Intel Core i9-9900T vs Intel Core i5-12600K. Specifications, performance, tests

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

• CPU group
  Intel Core i 9000 Intel Core i 12000
• Family
  Intel Core i9 12th Generation Intel Core i5 Processors
• Generation
  9 12
• Predecessor
  - Intel Core i5-11600K
• Segment
  Desktop / Server Desktop
• Successor
  Intel Core i9-10900T -
• Processor Number
  - i5-12600K

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

• A-Core
  - 6x Golden Cove
• B-Core
  - 4x Gracemont
• Base Frequency
  2.1 GHz 3.7 GHz
• Core architecture
  normal hybrid (big.LITTLE)
• CPU Cores
  8 10
• CPU Threads
  16 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  4.4 GHz 4.9 GHz
• Turbo Frequency (8 Cores)
  3.6 GHz -
• E-core Base Clock
  - 2.8 GHz
• E-core Max Turbo
  - 3.6 GHz
• Efficient Cores
  - 4
• Max. Boost Clock
  - 4.9 GHz
• P-core Base Clock
  - 3.7 GHz
• P-core Max Turbo
  - 4.9 GHz
• Performance Cores
  - 6
• Turbo Frequency (10 Cores)
  - 4.5 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 12
• Execution units
  24 32
• Generation
  9.5 12
• GPU Frequency
  350 MHz 400 MHz
• GPU name
  Intel UHD Graphics 630 Intel UHD Graphics 770
• GPU Turbo
  1200 MHz 1450 MHz
• Max. displays
  3 4
• Max. GPU Memory
  64 GB 16 GB
• Release date
  Q4/2017 Q4/2021
• Shader
  192 256
• Technology
  14 nm 10 nm
• Graphics Base Frequency
  - 300 MHz
• Graphics Output
  - eDP 1.4b, DP 1.4a, HDMI 2.1

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 i5-12600K and Intel Core i9-9900T. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 2
• Memory type
  DDR4-2666 Up to DDR5 4800 MT/s Up to DDR4 3200 MT/s
• PCIe lanes
  16 20
• PCIe version
  3.0 5.0 and 4.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-9900T and Intel Core i5-12600K 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 100 °C
• TDP (PL1, legacy label)
  35 W 125 W
• TDP (PL2)
  - 228 W / 56 s
• Maximum Turbo Power
  - 150 W
• Processor Base Power (PBP)
  - 125 W

Architecture, interfaces, additional instructions supported by Intel Core i9-9900T and Intel Core i5-12600K, virtual machine technologies and process technology.

• Architecture
  Coffee Lake S Refresh Alder Lake S
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  - 9.5 MB (Total cache capacity)
• L3-Cache
  16 MB 20 MB
• Part Number
  - BX8071512600K
• Release date
  Q2/2019 Q4/2021
• Socket
  LGA 1151-2 FCLGA1700
• Technology
  14 nm Intel 7 (Manufacturer process designation)
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Cache (manufacturer label)
  - 20 MB Intel Smart Cache
• Codename
  - Products formerly Alder Lake
• Marketing Status (manufacturer label)
  - Launched
• Use Conditions
  - PC/Client/Tablet, Workstation