Intel Core i5-9400F vs Intel Core i3-1215U. Specifications, performance, tests

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

• Segment
  Desktop / Server Mobile
• Family
  Intel Core i5 Intel Core i3
• Generation
  9 12
• CPU group
  Intel Core i 9000 Intel Core i 1200P/1200U
• Predecessor
  Intel Core i5-8400 --
• Successor
  Intel Core i5-10400F --

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
  2.90 GHz 1.20 GHz
• Turbo (1 Core)
  4.10 GHz 4.40 GHz
• Turbo (6 Cores)
  3.90 GHz 1.80 GHz
• Hyperthreading
  No Yes
• Overclocking
  No No
• Core architecture
  normal hybrid (big.LITTLE)

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
  no iGPU Intel Iris Xe Graphics 64 (Alder Lake)
• GPU frequency
  0.30 GHz
• GPU (Turbo)
  No turbo 1.10 GHz
• Execution units
  64
• Shader
  512
• Max. GPU Memory
  -- 32 GB
• Max. displays
  4
• Generation
  13
• Technology
  10 nm
• Release date
  Q1/2022

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

• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode
• AV1
  No Decode
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i3-1215U and Intel Core i5-9400F. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2666 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• Max. Memory
  128 GB 64 GB
• ECC
  No No
• Memory channels
  2 2

Compare the TDP requirements of TDP Intel Core i5-9400F and Intel Core i3-1215U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  65 W 15 W
• TDP (PL2)
  -- 55 W
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by Intel Core i5-9400F and Intel Core i5-9400F, 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 SSE4.1, SSE4.2, AVX2
• L2-Cache
  -- 4.50 MB
• L3-Cache
  9.00 MB 10.00 MB
• Architecture
  Coffee Lake S Refresh Alder Lake U
• Technology
  14 nm 10 nm
• Socket
  LGA 1151-2 BGA 1744
• Release date
  Q1/2019 Q1/2022