AMD Ryzen 9 6900HX vs Intel Core i9-12900KF. Specifications, performance, tests

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

• CPU group
  AMD Ryzen 6000H Intel Core i 12000
• Family
  Ryzen Intel Core i9
• Form Factor
  Laptops / Desktops -
• Generation
  5 12
• Predecessor
  AMD Ryzen 9 5900HX Intel Core i9-11900KF
• Segment
  Mobile Desktop / Server
• Series
  Ryzen 6000 Series -

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

• A-Core
  - 8x Golden Cove
• B-Core
  - 8x Gracemont
• Base Frequency
  3.3 GHz 3.7 GHz
• Core architecture
  normal hybrid (big.LITTLE)
• CPU Cores
  8 16
• CPU Threads
  16 24
• Hyperthreading / SMT
  Yes Yes
• Max. Boost Clock
  4.9 GHz -
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  4.9 GHz 5.3 GHz
• Turbo Frequency (8 Cores)
  4.2 GHz -
• Turbo Frequency (16 Cores)
  - 5 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
  12 -
• Generation
  9 -
• GPU Frequency
  2400 MHz -
• GPU name
  AMD Radeon 680M None
• GPU Turbo
  No turbo -
• Graphics Cores
  12 -
• Max. displays
  3 -
• Max. GPU Memory
  8 GB -
• Release date
  Q1/2022 -
• Shader
  768 -
• Technology
  6 nm -

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

• AV1
  Decode 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 i9-12900KF and AMD Ryzen 9 6900HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  64 GB 256 GB
• Memory channels
  2 2
• Memory type
  DDR5 DDR4-3200DDR5-4800
• PCIe
  PCIe 4.0 -
• PCIe lanes
  - 20
• PCIe version
  - 5.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen 9 6900HX and Intel Core i9-12900KF 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
  45 W -
• Maximum Operating Temperature
  95 °C 100 °C
• TDP (PL1, legacy label)
  45 W 125 W
• TDP (PL2)
  - 228 W / 56 s
• TDP up
  54 W -

Architecture, interfaces, additional instructions supported by AMD Ryzen 9 6900HX and Intel Core i9-12900KF, virtual machine technologies and process technology.

• Architecture
  Rembrandt (Zen 3+) Alder Lake S
• Codename
  Rembrandt -
• 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, AVX2+
• L1-Cache
  0.5 MB -
• L2-Cache
  4 MB 3.75 MB
• L3-Cache
  16 MB 30 MB
• Manufacturer product ID (tray)
  FP7:100-000000544 FP7r2: 100-000000560 -
• Operating systems
  Windows 11 - 64-Bit Edition / Windows 10 - 64-Bit Edition / RHEL x86 64-Bit / Ubuntu x86 64-Bit -
• Part Number
  - BX8071512900KF
• Release date
  Q1/2022 Q4/2021
• Socket
  FP7 LGA 1700
• Technology
  TSMC 6nm FinFET 10 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d