Intel Core i9-11900K vs Intel Xeon X3440. Specifications, performance, tests

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

• CPU group
  Intel Core i 11000 Intel Xeon X
• Family
  Intel Core i9 Intel Xeon X
• Generation
  11 0
• Predecessor
  Intel Core i9-10900K -
• Segment
  Desktop / Server Desktop / Server
• Successor
  Intel Core i9-12900K -

Core counts, threads, cache and clock modes describe the CPU configuration. Performance depends on the workload and comparable measured results.

• Base Frequency
  3.5 GHz 2.53 GHz
• Core architecture
  normal normal
• CPU Cores
  8 4
• CPU Threads
  16 8
• Hyperthreading / SMT
  Yes Yes
• Overclocking
  Yes Yes
• Turbo Frequency (1 Core)
  5.3 GHz 2.93 GHz
• Turbo Frequency (8 Cores)
  4.8 GHz -
• Core Configuration
  - 4x

Internal Graphics does not affect the performance of the CPU, performs the work of the graphics card in its absence or on mobile devices.

• DirectX Version
  12 -
• Execution units
  32 -
• Generation
  12 -
• GPU Frequency
  350 MHz -
• GPU name
  Intel UHD Graphics 750 no iGPU
• GPU Turbo
  1300 MHz No turbo
• Max. displays
  3 -
• Release date
  Q1/2021 -
• Shader
  256 -
• Technology
  14 nm -

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

• AV1
  Decode No
• H.264 / AVC
  Decode / Encode No
• h265 / HEVC (8 bit)
  Decode / Encode No
• h265 / HEVC (10 bit)
  Decode / Encode No
• JPEG
  Decode / Encode No
• VC-1
  Decode No
• VP8
  Decode No
• VP9
  Decode / Encode No

Types, channel quantity of RAM supported by Intel Xeon X3440 and Intel Core i9-11900K. Depending on the motherboards, higher or lower memory frequencies may be supported.

• ECC
  No Yes
• Max. Memory
  128 GB 32 GB
• Memory channels
  2 2 (Dual Channel)
• Memory type
  DDR4-3200 DDR3-1066DDR3-1333DDR3-800
• PCIe lanes
  20 -
• PCIe version
  4.0 -
• Memory Bandwidth
  - 21.3 GB/s
• PCIe
  - 2.0 x 16

• AES-NI
  Yes No

Compare the TDP requirements of TDP Intel Core i9-11900K and Intel Xeon X3440 Power specifications describe different manufacturer limits. TDP, base power and maximum turbo power are separate values; they do not establish measured system consumption.

• Maximum Operating Temperature
  100 °C -
• TDP (PL1, legacy label)
  125 W -
• TDP (PL2)
  251 W / 56 s -
• TDP down
  95 W -
• TDP (PL1 / PBP, legacy combined label)
  - 95 W

Architecture, interfaces, additional instructions supported by Intel Core i9-11900K and Intel Xeon X3440, virtual machine technologies and process technology.

• Architecture
  Rocket Lake S Lynnfield
• Instruction set (ISA)
  x86-64 (64 bit) x86-64 (64 bit)
• ISA extensions
  SSE4.1, SSE4.2, AVX2, AVX-512 SSE4.1, SSE4.2
• L2-Cache
  4 MB 8 MB
• L3-Cache
  16 MB -
• Release date
  Q1/2021 Q3/2009
• Socket
  LGA 1200 LGA 1156
• Technology
  14 nm 45 nm
• Virtualization
  VT-x, VT-x EPT, VT-d VT-d, VT-x, VT-x EPT
• Chip design
  - Monolithic
• Documents
  - Technical data sheet
• Operating systems
  - Windows 10, Linux
• Release price
  - 230 $