AMD Ryzen 5 PRO 8505G vs AMD Ryzen 9 7900. Specifications

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

• Family
  Ryzen PRO Ryzen
• Form Factor
  Desktops Desktops / Boxed Processor
• Segment
  Desktop Desktop
• Series
  Ryzen PRO 8000 Series Ryzen 7000 Series
• CPU group
  - AMD Ryzen 7000
• Generation
  - 6
• Predecessor
  - AMD Ryzen 9 5900

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

• Base Frequency
  3.5 GHz 3.7 GHz
• CPU Cores
  6 12
• CPU Threads
  12 24
• Max. Boost Clock
  5 GHz 5.4 GHz
• Core architecture
  - normal
• Core Configuration
  - 12x
• Hyperthreading / SMT
  - Yes
• Overclocking
  - Yes
• Turbo Frequency (1 Core)
  - 5.4 GHz
• Turbo Frequency (12 Cores)
  - 4.8 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 Frequency
  2800 MHz 2200 MHz
• GPU name
  AMD Radeon 740M AMD Radeon Graphics
• Graphics Cores
  4 2
• DirectX Version
  - 12
• Execution units
  - 2
• Generation
  - 9
• GPU Turbo
  - 2200 MHz
• 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
• H.264 / AVC
  - Decode / Encode
• h265 / HEVC (8 bit)
  - Decode / Encode
• h265 / HEVC (10 bit)
  - Decode / Encode
• JPEG
  - Decode / Encode
• VC-1
  - Decode
• VP8
  - Decode / Encode
• VP9
  - Decode / Encode

Types, channel quantity of RAM supported by AMD Ryzen 9 7900 and AMD Ryzen 5 PRO 8505G. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

• AES-NI
  - Yes

Compare the TDP requirements of TDP AMD Ryzen 5 PRO 8505G and AMD Ryzen 9 7900 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Configurable TDP
  45-65 W -
• Default TDP
  65 W 65 W
• Maximum Operating Temperature
  95 °C 95 °C
• TDP (PL1, legacy label)
  - 65 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 5 PRO 8505G and AMD Ryzen 9 7900, virtual machine technologies and process technology.

• Codename
  Phoenix Raphael AM5
• L2-Cache
  6 MB 12 MB
• L3-Cache
  16 MB 64 MB
• Official source
  https://www.amd.com/en/products/processors/desktops/ryzen-pro/8000-series/amd-ryzen-5-pro-8505g.html https://www.amd.com/en/products/processors/desktops/ryzen/7000-series/amd-ryzen-9-7900.html
• Release date
  2025-12-04 2023-01-14
• Socket
  AM5 AM5
• Technology
  TSMC 4nm FinFET TSMC 5nm FinFET
• Verified on
  2026-09-30 2026-09-30
• Architecture
  - Raphael (Zen 4)
• Chip design
  - Chiplet
• Instruction set (ISA)
  - x86-64 (64 bit)
• ISA extensions
  - SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• Operating systems
  - Windows 10, Windows 11, Linux
• Release price
  - 429 $
• Verification scope
  - Explicit manufacturer fields refreshed; other original historical fields retained, not all reverified. Partial composite conflicts are preserved.
• Virtualization
  - AMD-V, SVM