Intel Core i9-12900K vs Intel Core i7-9700K. 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 9
• CPU group
  Intel Core i 12000 Intel Core i 9000
• Predecessor
  Intel Core i9-11900K --
• Successor
  Intel Core i9-13900K Intel Core i7-10700K

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 8
• Turbo (1 Core)
  5.30 GHz 4.90 GHz
• CPU Threads
  24 8
• Hyperthreading
  Yes No
• Overclocking
  Yes Yes
• Core architecture
  hybrid (big.LITTLE) normal
• A core
  8x Golden Cove --
• B core
  8x 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 UHD Graphics 630
• GPU frequency
  0.40 GHz 0.35 GHz
• GPU (Turbo)
  1.45 GHz 1.20 GHz
• Execution units
  32 24
• Shader
  256 192
• Max. GPU Memory
  16 GB 64 GB
• Max. displays
  4 3
• Generation
  12 9.5
• DirectX Version
  12 12
• Technology
  10 nm 14 nm
• Release date
  Q4/2021 Q4/2017

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 / Encode
• AV1
  Decode No
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i7-9700K and Intel Core i9-12900K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200DDR5-4800 DDR4-2666
• Max. Memory
  256 GB 128 GB
• ECC
  No No
• Memory channels
  2 2
• PCIe version
  5.0 3.0
• PCIe lanes
  20 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900K and Intel Core i7-9700K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 95 W
• TDP (PL2)
  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
• L2-Cache
  3.75 MB --
• L3-Cache
  30.00 MB 12.00 MB
• Architecture
  Alder Lake S Coffee Lake S Refresh
• Technology
  10 nm 14 nm
• Socket
  LGA 1700 LGA 1151-2
• Release date
  Q4/2021 Q4/2018
• Part Number
  BX8071512900K --