Intel Core i9-12900KF vs Intel Core i7-9800X. Specifications, performance, tests

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

• CPU group
  Intel Core i 12000 Intel Core i 9000X
• Family
  Intel Core i9 Intel Core i7
• Generation
  12 9
• Predecessor
  Intel Core i9-11900KF -
• Segment
  Desktop / Server Desktop / Server

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
  3.7 GHz 3.8 GHz
• Core architecture
  hybrid (big.LITTLE) normal
• CPU Cores
  16 8
• CPU Threads
  24 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  5.3 GHz 4.4 GHz
• Turbo Frequency (16 Cores)
  5 GHz -
• Turbo Frequency (8 Cores)
  - No turbo

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
  None None
• Graphics verification source
  https://www.intel.com/content/www/us/en/support/articles/000058487/processors.html https://www.intel.com/content/www/us/en/support/articles/000027144/processors/intel-core-processors.html

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

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

Types, channel quantity of RAM supported by Intel Core i7-9800X and Intel Core i9-12900KF. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  256 GB 128 GB
• Memory channels
  2 4
• Memory type
  DDR4-3200DDR5-4800 DDR4-2666
• PCIe lanes
  20 44
• PCIe version
  5.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900KF and Intel Core i7-9800X Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C 95 °C
• TDP (PL1, legacy label)
  125 W 165 W
• TDP (PL2)
  228 W / 56 s -

Architecture, interfaces, additional instructions supported by Intel Core i9-12900KF and Intel Core i7-9800X, virtual machine technologies and process technology.

• Architecture
  Alder Lake S Skylake X Refresh
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  3.75 MB -
• L3-Cache
  30.00 MB 16.50 MB
• Part Number
  BX8071512900KF -
• Release date
  Q4/2021 Q4/2018
• Socket
  LGA 1700 LGA 2066
• Technology
  10 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d