AMD Ryzen Threadripper 3990X vs Intel Core i9-11900T. Specifications, performance, tests

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

• Segment
  Desktop / Server Desktop / Server
• Family
  AMD Ryzen Intel Core i9
• Generation
  3 11
• CPU group
  AMD Ryzen Threadripper 3000 Intel Core i 11000
• Predecessor
  -- Intel Core i9-10900T

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
  2.90 GHz 1.50 GHz
• CPU Cores
  64 8
• Turbo (1 Core)
  4.30 GHz 4.90 GHz
• CPU Threads
  128 16
• Hyperthreading
  Yes Yes
• Overclocking
  Yes No
• 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
  no iGPU Intel UHD Graphics 750
• GPU frequency
  0.35 GHz
• GPU (Turbo)
  No turbo 1.30 GHz
• 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)
  No Decode / Encode
• h265 / HEVC (10 bit)
  No Decode / Encode
• h264
  No Decode / Encode
• VP9
  No Decode / Encode
• VP8
  No Decode
• AV1
  No Decode
• AVC
  No Decode / Encode
• VC-1
  No Decode
• JPEG
  No Decode / Encode

Types, channel quantity of RAM supported by Intel Core i9-11900T and AMD Ryzen Threadripper 3990X. Depending on the motherboards, higher or lower memory frequencies may be supported.

• Memory type
  DDR4-3200 DDR4-3200
• Max. Memory
  2048 GB 128 GB
• ECC
  Yes No
• Memory channels
  4 2
• PCIe version
  4.0 4.0
• PCIe lanes
  72 20

• AES-NI
  Yes Yes

Compare the TDP requirements of TDP AMD Ryzen Threadripper 3990X and Intel Core i9-11900T to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

• TDP (PL1)
  280 W 35 W
• TDP (PL2)
  -- 115 W / 28 s
• TDP down
  -- 25 W
• Tjunction max.
  95 °C 100 °C

Architecture, interfaces, additional instructions supported by AMD Ryzen Threadripper 3990X and AMD Ryzen Threadripper 3990X, virtual machine technologies and process technology.

• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• Virtualization
  AMD-V, SVM VT-x, VT-x EPT, VT-d
• ISA extensions
  SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 SSE4.1, SSE4.2, AVX2, AVX-512
• L2-Cache
  -- 4.00 MB
• L3-Cache
  256.00 MB 16.00 MB
• Architecture
  Castle Peak (Zen 2) Rocket Lake S
• Technology
  7 nm 14 nm
• Socket
  TRX4 (sTRX4) LGA 1200
• Release date
  Q1/2020 Q1/2021