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AMD Ryzen Threadripper 3990X

AMD Ryzen Threadripper 3990X

Ryzen Threadripper 3990X - desktop processor produced by AMD for socket sTRX4 that has 64 cores and 128 threads. The base clock frequency of the CPU is 2900 MHz, but due to Turbo Core technology, it can perform up to 4300 MHz. The size of the L3 cache is 128 MB. Please note that this chip doesn’t have integrated graphics.


Performance tests of AMD Ryzen Threadripper 3990X in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Ryzen Threadripper 3990X technical specifications


Vendor AMD
Released January 10, 2020
Launch price 3990 USD
Type Desktop
Codename Zen 2
Socket sTRX4
Integrated GPU No


Cores 64
Threads 128
Base Frequency 2.9 GHz
Turbo Boost Frequency 4.3 GHz
Bus frequency 100 MHz
Multiplier 29x
L1 Cache 96K (per core)
L2 Cache 512K (per core)
L3 Cache 128MB (shared)
Unlocked Multiplier Yes


Transistors 19.2 billions
Fabrication Process 7 nm
TDP 280 W
Max. temperature 95°C

Memory support

Memory types DDR4-3200
Memory Size 256 GB
Max. Memory Channels 4
Max. Memory Bandwidth 95.37 GB/s
EEC Support No


Official site AMD Ryzen Threadripper 3990X official page
PCI Express Version 4.0
PCI Express Lanes 88


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