72points
86points

Intel Core i9-10900K

64points
74points

Intel Core i9-10900X

Intel Core i9-10900K
Comparison winner
Cost-effectiveness winner
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Intel Core i9-10900X
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38 facts in comparison

Intel Core i9-10900K vs Intel Core i9-10900X

Intel Core i9-10900K
Intel Core i9-10900X

Why is Intel Core i9-10900K better than Intel Core i9-10900X?

  • 6.57% higher PassMark result
    ?

    24183vs22692
  • 0.75MB bigger L3 cache
    ?

    20MBvs19.25MB
  • 0.8GHz higher turbo clock speed
    ?

    5.3GHzvs4.5GHz
  • 40W lower TDP
    ?

    125Wvs165W
  • 16.43% higher PassMark result (single)
    ?

    3175vs2727
  • 3.82% higher multi-core Geekbench 5 result
    ?

    10991vs10587
  • 21.84% higher single-core Geekbench 5 result
    ?

    1406vs1154
  • 44.1seconds faster Blender (classroom) result
    ?

    409.6secondsvs453.7seconds

Why is Intel Core i9-10900X better than Intel Core i9-10900K?

  • 7.5MB bigger L2 cache
    ?

    10MBvs2.5MB
  • 0.75MB/core more L2 cache per core
    ?

    1MB/corevs0.25MB/core
  • 2 more memory channels
    ?

    4vs2
  • 128GB larger maximum memory size
    ?

    256GBvs128GB

Price comparison

Intel Core i9-10900K

ProductStorePrice
Intel Core i9-10900K AmazonIntel Core i9-10900K Desktop Processor 1...Intel Core i9-10900K Desktop Processor 10 Cores up to 5.3 GHz Unlocked  LGA1200 (Intel 400 Series Chipset) 125W
Amazon logo
$549.99
Intel Core i9-10900K AmazonIntel Core i9-10900K Ten Core Desktop Pr...Intel Core i9-10900K Ten Core Desktop Processor Up to 5.3 GHz Comet Lake - OEM Tray Version
Amazon logo
$549.99
Intel Core i9-10900K AmazonIntel Core i9-10900K Desktop Processor F...Intel Core i9-10900K Desktop Processor Featuring Marvel's Avengers Collector's Edition Packaging 10 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 400 Series chipset) 125W
Amazon logo
$747.48

Intel Core i9-10900X

ProductStorePrice
Intel Core i9-10900X AmazonIntel Core i9-10900X Desktop Processor 1...Intel Core i9-10900X Desktop Processor 10 Cores up to 4.7GHz Unlocked LGA2066 X299 Series 165W (BX8069510900X)
Amazon logo
$559.99
Intel Core i9-10900X AmazonIntel Core i9-10900X Cascade Lake 3.7GHz...Intel Core i9-10900X Cascade Lake 3.7GHz 19.25MB CPU Desktop Processor Boxed
Amazon logo
$621.31
Intel Core i9-10900X walmartIntel Core i5-8400 6 Core 2.80 GHz Proce...Intel Core i5-8400 6 Core 2.80 GHz Processor LGA-1151 OEM/TRAY CM8068403358811
walmart logo
$181.33

Cheap alternatives

General info

1.Supports 64-bit
Intel Core i9-10900K
Intel Core i9-10900X
A 32-bit operating system can only support up to 4GB of RAM. 64-bit allows more than 4GB, giving increased performance. It also allows you to run 64-bit apps.
Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.
The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.
Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.
If the CPU exceeds the maximum operating temperature then problems such as random resets can occur.
6.Has integrated graphics
Intel Core i9-10900K
Intel Core i9-10900X
With integrated graphics you don’t need to buy a separate graphics card.

Performance

1.CPU speed

10 x 3.7GHz

10 x 3.7GHz

The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
More threads result in faster performance and better multitasking.
3.L2 cache

2.5MB

10MB

A larger L2 cache results in faster CPU and system-wide performance.
4.L3 cache

20MB

19.25MB

A larger L3 cache results in faster CPU and system-wide performance.
When the CPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.
6.L1 cache

640KB

640KB

A larger L1 cache results in faster CPU and system-wide performance.

