Samsung Exynos 7578 vs Intel Atom Z3745. Specifications, performance, tests

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

• CPU group
  Samsung Exynos 7578/7580 Intel Atom Z3700
• Family
  Samsung Exynos Intel Atom
• Generation
  1 4
• Segment
  Mobile Mobile

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

• A-Core
  4x Cortex-A53 -
• Base Frequency
  1.5 GHz 1.33 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  1.5 GHz 1.86 GHz
• Turbo Frequency (4 Cores)
  1.5 GHz 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.

• DirectX Version
  11 11.2
• Execution units
  2 4
• Generation
  Midgard 3 7
• GPU Frequency
  650 MHz 310 MHz
• GPU name
  ARM Mali-T720 MP2 Intel HD Graphics (Bay Trail GT1)
• GPU Turbo
  650 MHz 780 MHz
• Max. displays
  2 2
• Max. GPU Memory
  - 8 GB
• Release date
  Q4/2013 Q3/2013
• Shader
  32 32
• Technology
  28nm 22 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 / Encode | No Decode / Encode
• h265 / HEVC (8 bit)
  No No
• h265 / HEVC (10 bit)
  No No
• JPEG
  No Decode
• VC-1
  No Decode
• VP8
  Decode / Encode No
• VP9
  No No

Types, channel quantity of RAM supported by Intel Atom Z3745 and Samsung Exynos 7578. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  - 4 GB
• Memory channels
  0 2
• Memory type
  LPDDR3-1066 LPDDR3-1066

• AES-NI
  No Yes

Compare the TDP requirements of TDP Samsung Exynos 7578 and Intel Atom Z3745 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
  - 90 °C
• TDP (PL1, legacy label)
  - 4 W

Architecture, interfaces, additional instructions supported by Samsung Exynos 7578 and Intel Atom Z3745, virtual machine technologies and process technology.

• Architecture
  Cortex-A53 Bay Trail
• Instruction set (ISA)
  ARMv8-A64 (64 bit) x86-64 (64 bit)
• ISA extensions
  - SSE4.1, SSE4.2
• L3-Cache
  - 2 MB
• Release date
  Q2/2015 Q1/2014
• Socket
  - BGA 1380
• Technology
  28 nm 22 nm
• Virtualization
  None VT-x, VT-x EPT