GadgetVersus Smartphone Processor

AMD Ryzen 7 3800X vs Intel Core i7-9700K

AMD Ryzen 7 3800X on Amazon USA
Intel Core i7-9700K on Amazon USA

Comparison of the technical characteristics between the processors, with the AMD Ryzen 7 3800X on one side and the Intel Core i7-9700K on the other side. The first is dedicated to the desktop sector, It has 8 cores, 16 threads, a maximum frequency of 4.5GHz. The second is used on the desktop segment, it has a total of 8 cores, 8 threads, its turbo frequency is set to 4.9 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 AMD Ryzen 7 3800X Intel Core i7-9700K
Market Desktop Desktop
Family Zen 2 Coffee Lake
Part number(s), S-Spec 100-000000025,
Release date Q3 2019 Q4 2018
Lithography 7 nm FinFET 14 nm++
Transistors 19,200,000,000 -
Cores 8 8
Threads 16 8
Base frequency 3.9 GHz 3.6 GHz
Turbo frequency 4.5 GHz 4.9 GHz
Cache memory 32 MB 12 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-2666
Max PCIe lanes 20 16
TDP 105 W 95 W
GPU integrated graphics None Intel UHD Graphics 630
GPU execution units - 23
GPU shading units - 184
GPU clock rate - 1,150 MHz
GPU FP32 floating point - 423.2 GFLOPS
Socket AM4 LGA 1151
Cinebench R15 single thread 200 210
Cinebench R15 multi-thread 2,900 1,515
PassMark single thread 3,030 2,830
PassMark CPU Mark 24,710 17,250
(Windows 64-bit)
Geekbench 4 single core
5,760 6,084
(Windows 64-bit)
Geekbench 4 multi-core
35,030 29,763
GFLOPS performance
(Multi-core / price performance)
Performance / price ratio
95 pts / $ 61 pts / $
(Multi-core / watt performance)
Performance / watt ratio
334 pts / W 313 pts / W
(Multi-core / global cost performance)
Performance / global cost ratio
53 pts / $ 39 pts / $
Note 4.1 / 5 4.6 / 5
Reviews 11 171
Amazon AMD Ryzen 7 3800X Intel Core i7-9700K
New price on Amazon
$370 $490
Used price on Amazon
$400 $460
eBay AMD Ryzen 7 3800X Intel Core i7-9700K
New price on eBay
$480 $470
Used price on eBay
$330 $240

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. We see that the two processors have an equivalent number of cores, the turbo frequency of Intel Core i7-9700K is bigger, that the thermal dissipation power of Intel Core i7-9700K is less. The AMD Ryzen 7 3800X 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.

Cinebench R15 - Multi-thread & single thread score
AMD Ryzen 7 3800X 200
Intel Core i7-9700K 210

In single core, the difference is -5%. In multi-core, the differential gap is 91%.

Cinebench R15 evaluates the performance of CPU calculations by restoring a photorealistic 3D scene. The scene has 2,000 objects, 300,000 polygons, uses sharp and fuzzy reflections, bright areas, shadows, procedural shaders, antialiasing, and so on. The faster the rendering of the scene is created, the more powerful the PC is, with a high number of points.

PassMark - CPU Mark & single thread
AMD Ryzen 7 3800X 3,030
Intel Core i7-9700K 2,830

In single core, the difference is 7%. In multi-core, the differential gap is 43%.

PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.

Sur Windows 64-bit :

Geekbench 4 - Multi-core & single core score - Windows 64-bit
AMD Ryzen 7 3800X 5,760
Intel Core i7-9700K 6,084

In single core, the difference is -5%. In multi-core, the differential gap is 18%.

Sur Linux 64-bit :

Geekbench 4 - Multi-core & single core score - Linux 64-bit
AMD Ryzen 7 3800X 6,248
Intel Core i7-9700K 6,057

In single core, the difference is 3%. In multi-core, the differential gap is 71%.

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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