Intel Core i5-10400
Intel Core i9-11900K
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Intel Core i5-10400 vs Intel Core i9-11900K. Specifications, performance, tests

Overall score
star star star star star
Released
Q2/2020
Intel Core i5-10400
Intel Core i5-10400
Released
Q1/2021
Overall score
star star star star star
Intel Core i9-11900K
Intel Core i9-11900K

What's the best choice Intel Core i5-10400 or Intel Core i9-11900K? Which processor is faster?

We have prepared a comparison to help you choose the best processor. Compare their specifications and benchmarks.

Intel Core i5-10400 has a maximum frequency of 2.90 GHz. 6 Cores. Power consumption of 65 W. Released in Q2/2020.

Intel Core i9-11900K has a maximum frequency of 3.50 GHz. 8 Cores. Power consumption of 125 W. Released in Q1/2021.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    521 left arrow score
  • Performance per watt

    times less performance per watt

    65 W left arrow 125 W

Positions in all rankings

Common positions Intel Core i5-10400 CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    259 place
  • Cinebench R23 (Multi-Core)
    217 place
  • Cinebench R20 (Single-Core)
    233 place
  • Cinebench R20 (Multi-Core)
    211 place
  • Cinebench R15 (Single-Core)
    169 place
  • Cinebench R15 (Multi-Core)
    240 place
  • Geekbench 5, 64bit (Single-Core)
    424 place
  • Geekbench 5, 64bit (Multi-Core)
    461 place
  • Monero Hashrate kH/s
    92 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    660 place
  • Place in the overall ranking

    (based on several benchmarks)

    217 left arrow score
  • Higher clock speed

    Around 17% better clock speed

    3.50 GHz left arrow 2.90 GHz
  • More number of cores

    About 1.33 times more cores

    8 left arrow 6
  • Higher turbo clock speed

    Around 19 % better overclocked clock speed

    5.30 GHz left arrow 4.30 GHz

Positions in all rankings

Common positions Intel Core i9-11900K CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    66 place
  • Cinebench R23 (Multi-Core)
    77 place
  • Cinebench R20 (Single-Core)
    51 place
  • Cinebench R20 (Multi-Core)
    68 place
  • Cinebench R15 (Single-Core)
    34 place
  • Cinebench R15 (Multi-Core)
    90 place
  • Geekbench 5, 64bit (Single-Core)
    64 place
  • Geekbench 5, 64bit (Multi-Core)
    986 place
  • Monero Hashrate kH/s
    41 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    530 place
  • Estimated results for PassMark CPU Mark
    126 place
  • CPU-Z Benchmark 17 (Single-Core)
    15 place
  • Geekbench 6 (Single-Core)
    59 place
  • Geekbench 6 (Multi-Core)
    68 place

Specifications

Technical data
Intel Core i5-10400 Intel Core i5-10400
Intel Core i9-11900K Intel Core i9-11900K
CPU family and group

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

  • Segment
    Desktop / Server left arrow Desktop / Server
  • Family
    Intel Core i5 left arrow Intel Core i9
  • Generation
    10 left arrow 11
  • CPU group
    Intel Core i 10000 left arrow Intel Core i 11000
  • Predecessor
    Intel Core i5-9400 left arrow Intel Core i9-10900K
  • Successor
    Intel Core i5-11400 left arrow Intel Core i9-12900K
CPU Technical specs

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 left arrow 3.50 GHz
  • CPU Cores
    6 left arrow 8
  • Turbo (1 Core)
    4.30 GHz left arrow 5.30 GHz
  • CPU Threads
    12 left arrow 16
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    No left arrow Yes
  • Core architecture
    normal left arrow normal
IGPU

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 630 left arrow Intel UHD Graphics 750
  • GPU frequency
    0.35 GHz left arrow 0.35 GHz
  • GPU (Turbo)
    1.20 GHz left arrow 1.30 GHz
  • Execution units
    24 left arrow 32
  • Shader
    192 left arrow 256
  • Max. GPU Memory
    64 GB left arrow --
  • Max. displays
    3 left arrow 3
  • Generation
    9.5 left arrow 12
  • DirectX Version
    12 left arrow 12
  • Technology
    14 nm left arrow 14 nm
  • Release date
    Q4/2017 left arrow Q1/2021
Hardware codec support

