Intel Core i9-12900HX vs Intel Core i5-1235U. Specifications, performance, tests

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

• Family
  Intel Core i9 Intel Core i5
• CPU group
  Intel Core i 12000H Intel Core i 1200P/1200U
• Segment
  Mobile Mobile
• Generation
  12 12

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.

• CPU Cores / Threads
  16 / 24 10 / 12
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  8x Golden Cove 2x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Overclocking
  Yes No

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
  Intel UHD Graphics 770 Intel Iris Xe Graphics 80 (Alder Lake)
• GPU frequency
  0.30 GHz 0.35 GHz
• GPU (Turbo)
  1.55 GHz 1.20 GHz
• Execution units
  32 80
• Shader
  256 640
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  3 4
• Generation
  11 13
• Direct X
  12 12.1
• Technology
  10 nm 10 nm
• Release date
  Q4/2021 Q1/2022

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

• h265 / HEVC (8 bit)
  Decode / Encode Decode / Encode
• h265 / HEVC (10 bit)
  Decode / Encode Decode / Encode
• h264
  Decode / Encode Decode / Encode
• VP8
  Decode / Encode Decode
• VP9
  Decode / Encode Decode / Encode
• AV1
  Decode Decode
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Types, channel quantity of RAM supported by Intel Core i5-1235U and Intel Core i9-12900HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• Max. Memory
  128 GB 64 GB
• Memory channels
  2 (Dual Channel) 2
• ECC
  No No
• PCIe
  5.0 x 20 4.0 x 28
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900HX and Intel Core i5-1235U to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  55 W 15 W
• TDP (PL2)
  157 W 55 W
• TDP up
  86 W --
• TDP down
  45 W --
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by Intel Core i9-12900HX and Intel Core i9-12900HX, virtual machine technologies and process technology.

• Technology
  10 nm 10 nm
• Socket
  BGA 1744 BGA 1744
• L2-Cache
  14.00 MB 6.50 MB
• L3-Cache
  30.00 MB 12.00 MB
• Architecture
  Alder Lake H Alder Lake U
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4.1, SSE4.2, AVX2
• Release date
  Q2/2022 Q1/2022