AMD Opteron X3421 vs Intel Core i7-12700K. Specifications, performance, tests

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

• Family
  AMD Opteron Intel Core i7
• CPU group
  AMD Opteron X3000 Intel Core i 12000
• Segment
  Desktop / Server Desktop / Server
• Generation
  0 12
• Predecessor
  -- Intel Core i7-11700K

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.

• Core architecture
  normal hybrid (big.LITTLE)
• Overclocking
  No Yes
• Frequency
  2.10 GHz 3.60 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 R7 - 512 (Toronto) Intel Iris Xe Graphics 32 (Alder Lake S)
• GPU frequency
  0.80 GHz 0.40 GHz
• GPU (Turbo)
  No turbo 1.45 GHz
• Execution units
  8 32
• Shader
  512 256
• Max. GPU Memory
  -- 16 GB
• Max. displays
  3 4
• Generation
  0 12
• Technology
  0 10 nm
• Release date
  Q4/2021

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

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

Types, channel quantity of RAM supported by Intel Core i7-12700K and AMD Opteron X3421. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-2400 DDR4-3200DDR5-4800
• Max. Memory
  256 GB
• Memory channels
  2 2
• ECC
  Yes No

Compare the TDP requirements of TDP AMD Opteron X3421 and Intel Core i7-12700K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  15 W 125 W
• TDP (PL2)
  -- 228 W / 56 s
• TDP up
  35 W --
• TDP down
  12 W --
• Tjunction max.
  -- 100 °C

Architecture, interfaces, additional instructions supported by AMD Opteron X3421 and AMD Opteron X3421, 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 SSE4.1, SSE4.2, AVX2, AVX2+
• L2-Cache
  2.00 MB 2.50 MB
• L3-Cache
  -- 25.00 MB
• Architecture
  Toronto (Excavator) Alder Lake S
• Technology
  28 nm 10 nm
• Virtualization
  AMD-V, AMD-Vt VT-x, VT-x EPT, VT-d
• Socket
  FP4 LGA 1700
• Release date
  Q2/2015 Q4/2021
• Part Number
  OX3421AAY43KA BX8071512700K