Intel Core i9-12900K vs AMD A8-7650K. Specifications, performance, tests

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

• Segment
  Desktop / Server Mobile
• Family
  Intel Core i9 AMD A
• Generation
  12 4
• CPU group
  Intel Core i 12000 AMD A8-7000
• Predecessor
  Intel Core i9-11900K --
• Successor
  Intel Core i9-13900K --

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.

• Frequency
  3.70 GHz 3.30 GHz
• CPU Cores
  16 4
• Turbo (1 Core)
  5.30 GHz 3.80 GHz
• CPU Threads
  24 4
• Hyperthreading
  Yes No
• Overclocking
  Yes Yes
• Core architecture
  hybrid (big.LITTLE) normal
• A core
  8x Golden Cove --
• B core
  8x Gracemont --

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 32 (Alder Lake S) AMD Radeon R7 - 384 (Kaveri)
• GPU frequency
  0.40 GHz 0.72 GHz
• GPU (Turbo)
  1.45 GHz No turbo
• Execution units
  32 6
• Shader
  256 384
• Max. GPU Memory
  16 GB 2 GB
• Max. displays
  4 2
• Generation
  12 6
• DirectX Version
  12 12
• Technology
  10 nm 28 nm
• Release date
  Q4/2021 Q1/2015

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

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

Types, channel quantity of RAM supported by AMD A8-7650K and Intel Core i9-12900K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200DDR5-4800 DDR3-2133
• Max. Memory
  256 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  5.0 3.0
• PCIe lanes
  20 16

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i9-12900K and AMD A8-7650K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 95 W
• TDP (PL2)
  228 W / 56 s --
• Tjunction max.
  100 °C --

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

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  VT-x, VT-x EPT, VT-d AMD-V
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX2+ SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
• L2-Cache
  3.75 MB --
• L3-Cache
  30.00 MB 4.00 MB
• Architecture
  Alder Lake S Kaveri (Steamroller)
• Technology
  10 nm 28 nm
• Socket
  LGA 1700 FM2+
• Release date
  Q4/2021 Q1/2014
• Part Number
  BX8071512900K --