AMD A8-4500M vs AMD Athlon X4 845. Specifications, performance, tests

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

• Segment
  Mobile Desktop / Server
• Family
  AMD A AMD Athlon
• Generation
  2 2
• CPU group
  AMD A8-4000M AMD Athlon X4 (Carizzo)

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
  1.90 GHz 3.50 GHz
• CPU Cores
  4 4
• Turbo (1 Core)
  2.80 GHz 3.80 GHz
• CPU Threads
  4 4
• Turbo (4 Cores)
  2.80 GHz 3.80 GHz
• Hyperthreading
  No No
• Overclocking
  No 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 HD 7640G no iGPU
• GPU frequency
  0.50 GHz
• GPU (Turbo)
  0.69 GHz No turbo
• Execution units
  4
• Shader
  256
• Max. GPU Memory
  2 GB --
• Max. displays
  2
• Generation
  4
• DirectX Version
  11
• Technology
  32 nm
• Release date
  Q2/2012

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

Types, channel quantity of RAM supported by AMD Athlon X4 845 and AMD A8-4500M. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1600 DDR3-2133
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  3.0
• PCIe lanes
  8

• AES-NI
  Yes No

Compare the TDP requirements of TDP AMD A8-4500M and AMD Athlon X4 845 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  35 W 65 W

Architecture, interfaces, additional instructions supported by AMD A8-4500M and AMD A8-4500M, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V None
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE3
• L3-Cache
  4.00 MB 2.00 MB
• Architecture
  Trinity (Piledriver) Carizzo
• Technology
  32 nm 28 nm
• Socket
  FS1r2 FM2+
• Release date
  Q2/2012 Q1/2016