Intel Core i9-12900KS
Intel Core i5-12400T
Select video card 1
Select video card 2

Intel Core i9-12900KS vs Intel Core i5-12400T. Specifications, performance, tests

Overall score
star star star star star
Released
Q2/2022
Intel Core i9-12900KS
Intel Core i9-12900KS
Released
Q1/2022
Overall score
star star star star star
Intel Core i5-12400T
Intel Core i5-12400T

What's the best choice Intel Core i9-12900KS or Intel Core i5-12400T? Which processor is faster?

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

Intel Core i9-12900KS has a maximum frequency of 3.20 GHz. 16 / 24 Cores. Power consumption of 125 W. Released in Q2/2022.

Intel Core i5-12400T has a maximum frequency of 1.80 GHz. 6 / 12 Cores. Power consumption of 35 W. Released in Q1/2022.

Differences

  • Place in the overall ranking

    (based on several benchmarks)

    98 left arrow score
  • Higher clock speed

    Around 44% better clock speed

    3.20 GHz left arrow 1.80 GHz
  • More number of cores

    10 times more cores

    16 left arrow 6
  • Higher turbo clock speed

    Around 24% better overclocked clock speed

    5.50 GHz left arrow 4.20 GHz

Positions in all rankings

Common positions Intel Core i9-12900KS CPU in popular benchmarks, for comparison with other models.

  • Cinebench R23 (Single-Core)
    11 place
  • Cinebench R23 (Multi-Core)
    338 place
  • Cinebench R20 (Single-Core)
    19 place
  • Cinebench R20 (Multi-Core)
    27 place
  • Cinebench R15 (Single-Core)
    18 place
  • Geekbench 5, 64bit (Single-Core)
    25 place
  • Geekbench 5, 64bit (Multi-Core)
    56 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    423 place
  • Blender 2.81 (bmw27)
    178 place
  • Estimated results for PassMark CPU Mark
    46 place
  • Geekbench 6 (Multi-Core)
    24 place
  • Performance per watt

    About 0.28 times less performance per watt

    35 W left arrow 125 W

Positions in all rankings

Common positions Intel Core i5-12400T CPU in popular benchmarks, for comparison with other models.

  • Geekbench 5, 64bit (Single-Core)
    173 place
  • iGPU - FP32 Performance (Single-precision GFLOPS)
    468 place

Specifications

Technical data
Intel Core i9-12900KS Intel Core i9-12900KS
Intel Core i5-12400T Intel Core i5-12400T
CPU family and group

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

  • Family
    Intel Core i9 left arrow Intel Core i5
  • CPU group
    Intel Core i 12000 left arrow Intel Core i 12000
  • Segment
    Desktop / Server left arrow Desktop / Server
  • Generation
    12 left arrow 12
  • Predecessor
    -- left arrow Intel Core i5-11400T
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.

  • CPU Cores / Threads
    16 / 24 left arrow 6 / 12
  • Core architecture
    hybrid (big.LITTLE) left arrow normal
  • A-Core
    8x Golden Cove left arrow 6x Golden Cove
  • B-Core
    8x Gracemont left arrow --
  • Frequency
    3.20 GHz left arrow 1.80 GHz
  • Turbo (1 Core)
    5.50 GHz left arrow 4.20 GHz
  • Hyperthreading
    Yes left arrow Yes
  • Overclocking
    Yes left arrow No
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 770 left arrow Intel UHD Graphics 770
  • GPU frequency
    0.30 GHz left arrow 0.30 GHz
  • GPU (Turbo)
    1.45 GHz left arrow 1.45 GHz
  • Execution units
    32 left arrow 32
  • Shader
    256 left arrow 256
  • Max. displays
    3 left arrow 3
  • Generation
    11 left arrow 11
  • Direct X
    12 left arrow 12
  • Technology
    10 nm left arrow 10 nm
  • Release date
    Q4/2021 left arrow Q4/2021
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
  • VP8
    Decode / Encode left arrow Decode / Encode
  • VP9
    Decode / Encode left arrow Decode / Encode
  • AV1
    Decode 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 i5-12400T and Intel Core i9-12900KS. Depending on the motherboards, higher or lower memory frequencies may be supported.

  • Memory type
    DDR4-3200DDR5-4800 left arrow DDR4-3200DDR5-4800
  • Max. Memory
    128 GB left arrow 128 GB
  • Memory channels
    2 left arrow 2
  • ECC
    No left arrow No
  • PCIe
    5.0 x 20 left arrow 5.0 x 20
  • AES-NI
    Yes left arrow Yes
Thermal Management

Compare the TDP requirements of TDP Intel Core i9-12900KS and Intel Core i5-12400T to select a cooling system. Note, the TDP value refers to thermal watts, not electrical watts.

  • TDP (PL1)
    125 W left arrow 35 W
  • TDP (PL2)
    241 W left arrow 74 W
  • Tjunction max.
    100 °C left arrow 100 °C
Technologies and extensions

Architecture, interfaces, additional instructions supported by Intel Core i9-12900KS and Intel Core i9-12900KS, virtual machine technologies and process technology.

  • Instruction set (ISA)
    x86-64 (64 bit) left arrow x86-64 (64 bit)
  • ISA extensions
    SSE4.1, SSE4.2, AVX2, AVX2+ left arrow SSE4.1, SSE4.2, AVX2, AVX2+
  • L2-Cache
    14.00 MB left arrow 7.50 MB
  • L3-Cache
    30.00 MB left arrow 18.00 MB
  • Architecture
    Alder Lake S left arrow Alder Lake S
  • Technology
    10 nm left arrow 10 nm
  • Virtualization
    VT-x, VT-x EPT, VT-d left arrow VT-x, VT-x EPT, VT-d
  • Socket
    LGA 1700 left arrow LGA 1700
  • Release date
    Q2/2022 left arrow Q1/2022
  • Part Number
    BX8071512900K left arrow --

Benchmarks

Performance tests CPUs

Based on the results of several benchmarks, you can more accurately estimate the difference in performance between Intel Core i9-12900KS and Intel Core i5-12400T.

Compare the synthetic test values and choose the best processor!

iGPU - FP32 Performance (Single-precision GFLOPS)
The performance of the iGPU - the internal GPU in games
17925
Intel Core i9-12900KS
742
Intel Core i5-12400T

Latest comparisons