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

Comprehensive background on the processors being compared, detailing their series, generation, and targeted 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

Essential parameters including the number of cores, threads, base and turbo frequencies, and cache size. These metrics provide insight into the processor’s speed—higher values generally indicate better performance.

• CPU Cores / Threads
  16 / 24 16 / 24
• Core architecture
  hybrid (big.LITTLE) hybrid (big.LITTLE)
• A-Core
  8x Golden Cove 8x Golden Cove
• B-Core
  8x Gracemont 8x Gracemont
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• A-Core Frequency
  2.30 GHz (5.00 GHz) 2.00 GHz (4.80 GHz)
• B-Core Frequency
  1.70 GHz (3.60 GHz) 1.50 GHz (3.40 GHz)

The integrated graphics (iGPU) do not influence the CPU performance significantly; they serve as a substitute for a dedicated graphics card in the absence of one or are utilized in mobile devices.

• GPU name
  Intel UHD Graphics 770 Intel UHD Graphics 770
• GPU frequency
  0.30 GHz 0.30 GHz
• GPU (Turbo)
  1.55 GHz 1.45 GHz
• Execution units
  32 32
• Shader
  256 256
• Max. GPU Memory
  64 GB 64 GB
• Max. displays
  3 3
• Generation
  11 11
• Direct X
  12 12
• Technology
  10 nm 10 nm
• Release date
  Q4/2021 Q4/2021

This section details the built-in codecs used for encoding and decoding media content, which significantly enhance processing speed and efficiency.

• 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 / Encode
• VP9
  Decode / Encode Decode / Encode
• AV1
  Decode Decode
• AVC
  Decode / Encode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

Overview of the types and quantities of RAM supported by Intel Core i7-12800HX and Intel Core i9-12900HX. The supported memory frequencies may vary depending on the motherboard configuration.

• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200
• Max. Memory
  128 GB 128 GB
• Memory channels
  2 (Dual Channel) 2 (Dual Channel)
• Bandwidth
  76.8 GB/s 76.8 GB/s
• ECC
  No No
• PCIe
  5.0 x 20 5.0 x 20
• AES-NI
  Yes Yes

Analyze the TDP (Thermal Design Power) requirements of Intel Core i9-12900HX and Intel Core i7-12800HX to make an informed decision on the appropriate cooling system. Remember that TDP refers to thermal watts, not electrical watts.

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

Information on architecture, interfaces, and additional instructions supported by Intel Core i9-12900HX and Intel Core i7-12800HX, including virtual machine technologies and fabrication processes.

• Technology
  10 nm 10 nm
• Chip design
  Monolithic Monolithic
• Socket
  BGA 1744 BGA 1744
• L2-Cache
  14.00 MB 14.00 MB
• L3-Cache
  30.00 MB 25.00 MB
• Architecture
  Alder Lake H Alder Lake H
• Operating systems
  Windows 10, Windows 11, Linux Windows 10, Windows 11, Linux
• 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, AVX2+
• Release date
  Q2/2022 Q2/2022
• Release price
  606 $ 457 $
• Documents
  Technical data sheet Technical data sheet