Intel Core i5-2550k vs Intel Atom S1240. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i5 Intel Atom
• Generation
  2 1
• CPU group
  Intel Core i 2000 Intel Atom S1000

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
  3.40 GHz 1.60 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  3.80 GHz No turbo
• CPU Threads
  4 4
• Hyperthreading
  No Yes
• Overclocking
  Yes No
• Core architecture
  normal normal

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
  no iGPU no iGPU
• GPU (Turbo)
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by Intel Atom S1240 and Intel Core i5-2550k. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1333 DDR3-1333
• Max. Memory
  32 GB
• ECC
  No Yes
• Memory channels
  2 1
• PCIe version
  2.0 2.0
• PCIe lanes
  16 8

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i5-2550k and Intel Atom S1240 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  95 W 6.1 W

Architecture, interfaces, additional instructions supported by Intel Core i5-2550k and Intel Core i5-2550k, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT VT-x
• ISA extensions
  SSE4.1, SSE4.2, AVX SSE3
• L3-Cache
  6.00 MB 1.00 MB
• Architecture
  Sandy Bridge S Centerton
• Technology
  32 nm 32 nm
• Socket
  LGA 1155 BGA 1283
• Release date
  Q1/2012 Q4/2012