AMD FX-4300 vs AMD Athlon II X4 651. Specifications, performance, tests

Comprehensive background on the processors being compared, detailing their series, generation, and targeted market segment.

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD FX AMD Athlon II
• Generation
  2 2
• CPU group
  AMD FX-4300 AMD Athlon II X4 (Llano)

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• Frequency
  3.80 GHz 3.00 GHz
• Overclocking
  Yes No
• Core architecture
  normal normal

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

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

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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

Overview of the types and quantities of RAM supported by AMD Athlon II X4 651 and AMD FX-4300. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR3-1866 DDR3-1333
• Max. Memory
  16 GB
• ECC
  Yes No
• Memory channels
  2 2

Analyze the TDP (Thermal Design Power) requirements of AMD FX-4300 and AMD Athlon II X4 651 to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

• TDP (PL1)
  95 W 100 W

Information on architecture, interfaces, and additional instructions supported by AMD FX-4300 and AMD Athlon II X4 651, including virtual machine technologies and fabrication processes.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V
• ISA extensions
  SSE4.1, SSE4.2, AVX, FMA3, FMA4 MMX, 3DNow!, SSE3, SSE4a
• L2-Cache
  -- 4.00 MB
• L3-Cache
  4.00 MB --
• Architecture
  Vishera (Bulldozer) Llano
• Technology
  32 nm 32 nm
• Socket
  AM3+ FM1
• Release date
  Q4/2012 Q4/2011