GadgetVersus Smartphone Processor

AMD Ryzen 7 3750X vs AMD Ryzen 9 3900

AMD Ryzen 7 3750X on Amazon USA
AMD Ryzen 9 3900 on Amazon USA

Comparison of the technical characteristics between the processors, with the AMD Ryzen 7 3750X on one side and the AMD Ryzen 9 3900 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 12 cores, 24 threads, its turbo frequency is set to 4.3 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 3750X AMD Ryzen 9 3900
Market Desktop Desktop
Family Zen 2 Zen 2
Part number(s), S-Spec Ryzen 7 3750X Ryzen 9 3900
Release date Q4 2019 Q4 2019
Lithography 7 nm FinFET 7 nm FinFET
Transistors 19,200,000,000 19,200,000,000
Cores 8 12
Threads 16 24
Base frequency 3.7 GHz 3.1 GHz
Turbo frequency 4.5 GHz 4.3 GHz
Cache memory 32 MB 64 MB
Max memory capacity 128 GB 128 GB
Memory types DDR4-3200 DDR4-3200
Max PCIe lanes 20 20
TDP 105 W 65 W
GPU integrated graphics None None
Socket AM4 AM4
Amazon AMD Ryzen 7 3750X AMD Ryzen 9 3900
New price on Amazon
- -
Used price on Amazon
- -
eBay AMD Ryzen 7 3750X AMD Ryzen 9 3900
New price on eBay
- $610
Used price on eBay
- $470

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 AMD Ryzen 9 3900 has a larger number of cores, the maximum frequency of AMD Ryzen 7 3750X is greater, that the thermal dissipation power of AMD Ryzen 9 3900 is less. Both were produced in the same year.

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.

There are still no results in the benchmark platforms for at least one of these processors. Please come back later.

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