGA 138
• Release date
  06/2019 Q2/2015