Intel Atom x5-Z8550 vs Intel Celeron 2957U. Specifications, performance, tests

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

• CPU group
  Intel Atom x3/x5/x7 Intel Celeron 2000
• Family
  Intel Atom Intel Celeron
• 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.

• Base Frequency
  1.44 GHz 1.4 GHz
• Core architecture
  normal normal
• CPU Cores
  4 2
• CPU Threads
  4 2
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.4 GHz No turbo
• Turbo Frequency (4 Cores)
  2.4 GHz -
• Turbo Frequency (2 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.

• DirectX Version
  12 11.1
• Execution units
  12 10
• Generation
  8 7.5
• GPU Frequency
  200 MHz 200 MHz
• GPU name
  Intel HD Graphics 400 Intel HD Graphics (Haswell GT1)
• GPU Turbo
  600 MHz 1000 MHz
• Max. displays
  3 3
• Max. GPU Memory
  8 GB -
• Release date
  Q1/2015 Q4/2012
• Shader
  96 80
• Technology
  14 nm 22 nm

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

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

Types, channel quantity of RAM supported by Intel Celeron 2957U and Intel Atom x5-Z8550. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  2 2
• Memory type
  DDR3L-1600 SO-DIMM DDR3L-1600 SO-DIMM
• PCIe lanes
  2 10
• PCIe version
  2.0 2.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Atom x5-Z8550 and Intel Celeron 2957U 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)
  2 W 15 W

Architecture, interfaces, additional instructions supported by Intel Atom x5-Z8550 and Intel Celeron 2957U, virtual machine technologies and process technology.

• Architecture
  Cherry Trail Haswell U
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2 SSE4.1, SSE4.2
• L3-Cache
  2.00 MB 2.00 MB
• Release date
  Q1/2016 Q4/2013
• Socket
  BGA 138 BGA 1168
• Technology
  14 nm 22 nm
• Virtualization
  VT-x, VT-x EPT VT-x, VT-x EPT, VT-d