AMD Ryzen Threadripper 3990X
The Ryzen Threadripper 3990X is an incredible product from AMD that is not only exciting for professionals today, but it paves the way for more affordable core-heavy desktop parts in the near future.
– As reviewed by TechSpot on Feb 2020
64
Cores
128
Threads
2.9 GHz
Base Clock
4.3 GHz
Boost Clock
Socket TRX4
Socket
280 W
TDP
No iGPU
Graphics
$2,997
Price
| CPU Snapshot | |||
| Release date: | Feb 7, 2020 | Price at Launch: | $3,990 |
| Type: | Desktop | Socket: | Socket TRX4 |
| Cores: | 64 | Threads: | 128 |
| Multithreading: | Yes | ||
| Clocks & Cache | |||
| Base Clock: | 2.9 GHz | Boost Clock: | 4.3 GHz |
| L2 Cache: | 32 MB | L3 Cache: | 256 MB |
| Platform | |||
| Codename: | Castle Peak (Zen 2) | Process Size: | 7 nm |
| Memory Support: | DDR4-3200 | TDP: | 280 W |
| PCIe Support: | PCIe 4.0, 64 Lanes | Box Cooler: | No |
| Integrated Features | |||
| Integrated Graphics: | No | NPU: | No |
Price History
AMD Ryzen Threadripper 3990X pricing
| Price | Date | |
| Current | $2,997 | Feb 2, 2026 |
| Highest* | $3,990 | Jun 29, 2025 |
| Lowest* | $2,499 | Sep 11, 2025 |
| Average | $2,918 | |
* Prices are based on listings from Newegg and other major retailers over the past 12+ months.
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After reviewing the Threadripper 3990X, it was made clear the 64-core/128-thread beast from AMD lays waste to every HEDT part we have ever tested. It's an insane productivity CPU, that we pushed to extremes to torture a few motherboards just this week....
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