AMD Ryzen 5 PRO 7645 vs AMD Ryzen 7 5800X3D. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 7000 AMD Ryzen 5000
• Family
  Ryzen PRO Ryzen
• Form Factor
  Desktops / Boxed Processor Desktops / Boxed Processor
• Generation
  6 4
• Segment
  Desktop / Server Desktop
• Series
  Ryzen PRO 7000 Series Ryzen 5000 Series

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 3.4 GHz
• Core architecture
  normal normal
• Core Configuration
  6x Zen 4 -
• CPU Cores
  6 8
• CPU Threads
  12 16
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  5.1 GHz 4.5 GHz
• Overclocking
  No Yes
• Turbo Frequency (1 Core)
  5.1 GHz 4.5 GHz
• Turbo Frequency (6 Cores)
  4.5 GHz -
• Turbo Frequency (8 Cores)
  - 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
  12 -
• Execution units
  2 -
• Generation
  9 -
• GPU Frequency
  2200 MHz -
• GPU name
  AMD Radeon Graphics None
• GPU Turbo
  2200 MHz -
• Graphics Cores
  2 -
• Max. displays
  3 -
• Max. GPU Memory
  8 GB -
• Release date
  Q3/2022 -
• Shader
  128 -
• Technology
  5 nm -

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

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

Types, channel quantity of RAM supported by AMD Ryzen 7 5800X3D and AMD Ryzen 5 PRO 7645. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes Yes
• Max. Memory
  128 GB 128 GB
• Memory Bandwidth
  83.2 GB/s -
• Memory channels
  2 2
• Memory type
  DDR5 DDR4
• PCIe
  PCIe 5.0 PCIe 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 5 PRO 7645 and AMD Ryzen 7 5800X3D 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
  65 W 105 W
• Maximum Operating Temperature
  95 °C 90 °C
• TDP (PL1 / PBP, legacy combined label)
  65 W -
• TDP (PL2)
  88 W -
• TDP up
  142 W -
• TDP (PL1, legacy label)
  - 105 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 5 PRO 7645 and AMD Ryzen 7 5800X3D, virtual machine technologies and process technology.

• Architecture
  Raphael (Zen 4) Vermeer (Zen 3)
• Chip design
  Chiplet -
• Codename
  Raphael Vermeer
• Documents
  Technical data sheet -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L1-Cache
  0.375 MB -
• L2-Cache
  6 MB 4 MB
• L3-Cache
  32 MB 96 MB
• Manufacturer product ID (tray)
  100-000000600 -
• Operating systems
  Conflicting source values: Windows 10, Windows 11, Linux | Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit -
• Release date
  2023-06-13 2022-04-20
• Socket
  AM5 AM4
• Technology
  TSMC 5nm FinFET TSMC 7nm FinFET
• Virtualization
  AMD-V, SVM AMD-V, SVM