AMD A10-7870K vs Intel Core i3-2120. Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  AMD A Intel Core i3
• Generation
  4 2
• CPU group
  AMD A10-7000 Intel Core i 2000

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
  3.90 GHz 3.30 GHz
• CPU Cores
  4 2
• Turbo (1 Core)
  4.10 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
  AMD Radeon R7 - 512 (Kaveri) Intel HD Graphics 2000
• GPU frequency
  0.86 GHz 0.85 GHz
• GPU (Turbo)
  No turbo 1.10 GHz
• Execution units
  8 6
• Shader
  512 48
• Max. GPU Memory
  2 GB --
• Max. displays
  2 2
• Generation
  6 6
• DirectX Version
  12 10.1
• Technology
  28 nm 32 nm
• Release date
  Q1/2014 Q1/2011

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
  Decode Decode / Encode
• VP9
  No No
• VP8
  No No
• AV1
  No No
• AVC
  Decode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by Intel Core i3-2120 and AMD A10-7870K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-2133 DDR3-1066DDR3-1333
• Max. Memory
  32 GB
• ECC
  Yes No
• Memory channels
  2 2
• PCIe version
  3.0 2.0
• PCIe lanes
  16 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A10-7870K and Intel Core i3-2120 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  95 W 65 W

Architecture, interfaces, additional instructions supported by AMD A10-7870K and AMD A10-7870K, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V VT-x, VT-x EPT
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4.1, SSE4.2, AVX
• L3-Cache
  4.00 MB 3.00 MB
• Architecture
  Kaveri (Steamroller) Sandy Bridge S
• Technology
  28 nm 32 nm
• Socket
  FM2+ LGA 1155
• Release date
  Q2/2015 Q1/2011