AMD A4-9120 vs AMD A8-4500M. Specifications, performance, tests

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

• CPU group
  AMD A4-9000 AMD A8-4000M
• Family
  AMD A AMD A
• Generation
  6 2
• 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
  2.2 GHz 1.9 GHz
• Core architecture
  normal normal
• CPU Cores
  2 4
• CPU Threads
  2 4
• Hyperthreading / SMT
  No No
• Overclocking
  No No
• Turbo Frequency (1 Core)
  2.5 GHz 2.8 GHz
• Turbo Frequency (2 Cores)
  2.2 GHz -
• Turbo Frequency (4 Cores)
  - 2.8 GHz

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
• Execution units
  2 4
• Generation
  7 4
• GPU Frequency
  660 MHz 500 MHz
• GPU name
  AMD Radeon R3 (Stoney Ridge) AMD Radeon HD 7640G
• GPU Turbo
  No turbo 690 MHz
• Max. displays
  3 2
• Max. GPU Memory
  2 GB 2 GB
• Release date
  Q2/2016 Q2/2012
• Shader
  128 256
• Technology
  28 nm 32 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 | Decode / Encode Decode
• h265 / HEVC (8 bit)
  Decode No
• h265 / HEVC (10 bit)
  Decode No
• JPEG
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• VP8
  Decode No
• VP9
  Decode No

Types, channel quantity of RAM supported by AMD A8-4500M and AMD A4-9120. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  8 GB -
• Memory channels
  1 2
• Memory type
  DDR4-2133 DDR3-1600
• PCIe lanes
  8 -
• PCIe version
  3.0 -

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD A4-9120 and AMD A8-4500M 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)
  15 W 35 W
• TDP down
  10 W -

Architecture, interfaces, additional instructions supported by AMD A4-9120 and AMD A8-4500M, virtual machine technologies and process technology.

• Architecture
  Stoney Ridge (Excavator) Trinity (Piledriver)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L3-Cache
  2 MB 4 MB
• Release date
  Q2/2017 Q2/2012
• Socket
  FP4 FS1r2
• Technology
  28 nm 32 nm
• Virtualization
  AMD-V AMD-V