Intel Core i9-12900HX vs AMD Ryzen 7 7840HS. Specifications, performance, tests

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

• Family
  Intel Core i9 AMD Ryzen 7
• CPU group
  Intel Core i 12000H AMD Ryzen 7040
• Segment
  Mobile Mobile
• Generation
  12 6

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 8 / 16
• Core architecture
  hybrid (big.LITTLE) normal
• Hyperthreading / SMT
  Yes Yes
• 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 AMD Radeon 780M Graphics
• GPU frequency
  0.30 GHz 1.20 GHz
• GPU (Turbo)
  1.55 GHz 2.70 GHz
• Execution units
  32 12
• Shader
  256 768
• Max. GPU Memory
  64 GB 32 GB
• Max. displays
  3 4
• Generation
  11 10
• Direct X
  12 12
• Technology
  10 nm 4 nm
• Release date
  Q4/2021 Q1/2023

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

Types, channel quantity of RAM supported by AMD Ryzen 7 7840HS and Intel Core i9-12900HX. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200DDR5-4800LPDDR4X-4266LPDDR5-5200 DDR5-5600LPDDR5X-7500
• Max. Memory
  128 GB 256 GB
• Memory channels
  2 (Dual Channel) 2 (Dual Channel)
• Bandwidth
  76.8 GB/s 89.6 GB/s
• ECC
  No Yes
• PCIe
  5.0 x 20 4.0 x 20
• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900HX and AMD Ryzen 7 7840HS to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL2)
  157 W --
• TDP up
  86 W --
• TDP down
  45 W 35 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 4 nm
• Chip design
  Monolithic Monolithic
• Socket
  BGA 1744 FP8
• L2-Cache
  14.00 MB 8.00 MB
• L3-Cache
  30.00 MB 16.00 MB
• Architecture
  Alder Lake H Phoenix (Zen 4)
• Operating systems
  Windows 10, Windows 11, Linux Windows 10, Windows 11, Linux
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V, SVM
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
• Release date
  Q2/2022 Q1/2023
• Release price
  606 $ --
• Part Number
  -- 100-000001129
• Documents
  Technical data sheet Technical data sheet