AMD Phenom II X4 940 vs AMD A10-5800K. Specifications, performance, tests

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

• CPU group
  AMD Phenom II - 800/900 AMD A10-5000
• Family
  AMD Phenom II AMD A
• Generation
  4 2
• Segment
  Desktop / Server Desktop / Server

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  3 GHz 3.8 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  No turbo 4.2 GHz
• Turbo Frequency (4 Cores)
  No turbo 4.2 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
  - 11
• Execution units
  - 6
• Generation
  - 4
• GPU Frequency
  - 800 MHz
• GPU name
  no iGPU AMD Radeon HD 7660D
• GPU Turbo
  No turbo No turbo
• Max. displays
  - 2
• Max. GPU Memory
  - 2 GB
• Release date
  - Q3/2012
• Shader
  - 384
• Technology
  - 32 nm

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

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

Types, channel quantity of RAM supported by AMD A10-5800K and AMD Phenom II X4 940. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Memory channels
  2 2
• Memory type
  DDR2-1066 DDR3-1866

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X4 940 and AMD A10-5800K 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)
  125 W 100 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X4 940 and AMD A10-5800K, virtual machine technologies and process technology.

• Architecture
  Deneb (K10) Trinity (Piledriver)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE3, SSE4a SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L3-Cache
  6 MB 4 MB
• Release date
  Q1/2009 Q3/2012
• Socket
  AM2+ FM2
• Technology
  45 nm 32 nm
• Virtualization
  AMD-V AMD-V