Intel Core i9-10900X vs Intel Core i9-9900K. Specifications, performance, tests

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

• CPU group
  Intel Core i 10000X Intel Core i 9000
• Family
  Intel Core i9 Intel Core i9
• Generation
  10 9
• Segment
  Desktop / Server Desktop / Server
• Successor
  - Intel Core i9-10900K

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

• Base Frequency
  3.7 GHz 3.6 GHz
• Core architecture
  normal normal
• CPU Cores
  10 8
• CPU Threads
  20 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  4.7 GHz 5 GHz
• Turbo Frequency (10 Cores)
  4.5 GHz -
• Turbo Frequency (8 Cores)
  - 4.7 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.

• GPU name
  None Intel UHD Graphics 630
• DirectX Version
  - 12
• Execution units
  - 24
• Generation
  - 9.5
• GPU Frequency
  - 350 MHz
• GPU Turbo
  - 1200 MHz
• Max. displays
  - 3
• Max. GPU Memory
  - 64 GB
• Release date
  - Q4/2017
• Shader
  - 192
• Technology
  - 14 nm

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

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

Types, channel quantity of RAM supported by Intel Core i9-9900K and Intel Core i9-10900X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  256 GB 128 GB
• Memory channels
  4 2
• Memory type
  DDR4-2933 DDR4-2666
• PCIe lanes
  48 16
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-10900X and Intel Core i9-9900K 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
  94 °C 100 °C
• TDP (PL1, legacy label)
  165 W 95 W
• TDP (PL2)
  - 119 W / 28 s

Architecture, interfaces, additional instructions supported by Intel Core i9-10900X and Intel Core i9-9900K, virtual machine technologies and process technology.

• Architecture
  Cascade Lake Coffee Lake S Refresh
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2, AVX2
• L3-Cache
  19.25 MB 16 MB
• Release date
  Q4/2019 Q4/2018
• Socket
  LGA 2066 LGA 1151-2
• Technology
  14 nm 14 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d