Memory

1.RAM speed

2933MHz

2933MHz

It can support faster memory, which will give quicker system performance.
More memory channels increases the speed of data transfer between the memory and the CPU.
The maximum amount of memory (RAM) supported.
4.Supports ECC memory
Intel Core i9-10900K
Intel Core i9-10900X
Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.
DDR (Double Data Rate) memory is the most common type of RAM. Newer versions of DDR memory support higher maximum speeds and are more energy-efficient.

Features

1.Has AES
Intel Core i9-10900K
Intel Core i9-10900X
AES is used to speed up encryption and decryption.
2.Has dynamic frequency scaling
Intel Core i9-10900K
Intel Core i9-10900X
Dynamic frequency scaling is a technology that allows the processor to conserve power and reduce noise when it is under a light load.
SSE is used to speed up multimedia tasks such as editing an image or adjusting audio volume. Each new version contains new instructions and improvements.
4.Has AVX
Intel Core i9-10900K
Intel Core i9-10900X
AVX is used to help speed up calculations in multimedia, scientific and financial apps, as well as improving Linux RAID software performance.
5.Has MMX
Intel Core i9-10900K
Intel Core i9-10900X
MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
6.Has F16C
Intel Core i9-10900K
Intel Core i9-10900X
F16C is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.

Benchmarks

This benchmark measures the performance of the CPU using multiple threads.
This benchmark measures the performance of the CPU using a single thread.
Geekbench 5 is a cross-platform benchmark that measures a processor's multi-core performance. (Source: Primate Labs, 2021)
Geekbench 5 is a cross-platform benchmark that measures a processor's single-core performance. (Source: Primate Labs, 2021)
5.Blender (classroom) result

409.6seconds

453.7seconds

The Blender (classroom) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.
6.Blender (bmw27) result

132.9seconds

136.4seconds

The Blender (bmw27) benchmark measures the performance of a processor by rendering a 3D scene. More powerful processors can render the scene in less time.

Price comparison

Intel Core i9-10900K

ProductStorePrice
Intel Core i9-10900K AmazonIntel Core i9-10900K Desktop Processor 1...Intel Core i9-10900K Desktop Processor 10 Cores up to 5.3 GHz Unlocked  LGA1200 (Intel 400 Series Chipset) 125W
Amazon logo
$549.99
Intel Core i9-10900K AmazonIntel Core i9-10900K Ten Core Desktop Pr...Intel Core i9-10900K Ten Core Desktop Processor Up to 5.3 GHz Comet Lake - OEM Tray Version
Amazon logo
$549.99
Intel Core i9-10900K AmazonIntel Core i9-10900K Desktop Processor F...Intel Core i9-10900K Desktop Processor Featuring Marvel's Avengers Collector's Edition Packaging 10 Cores up to 5.3 GHz Unlocked LGA1200 (Intel 400 Series chipset) 125W
Amazon logo
$747.48

Intel Core i9-10900X

ProductStorePrice
Intel Core i9-10900X AmazonIntel Core i9-10900X Desktop Processor 1...Intel Core i9-10900X Desktop Processor 10 Cores up to 4.7GHz Unlocked LGA2066 X299 Series 165W (BX8069510900X)
Amazon logo
$559.99
Intel Core i9-10900X AmazonIntel Core i9-10900X Cascade Lake 3.7GHz...Intel Core i9-10900X Cascade Lake 3.7GHz 19.25MB CPU Desktop Processor Boxed
Amazon logo
$621.31
Intel Core i9-10900X walmartIntel Core i5-8400 6 Core 2.80 GHz Proce...Intel Core i5-8400 6 Core 2.80 GHz Processor LGA-1151 OEM/TRAY CM8068403358811
walmart logo
$181.33

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