GadgetVersus Smartphone Processor

Intel Core i9-9900KS vs Intel Core i9-9900X

Intel Core i9-9900KS on eBay USA
Intel Core i9-9900X on eBay USA

Comparison of the technical characteristics between the processors, with the Intel Core i9-9900KS on one side and the Intel Core i9-9900X on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 5.0GHz. The second is used on the desktop segment, it has a total of 10 cores, 20 threads, its turbo frequency is set to 4.4 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the date of first broadcast, the maximum number of PCIe lines, the values ​​obtained in Geekbench 4 and Cinebench R15, as well as an average price.


Processor Intel Core i9-9900KS Intel Core i9-9900X
Market Desktop Desktop
Family Coffee Lake Skylake-X
Part number(s), S-Spec BX80684I99900KS BX80673I99900X,
Release date Q4 2019 Q4 2018
Lithography 14 nm++ 14 nm++
Cores 8 10
Threads 16 20
Base frequency 3.6 GHz 3.5 GHz
Turbo frequency 5.0 GHz 4.4 GHz
Cache memory 16 MB 19.25 MB
Max memory capacity 64 GB 128 GB
Memory types DDR4-2666 DDR4-2666
Max PCIe lanes 16 44
TDP 127 W 165 W
GPU integrated graphics Intel UHD Graphics 630 None
GPU execution units 23 -
GPU shading units 184 -
GPU clock rate 1,150 MHz -
GPU FP32 floating point 423.2 GFLOPS -
Socket LGA 1151 LGA 2066
(Windows 64-bit)
Geekbench 4 single core
6,373 5,271
(Windows 64-bit)
Geekbench 4 multi-core
36,091 37,080
GFLOPS performance
620.3 GFLOPS 1,119.4 GFLOPS
(Multi-core / price performance)
Performance / price ratio
59 pts / $ 35 pts / $
(Multi-core / watt performance)
Performance / watt ratio
284 pts / W 225 pts / W
(Multi-core / global cost performance)
Performance / global cost ratio
37 pts / $ 24 pts / $
Note - 5 / 5
Reviews - 5
Amazon Intel Core i9-9900KS Intel Core i9-9900X
New price on Amazon
- $1,000
Used price on Amazon
- -
eBay Intel Core i9-9900KS Intel Core i9-9900X
New price on eBay
- $1,050
Used price on eBay
- -

Price: prices can change over time. For technical reasons, they are not updated in real time. This is only an average of the results on the first page of each product, whether new or used. Shipping costs have not been integrated. To know the final price of the product, please go to the form of the shop. If no price is indicated, it means that we did not find any offers during the last update.

We can better compare what are the technical differences between the two processors. The processor Intel Core i9-9900X has a larger number of cores, the maximum frequency of Intel Core i9-9900KS is greater, that the PDT of Intel Core i9-9900KS is lower. The Intel Core i9-9900KS was designed earlier.

Ratios: we first consider the average for the new price if available, the average for the used price otherwise. Performance / global cost ratio: This is the ratio of performance on Geekbench 4, divided by the cost of the product + the cost of electricity over 5 years for a duration of use of 13 hours per day.

Performances :

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

Sur Windows 64-bit :

Geekbench 4 - Multi-core & single core score - Windows 64-bit
Intel Core i9-9900X 5,271
Intel Core i9-9900KS 6,373

In single core, the difference is 21%. In multi-core, the difference in terms of gap is 3%.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.

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