AMD Ryzen 7 PRO 5875U vs Intel Core i7-1255U. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 5000U Intel Core i 1200P/1200U
• Family
  Ryzen PRO Intel Core i7
• Form Factor
  Laptops / Desktops -
• Generation
  4 12
• Segment
  Mobile Mobile
• Series
  Ryzen PRO 5000 Series -

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

• Base Frequency
  2 GHz 1.7 GHz
• Core architecture
  normal hybrid (big.LITTLE)
• Core Configuration
  8x -
• CPU Cores
  8 10
• CPU Threads
  16 12
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  4.5 GHz -
• Overclocking
  No No
• Turbo Frequency (1 Core)
  4.5 GHz 4.7 GHz
• Turbo Frequency (8 Cores)
  3.5 GHz -
• A-Core
  - 2x Golden Cove
• B-Core
  - 8x Gracemont
• Turbo Frequency (10 Cores)
  - 2.7 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 12.1
• Execution units
  8 96
• Generation
  9 13
• GPU Frequency
  2000 MHz 350 MHz
• GPU name
  AMD Radeon Graphics Intel Iris Xe Graphics 96 (Alder Lake)
• GPU Turbo
  No turbo 1250 MHz
• Graphics Cores
  8 -
• Max. displays
  3 4
• Max. GPU Memory
  2 GB 64 GB
• Release date
  Q1/2020 Q1/2022
• Shader
  512 768
• Technology
  7 nm 10 nm

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

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

Types, channel quantity of RAM supported by Intel Core i7-1255U and AMD Ryzen 7 PRO 5875U. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  Yes No
• Max. Memory
  32 GB 64 GB
• Memory Bandwidth
  51.2 GB/s -
• Memory channels
  2 2
• Memory type
  DDR4 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• PCIe
  PCIe 3.0 4.0 x 28

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 7 PRO 5875U and Intel Core i7-1255U Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Default TDP
  15 W -
• Maximum Operating Temperature
  95 °C 100 °C
• TDP (PL1, legacy label)
  15 W 15 W
• TDP (PL2)
  - 55 W
• TDP down
  10 W -
• TDP up
  25 W -

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 PRO 5875U and Intel Core i7-1255U, virtual machine technologies and process technology.

• Architecture
  Cezanne (Zen 3) Alder Lake U
• Codename
  Barcelo -
• Documents
  Technical data sheet -
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2
• L1-Cache
  0.5 MB -
• L2-Cache
  4 MB 6.5 MB
• L3-Cache
  16 MB 12 MB
• Manufacturer product ID (tray)
  100-000000581 -
• Operating systems
  Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit -
• Release date
  2022-01-30 Q1/2022
• Socket
  FP6 BGA 1744
• Technology
  TSMC 7nm FinFET 10 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d