AMD FX-8100 vs AMD Ryzen 7 3800X. Specifications, performance, tests

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

• CPU group
  AMD FX-8000 AMD Ryzen 3000
• Family
  AMD FX Ryzen
• Generation
  2 3
• Segment
  Desktop / Server Desktop / Server
• Successor
  - AMD Ryzen 7 5800X
• Form Factor
  - Desktops / Boxed Processor
• Series
  - Ryzen 3000 Series

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

• Base Frequency
  2.8 GHz 3.9 GHz
• Core architecture
  normal normal
• CPU Cores
  8 8
• CPU Threads
  8 16
• Hyperthreading / SMT
  No Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  3.7 GHz 4.5 GHz
• Turbo Frequency (8 Cores)
  3.7 GHz 4.2 GHz
• Max. Boost Clock
  - 4.5 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
  no iGPU None
• GPU 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 Ryzen 7 3800X and AMD FX-8100. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  - 128 GB
• Memory channels
  2 2
• Memory type
  DDR3-1866 DDR4
• PCIe lanes
  - 20
• PCIe version
  - 4.0
• PCIe
  - PCIe 4.0 x16
• System Memory Specification
  - 3200

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD FX-8100 and AMD Ryzen 7 3800X 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
  - 95 °C
• TDP (PL1, legacy label)
  95 W 105 W
• Default TDP
  - 105 W

Architecture, interfaces, additional instructions supported by AMD FX-8100 and AMD Ryzen 7 3800X, virtual machine technologies and process technology.

• Architecture
  Vishera (Bulldozer) Matisse (Zen 2)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX, FMA3, FMA4 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  - 4 MB
• L3-Cache
  8 MB 32 MB
• Release date
  Q4/2011 2019-07-07
• Socket
  AM3+ AM4
• Technology
  32 nm TSMC 7nm FinFET
• Virtualization
  AMD-V AMD-V, SVM
• Codename
  - Matisse
• L1-Cache
  - 0.5 MB
• Manufacturer product ID (boxed)
  - 100-100000025BOX
• Manufacturer product ID (MPK)
  - 100-100000025MPK
• Manufacturer product ID (tray)
  - 100-000000025
• Operating systems
  - Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit