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

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

• Family
  AMD Ryzen 7 Intel Core i9
• CPU group
  AMD Ryzen 7040 Intel Core i 12000
• Segment
  Mobile Desktop / Server
• Generation
  6 12
• Predecessor
  -- Intel Core i9-11900

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
  8 / 16 16 / 24
• Core architecture
  normal hybrid (big.LITTLE)
• Overclocking
  No No
• Frequency
  3.80 GHz 2.40 GHz

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
  AMD Radeon 780M Graphics Intel UHD Graphics 770
• GPU frequency
  1.20 GHz 0.30 GHz
• GPU (Turbo)
  2.70 GHz 1.55 GHz
• Execution units
  12 32
• Shader
  768 256
• Max. GPU Memory
  32 GB --
• Max. displays
  4 3
• Generation
  10 11
• Direct X
  12 12
• Technology
  4 nm 10 nm
• Release date
  Q1/2023 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 Decode / Encode
• AV1
  Decode / Encode Decode
• AVC
  Decode Decode / Encode
• VC-1
  Decode Decode
• JPEG
  Decode / Encode Decode / Encode

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

• Memory type
  DDR5-5600LPDDR5X-7500 DDR4-3200DDR5-4800
• Max. Memory
  256 GB 128 GB
• Memory channels
  2 (Dual Channel) 2
• ECC
  Yes No
• PCIe
  4.0 x 20 5.0 x 20
• AES-NI
  Yes Yes

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

• TDP (PL2)
  -- 202 W
• TDP down
  35 W --
• Tjunction max.
  100 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 7840HS and AMD Ryzen 7 7840HS, virtual machine technologies and process technology.

• Technology
  4 nm 10 nm
• Socket
  FP8 LGA 1700
• L2-Cache
  8.00 MB 14.00 MB
• L3-Cache
  16.00 MB 30.00 MB
• Architecture
  Phoenix (Zen 4) Alder Lake S
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 SSE4.1, SSE4.2, AVX2, AVX2+
• Release date
  Q1/2023 Q1/2022
• Part Number
  100-000001129 --