AMD FX-4300 vs AMD Ryzen 9 7900. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD FX AMD Ryzen 9
• Generation
  2 6
• CPU group
  AMD FX-4300 AMD Ryzen 7000
• Predecessor
  -- AMD Ryzen 9 5900

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
  3.80 GHz 3.80 GHz
• Overclocking
  Yes Yes
• 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
  no iGPU AMD Radeon Graphics (Raphael)
• GPU frequency
  0.40 GHz
• GPU (Turbo)
  No turbo 2.20 GHz
• Execution units
  2
• Shader
  128
• Max. GPU Memory
  -- 8 GB
• Max. displays
  3
• Generation
  9
• Technology
  5 nm
• Release date
  Q3/2022

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

• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode / Encode
• AV1
  No No
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 9 7900 and AMD FX-4300. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR3-1866 DDR5-5200
• Max. Memory
  128 GB
• ECC
  Yes Yes
• Memory channels
  2 2 (Dual Channel)

Compare the TDP requirements of TDP AMD FX-4300 and AMD Ryzen 9 7900 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  95 W 65 W
• Tjunction max.
  -- 95 °C

Architecture, interfaces, additional instructions supported by AMD FX-4300 and AMD FX-4300, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V AMD-V, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  -- 12.00 MB
• L3-Cache
  4.00 MB 64.00 MB
• Architecture
  Vishera (Bulldozer) Raphael (Zen 4)
• Technology
  32 nm 5 nm
• Socket
  AM3+ AM5 (LGA 1718)
• Release date
  Q4/2012 Q1/2023