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

  • h265 / HEVC (8 bit)
    Decode / Encode left arrow Decode / Encode
  • h265 / HEVC (10 bit)
    Decode / Encode left arrow Decode / Encode
  • h264
    Decode / Encode left arrow Decode / Encode
  • VP9
    Decode / Encode left arrow Decode / Encode
  • VP8
    Decode / Encode left arrow Decode
  • AV1
    No left arrow Decode
  • AVC
    Decode / Encode left arrow Decode / Encode
  • VC-1
    Decode left arrow Decode
  • JPEG
    Decode / Encode left arrow Decode / Encode
Memory specs & PCI

Types, channel quantity of RAM supported by Intel Core i9-11900K and Intel Core i5-10400. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-2666 left arrow DDR4-3200
  • Max. Memory
    128 GB left arrow 128 GB
  • ECC
    No left arrow No
  • Memory channels
    2 left arrow 2
  • PCIe version
    3.0 left arrow 4.0
  • PCIe lanes
    16 left arrow 20
Encryption
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i5-10400 and Intel Core i9-11900K to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    65 W left arrow 125 W
  • TDP (PL2)
    -- left arrow 251 W / 56 s
  • TDP down
    -- left arrow 95 W
  • Tjunction max.
    100 °C left arrow 100 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i5-10400 and Intel Core i5-10400, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • ISA extensions
    SSE4.1, SSE4.2, AVX2 left arrow SSE4.1, SSE4.2, AVX2, AVX-512
  • L2-Cache
    -- left arrow 4.00 MB
  • L3-Cache
    12.00 MB left arrow 16.00 MB
  • Architecture
    Comet Lake S left arrow Rocket Lake S
  • Technology
    14 nm left arrow 14 nm
  • Socket
    LGA 1200 left arrow LGA 1200
  • Release date
    Q2/2020 left arrow Q1/2021

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i5-10400 and Intel Core i9-11900K.

Compare the synthetic test values and choose the best processor!

Cinebench R23 (Single-Core)
Maxon's Cinebench R23 SC is a cross-platform test suite for macOs and Windows uses one CPU core, with no hypetrading
1110
Intel Core i5-10400
1686
Intel Core i9-11900K
Cinebench R23 (Multi-Core)
Maxon's Cinebench R23 MC is a cross-platform test suite for macOs and Windows using a multi-core and hyperthreading
7610
Intel Core i5-10400
16211
Intel Core i9-11900K
Cinebench R20 (Single-Core)
Cinebench R20 SC is a high load CPU test for long tasks on a desktop or notebook PC, uses one CPU core, with no hypetrading
450
Intel Core i5-10400
650
Intel Core i9-11900K
Cinebench R20 (Multi-Core)
Cinebench R20 MC is a high load CPU test for long tasks on a desktop or notebook PC, using a multi-core and hyperthreading
3197
Intel Core i5-10400
6187
Intel Core i9-11900K
Cinebench R15 (Single-Core)
The Cinebench R15 SC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
190
Intel Core i5-10400
262
Intel Core i9-11900K
Cinebench R15 (Multi-Core)
The Cinebench R15 MC stresses the computing modules of a desktop or laptop computer to their limits and accurately determines the key performance parameters of the hardware
1341
Intel Core i5-10400
2515
Intel Core i9-11900K
Geekbench 5, 64bit (Single-Core)
Geekbench 5 SC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
1120
Intel Core i5-10400
1878
Intel Core i9-11900K
Geekbench 5, 64bit (Multi-Core)
Geekbench 5 MC is a popular cross-platform performance test for desktop or mobile processors that uses system memory intensively
5870
Intel Core i5-10400
11645
Intel Core i9-11900K
Monero Hashrate kH/s
Monero hashrate is an estimated numerical value that determines how many hashes are generated by miners, benefiting from the number of cores CPU and memory speed
3.75
Intel Core i5-10400
7.25
Intel Core i9-11900K
iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
461
Intel Core i5-10400
666
Intel Core i9-11900K

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