Intel Core i9-12900H vs Intel Core i7-12800HX. Specifications, performance, tests

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

• Family
  Intel Core i9 Intel Core i7
• CPU group
  Intel Core i 12000H Intel Core i 12000H
• Segment
  Mobile Mobile
• Generation
  12 12
• Predecessor
  Intel Core i9-11900H --

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
  14 / 20 16 / 24
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  6x Golden Cove 8x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Overclocking
  No Yes

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 Iris Xe Graphics 96 (Alder Lake) Intel UHD Graphics 770
• GPU frequency
  0.40 GHz 0.30 GHz
• GPU (Turbo)
  1.45 GHz 1.45 GHz
• Execution units
  96 32
• Shader
  768 256
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  4 3
• Generation
  13 11
• Direct X
  12.1 12
• Technology
  10 nm 10 nm
• Release date
  Q1/2022 Q4/2021

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 Decode / Encode
• 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 i7-12800HX and Intel Core i9-12900H. 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
  64 GB 128 GB
• Memory channels
  2 2 (Dual Channel)
• ECC
  No No
• PCIe
  4.0 x 28 5.0 x 20
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900H and Intel Core i7-12800HX to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

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

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

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  11.50 MB 14.00 MB
• L3-Cache
  24.00 MB 25.00 MB
• Architecture
  Alder Lake H Alder Lake H
• Technology
  10 nm 10 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
• Socket
  BGA 1744 BGA 1744
• Release date
  Q1/2022 Q2/2022