AMD Phenom II X2 550 vs AMD Ryzen 5 3450U. Specifications, performance, tests

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

• CPU group
  AMD Phenom II - 545 AMD Ryzen 3000U
• Family
  AMD Phenom II Ryzen
• Generation
  2 2
• Segment
  Desktop / Server Mobile
• Form Factor
  - Laptops / Desktops
• 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
  3.1 GHz 2.1 GHz
• Core architecture
  normal normal
• CPU Cores
  2 4
• CPU Threads
  2 8
• Hyperthreading / SMT
  No Yes
• Overclocking
  Yes No
• Turbo Frequency (1 Core)
  No turbo 3.5 GHz
• Turbo Frequency (2 Cores)
  No turbo -
• Core Configuration
  - 4x
• Max. Boost Clock
  - 3.5 GHz
• Turbo Frequency (4 Cores)
  - 3.1 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
  - 8
• Generation
  - 8
• GPU Frequency
  - 1200 MHz
• GPU name
  no iGPU Radeon Vega 8 Graphics
• GPU Turbo
  No turbo No turbo
• Max. displays
  - 3
• Max. GPU Memory
  - 2 GB
• Release date
  - Q1/2018
• Shader
  - 512
• Technology
  - 14 nm

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

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

Types, channel quantity of RAM supported by AMD Ryzen 5 3450U and AMD Phenom II X2 550. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  - 32 GB
• Memory channels
  2 2
• Memory type
  DDR2-1066 DDR4-2400
• Memory Bandwidth
  - 38.4 GB/s
• PCIe
  - PCIe 3.0
• System Memory Specification
  - 2400

• AES-NI
  No Yes

Compare the TDP requirements of TDP AMD Phenom II X2 550 and AMD Ryzen 5 3450U 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
  - 105 °C
• TDP (PL1, legacy label)
  80 W 15 W
• TDP down
  - 12 W
• TDP up
  - 35 W
• Configurable TDP
  - 12-35 W
• Default TDP
  - 15 W

Architecture, interfaces, additional instructions supported by AMD Phenom II X2 550 and AMD Ryzen 5 3450U, virtual machine technologies and process technology.

• Architecture
  Callisto (K10) Picasso (Zen+)
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE3, SSE4a SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  - 2 MB
• L3-Cache
  6 MB 4 MB
• Release date
  Q4/2009 Q2/2020
• Socket
  AM3 FP5
• Technology
  45 nm 12nm
• Virtualization
  AMD-V AMD-V, SVM
• Codename
  - Picasso
• L1-Cache
  - 0.375 MB
• Manufacturer product ID (tray)
  - YM3450C4T4MFG
• Operating systems
  - Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit