Intel Core i7-5960X vs Intel Core i9-11900KB. Specifications, performance, tests

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

• CPU group
  Intel Core i 5000X Intel Core i 11000H
• Family
  Intel Core i7 Extreme Edition Intel Core i9
• Generation
  5 11
• Segment
  Desktop / Server Mobile

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

• Base Frequency
  3 GHz 3.3 GHz
• Core architecture
  normal normal
• CPU Cores
  8 8
• CPU Threads
  16 16
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  3.5 GHz 5.3 GHz
• Turbo Frequency (8 Cores)
  3.2 GHz 4.9 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 910
• DirectX Version
  - 12
• Execution units
  - 32
• Generation
  - 11
• GPU Frequency
  - 350 MHz
• GPU Turbo
  - 1450 MHz
• Max. displays
  - 3
• Shader
  - 256
• Technology
  - 10 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 i9-11900KB and Intel Core i7-5960X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No No
• Max. Memory
  - 128 GB
• Memory channels
  4 2
• Memory type
  DDR4-2133 DDR4-3200
• PCIe lanes
  40 16
• PCIe version
  3.0 3.0

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i7-5960X and Intel Core i9-11900KB 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
• TDP (PL1, legacy label)
  140 W 65 W
• TDP down
  - 55 W

Architecture, interfaces, additional instructions supported by Intel Core i7-5960X and Intel Core i9-11900KB, virtual machine technologies and process technology.

• Architecture
  Haswell E Tiger Lake H
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  - 4 MB
• L3-Cache
  20 MB 20 MB
• Release date
  Q3/2014 Q2/2021
• Socket
  LGA 2011-3 BGA 1787
• Technology
  22 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d