AMD Ryzen 7 5800H vs Intel Core Ultra 7 255HX. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 5000H -
• Family
  Ryzen Intel Core Ultra Series 2
• Form Factor
  Laptops / Desktops -
• Generation
  4 -
• Segment
  Mobile Mobile
• 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
  3.2 GHz -
• Core architecture
  normal -
• CPU Cores
  8 20
• CPU Threads
  16 20
• Hyperthreading / SMT
  Yes -
• Max. Boost Clock
  4.4 GHz 5.2 GHz
• Overclocking
  No -
• Turbo Frequency (1 Core)
  4.4 GHz -
• Turbo Frequency (8 Cores)
  3.8 GHz -
• E-core Base Clock
  - 1.8 GHz
• Efficient Cores
  - 12
• Low Power Efficient-cores
  - 0
• P-core Base Clock
  - 2.4 GHz
• Performance Cores
  - 8

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
  9 -
• GPU Frequency
  2000 MHz -
• GPU name
  AMD Radeon Graphics Intel Graphics
• GPU Turbo
  No turbo 1850 MHz
• Graphics Cores
  8 -
• Max. displays
  3 -
• Max. GPU Memory
  2 GB -
• Release date
  Q1/2020 -
• Shader
  512 -
• Technology
  7 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 Intel Core Ultra 7 255HX and AMD Ryzen 7 5800H. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No -
• Max. Memory
  64 GB 256 GB
• Memory channels
  2 2
• Memory type
  DDR4 - Up to 3200 / LPDDR4 - Up to 4266 Up to DDR5 6400 MT/s
• PCIe
  PCIe 3.0 -
• PCIe lanes
  12 -
• PCIe version
  3.0 -

• AES-NI
  Yes -

Compare the TDP requirements of TDP AMD Ryzen 7 5800H and Intel Core Ultra 7 255HX 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
  35-54 W -
• Default TDP
  45 W -
• Maximum Operating Temperature
  105 °C -
• TDP (PL1, legacy label)
  45 W -
• TDP up
  80 W -
• Maximum Turbo Power
  - 160 W
• Minimum Assured Power
  - 45 W
• TDP (PL1 / PBP, legacy combined label)
  - 55 W

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 5800H and Intel Core Ultra 7 255HX, virtual machine technologies and process technology.

• Architecture
  Cezanne (Zen 3) -
• Codename
  Cezanne -
• Instruction set (ISA)
  x86-64 (64 bit) -
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 -
• L2-Cache
  4 MB -
• L3-Cache
  16 MB 30 MB
• Manufacturer product ID (tray)
  100-000000295 -
• Operating systems
  Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit -
• Release date
  2021-01-12 Q1/2025
• Socket
  FP6 FCBGA2114
• Technology
  TSMC 7nm FinFET -
• Virtualization
  AMD-V, SVM -
• Official specification sheet
  - https://cdrdv2-public.intel.com/851467/Intel-Core-Ultra-Series1-Series2-Series3-Comparison.pdf