Intel Core i9-12900K vs Intel Core i7-12700KF. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i9 Intel Core i7
• Generation
  12 12
• CPU group
  Intel Core i 12000 Intel Core i 12000
• Predecessor
  Intel Core i9-11900K Intel Core i7-11700KF
• Successor
  Intel Core i9-13900K --

Basic parameters such as number of cores, number of threads, base and turbo frequency, and cache size. These parameters indirectly tell about the speed of the processor, the higher they are the better.

• Frequency
  3.70 GHz 3.60 GHz
• CPU Cores
  16 12
• Turbo (1 Core)
  5.30 GHz 5.00 GHz
• CPU Threads
  24 20
• Hyperthreading
  Yes Yes
• Overclocking
  Yes Yes
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A core
  8x Golden Cove 8x Golden Cove
• B core
  8x Gracemont 4x Gracemont

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 Iris Xe Graphics 32 (Alder Lake S) Intel Iris Xe Graphics 32 (Alder Lake S)
• GPU frequency
  0.40 GHz 0.40 GHz
• GPU (Turbo)
  1.45 GHz 1.45 GHz
• Execution units
  32 32
• Shader
  256 256
• Max. GPU Memory
  16 GB 16 GB
• Max. displays
  4 4
• Generation
  12 12
• DirectX Version
  12 12
• Technology
  10 nm 10 nm
• Release date
  Q4/2021 Q4/2021

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

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP9
  Decode / Encode Decode / Encode
• VP8
  Decode Decode
• AV1
  Decode Decode
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i7-12700KF and Intel Core i9-12900K. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900K and Intel Core i7-12700KF to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 125 W
• TDP (PL2)
  228 W / 56 s 228 W / 56 s
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by Intel Core i9-12900K and Intel Core i9-12900K, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  3.75 MB 2.50 MB
• L3-Cache
  30.00 MB 25.00 MB
• Architecture
  Alder Lake S Alder Lake S
• Technology
  10 nm 10 nm
• Socket
  LGA 1700 LGA 1700
• Release date
  Q4/2021 Q4/2021
• Part Number
  BX8071512900K BX8071512700K