Intel Atom E3845 vs Raspberry Pi 4 B (Broadcom BCM2711). Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  Intel Atom Broadcom BCM
• Generation
  4 4
• CPU group
  Intel Atom E3800 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
  1.91 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
  No 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
  Intel HD Graphics (Bay Trail GT1) Broadcom VideoCore VI
• GPU frequency
  0.54 GHz 0.50 GHz
• GPU (Turbo)
  0.79 GHz No turbo
• Execution units
  4 4
• Shader
  32 64
• Max. GPU Memory
  8 GB 2 GB
• Max. displays
  2 2
• Generation
  7 6
• DirectX Version
  11.2
• Technology
  22 nm 28 nm
• Release date
  Q3/2013 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 / Encode Decode / Encode
• VP9
  No Decode
• VP8
  No Decode
• AV1
  No No
• AVC
  Decode / Encode Decode
• VC-1
  Decode Decode
• JPEG
  Decode Decode / Encode

Types, channel quantity of RAM supported by Raspberry Pi 4 B (Broadcom BCM2711) and Intel Atom E3845. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3L-1333 SO-DIMM
• Max. Memory
  8192 GB
• ECC
  No No
• Memory channels
  1 1

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Atom E3845 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)
  10 W 7.5 W
• TDP down
  -- 3 W

Architecture, interfaces, additional instructions supported by Intel Atom E3845 and Intel Atom E3845, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT None
• ISA extensions
  SSE4.1, SSE4.2
• L2-Cache
  -- 1.00 MB
• L3-Cache
  2.00 MB --
• Architecture
  Bay Trail Cortex-A72
• Technology
  22 nm 28 nm
• Socket
  BGA 1170 N/A
• Release date
  Q4/2013 06/2019