AMD FX-4300 vs AMD FX-4320. Specifications, performance, tests

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

• CPU group
  AMD FX-4300 AMD FX-4300
• Family
  FX-Series FX-Series
• Form Factor
  Desktops Desktops
• Generation
  2 2
• Segment
  Desktop / Server Desktop / Server
• Series
  FX 4-Core Black Edition Processors FX 4-Core Black Edition Processors

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

• Base Frequency
  3.8 GHz 4 GHz
• Core architecture
  normal normal
• CPU Cores
  4 4
• CPU Threads
  4 4
• Hyperthreading / SMT
  No No
• Max. Boost Clock
  4 GHz 4.1 GHz
• Overclocking
  Yes No
• 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.

• GPU name
  None None
• GPU Turbo
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by AMD FX-4320 and AMD FX-4300. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Memory channels
  2 2
• Memory type
  DDR3 DDR3
• System Memory Specification
  1866 1866

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD FX-4300 and AMD FX-4320 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  95 W 95 W
• Maximum Operating Temperature
  70.5 °C 70.5 °C
• TDP (PL1, legacy label)
  95 W 95 W

Architecture, interfaces, additional instructions supported by AMD FX-4300 and AMD FX-4320, virtual machine technologies and process technology.

• Architecture
  Vishera (Bulldozer) Vishera (Bulldozer)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L1-Cache
  0.1875 MB 0.1875 MB
• L2-Cache
  4 MB 4 MB
• L3-Cache
  4 MB 4 MB
• Manufacturer product ID (boxed)
  FD4300WMHKBOX FD4320WMHKBOX
• Manufacturer product ID (tray)
  FD4300WMW4MHK FD4320WMW4MHK
• Official source
  https://www.amd.com/en/products/specifications/processors.html https://www.amd.com/en/products/specifications/processors.html
• Release date
  Q4/2012 Q4/2012
• Socket
  AM3+ AM3+
• Technology
  32nm SOI 32nm SOI
• Verification scope
  Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved. Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Verified on
  2026-10-01 2026-10-01
• Virtualization
  AMD-V AMD-V
• Codename
  - Vishera