Intel Core Ultra 7 255HX vs AMD Ryzen 9 7845HX. Specifications, performance, tests

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

• Family
  Intel Core Ultra Series 2 Ryzen
• Segment
  Mobile Mobile
• CPU group
  - AMD Ryzen 7045
• Form Factor
  - Laptops / Desktops
• Generation
  - 6
• Series
  - Ryzen 7000 Series

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

• CPU Cores
  20 12
• CPU Threads
  20 24
• E-core Base Clock
  1.8 GHz -
• Efficient Cores
  12 -
• Low Power Efficient-cores
  0 -
• Max. Boost Clock
  5.2 GHz 5.2 GHz
• P-core Base Clock
  2.4 GHz -
• Performance Cores
  8 -
• Base Frequency
  - 3 GHz
• Core architecture
  - normal
• Core Configuration
  - 12x Zen 4
• Hyperthreading / SMT
  - Yes
• Overclocking
  - Yes
• Turbo Frequency (1 Core)
  - 5.2 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.

• GPU name
  Intel Graphics AMD Radeon 610M
• GPU Turbo
  1850 MHz 2200 MHz
• DirectX Version
  - 12
• Execution units
  - 2
• Generation
  - 9
• GPU Frequency
  - 2200 MHz
• Graphics Cores
  - 2
• Max. displays
  - 3
• Max. GPU Memory
  - 8 GB
• Release date
  - Q3/2022
• Shader
  - 128
• Technology
  - 6 nm

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

• AV1
  - Decode
• 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 7845HX and Intel Core Ultra 7 255HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Max. Memory
  256 GB 128 GB
• Memory channels
  2 2
• Memory type
  Up to DDR5 6400 MT/s DDR5
• ECC
  - Yes
• Memory Bandwidth
  - 83.2 GB/s
• PCIe
  - PCIe 5.0

• AES-NI
  - Yes

Compare the TDP requirements of TDP Intel Core Ultra 7 255HX and AMD Ryzen 9 7845HX Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Turbo Power
  160 W -
• Minimum Assured Power
  45 W -
• TDP (PL1 / PBP, legacy combined label)
  55 W 55 W
• Configurable TDP
  - 45-75 W
• Default TDP
  - 55 W
• Maximum Operating Temperature
  - 100 °C
• TDP down
  - 45 W
• TDP up
  - 75 W

Architecture, interfaces, additional instructions supported by Intel Core Ultra 7 255HX and AMD Ryzen 9 7845HX, virtual machine technologies and process technology.

• L3-Cache
  30 MB 64 MB
• Official specification sheet
  https://cdrdv2-public.intel.com/851467/Intel-Core-Ultra-Series1-Series2-Series3-Comparison.pdf -
• Release date
  Q1/2025 2023-02-28
• Socket
  FCBGA2114 FL1
• Architecture
  - Dragon Range (Zen 4)
• Chip design
  - Chiplet
• Codename
  - Dragon Range
• Documents
  - Technical data sheet
• Instruction set (ISA)
  - x86-64 (64 bit)
• ISA extensions
  - SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• L2-Cache
  - 12 MB
• Operating systems
  - Windows 10, Windows 11, Linux
• Part Number
  - 100-000000871
• Technology
  - TSMC 5nm FinFET
• Virtualization
  - AMD-V, SVM