AMD Ryzen 7 5800X3D vs Intel Core i9-12900H. Specifications, performance, tests

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

• Family
  AMD Ryzen Intel Core i9
• CPU group
  AMD Ryzen 5000 Intel Core i 12000H
• Segment
  Desktop / Server Mobile
• Generation
  4 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
  8 / 16 14 / 20
• Core architecture
  normal hybrid (big.LITTLE)
• A-Core
  -- 6x Golden Cove
• B-Core
  -- 8x Gracemont
• Frequency
  3.40 GHz 2.50 GHz
• Turbo (1 Core)
  4.50 GHz 5.00 GHz
• Hyperthreading
  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
  no iGPU Intel Iris Xe Graphics 96 (Alder Lake)
• GPU frequency
  0.40 GHz
• GPU (Turbo)
  No turbo 1.45 GHz
• Execution units
  96
• Shader
  768
• Max. GPU Memory
  -- 64 GB
• Max. displays
  4
• Generation
  13
• Direct X
  -- 12.1
• Technology
  10 nm
• Release date
  Q1/2022

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

• h265 / HEVC (8 bit)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP8
  No Decode
• VP9
  No Decode / Encode
• AV1
  No Decode
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-12900H and AMD Ryzen 7 5800X3D. Depending on the motherboards, higher or lower memory frequencies may be supported.

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

Compare the TDP requirements of TDP AMD Ryzen 7 5800X3D and Intel Core i9-12900H to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  105 W 45 W
• TDP (PL2)
  -- 115 W
• Tjunction max.
  95 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen 7 5800X3D and AMD Ryzen 7 5800X3D, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  4.00 MB 11.50 MB
• L3-Cache
  96.00 MB 24.00 MB
• Architecture
  Vermeer (Zen 3) Alder Lake H
• Technology
  7 nm 10 nm
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• Socket
  AM4 BGA 1744
• Release date
  Q4/2020 Q1/2022