Intel Core i5-11600K vs AMD Ryzen 9 3900XT. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  Intel Core i5 AMD Ryzen
• Generation
  11 3
• CPU group
  Intel Core i 11000 AMD Ryzen 3000
• Predecessor
  Intel Core i5-10600K --
• Successor
  Intel Core i5-12600K --

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
  3.90 GHz 4.10 GHz
• CPU Cores
  6 12
• Turbo (1 Core)
  4.90 GHz 4.70 GHz
• CPU Threads
  12 24
• Hyperthreading
  Yes Yes
• Overclocking
  Yes Yes
• Core architecture
  normal normal

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 750 no iGPU
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  1.30 GHz No turbo
• Execution units
  32
• Shader
  256
• Max. displays
  3
• Generation
  12
• DirectX Version
  12
• Technology
  14 nm
• Release date
  Q1/2021

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 No
• VP9
  Decode / Encode No
• VP8
  Decode No
• AV1
  Decode No
• AVC
  Decode / Encode No
• VC-1
  Decode No
• JPEG
  Decode / Encode No

Types, channel quantity of RAM supported by AMD Ryzen 9 3900XT and Intel Core i5-11600K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  128 GB 128 GB
• ECC
  No Yes
• Memory channels
  2 2
• PCIe version
  4.0 4.0
• PCIe lanes
  20 20

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP Intel Core i5-11600K and AMD Ryzen 9 3900XT to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  125 W 105 W
• TDP (PL2)
  251 W / 56 s 142 W
• TDP down
  95 W --
• Tjunction max.
  100 °C 95 °C

Architecture, interfaces, additional instructions supported by Intel Core i5-11600K and Intel Core i5-11600K, 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, SVM
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
• L2-Cache
  3.00 MB --
• L3-Cache
  12.00 MB 64.00 MB
• Architecture
  Rocket Lake S Matisse (Zen 2)
• Technology
  14 nm 7 nm
• Socket
  LGA 1200 AM4
• Release date
  Q1/2021 Q2/2020