AMD Ryzen 9 PRO 5945 vs AMD Ryzen 7 PRO 5845. Specifications, performance, tests

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

• Family
  AMD Ryzen 5 AMD Ryzen 5
• CPU group
  AMD Ryzen 5000U AMD Ryzen 5000U
• Segment
  Mobile Mobile
• Generation
  4 4

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.

• CPU Cores / Threads
  12 / 24 8 / 16
• Core architecture
  normal normal
• Cores
  12x 8x
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Frequency
  3.00 GHz 3.40 GHz
• Turbo Frequency (1 Core)
  4.70 GHz 4.60 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 no iGPU
• GPU (Turbo)
  No turbo No turbo

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

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

Types, channel quantity of RAM supported by AMD Ryzen 7 PRO 5845 and AMD Ryzen 9 PRO 5945. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  LPDDR4-3200 LPDDR4-3200
• Max. Memory
  64 GB 64 GB
• Memory channels
  2 (Dual Channel) 2 (Dual Channel)
• Bandwidth
  51.2 GB/s 51.2 GB/s
• ECC
  No No
• PCIe
  4.0 4.0
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 PRO 5945 and AMD Ryzen 7 PRO 5845 to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

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

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 PRO 5945 and AMD Ryzen 9 PRO 5945, virtual machine technologies and process technology.

• Technology
  7 nm 7 nm
• Chip design
  Chiplet Chiplet
• Socket
  AM4 (PGA 1331) AM4 (PGA 1331)
• L2-Cache
  6.00 MB 4.00 MB
• L3-Cache
  64.00 MB 32.00 MB
• Architecture
  Cezanne (Zen 3) Cezanne (Zen 3)
• Operating systems
  Windows 10, Windows 11, Linux Windows 10, Windows 11, Linux
• Virtualization
  AMD-V, SVM AMD-V, SVM
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• Release date
  Q3/2022 Q3/2022
• Part Number
  100-000000831 100-000000832
• Documents
  Technical data sheet Technical data sheet