AMD · 2019
AMD Ryzen 9 3900X
The AMD Ryzen 9 3900X is a desktop processor released in 2019, featuring 12 cores and 24 threads based on the Zen 2 microarchitecture.
The AMD Ryzen 9 3900X is a high-end desktop processor from AMD's third-generation Ryzen series, launched on July 7, 2019. It is built on the 7 nm process node and uses the Zen 2 microarchitecture. The processor has 12 cores and 24 threads, with a base clock of 3.8 GHz and a boost clock of 4.6 GHz. It includes 768 KB of L1 cache, 6 MB of L2 cache, and 64 MB of L3 cache. The TDP is 105 W, and it supports DDR4-3200 memory across two channels without ECC support. The CPU has 24 PCIe 4.0 lanes and uses the AM4 socket. It does not have integrated graphics. The multiplier is unlocked, allowing overclocking. The launch MSRP was $499 USD.
Specifications
| Microarchitecture unverified | Zen 2 |
|---|---|
| Cores | 12 |
| Threads | 24 |
| Base clock unverified | 3.8 GHz |
| Boost clock unverified | 4.6 GHz |
| L1 cache (total) unverified | 768 KB |
| L2 cache (total) unverified | 6 MB |
| L3 cache unverified | 64 MB |
| Process node unverified | 7 nm |
| TDP / base power unverified | 105 W |
| Socket unverified | AM4 |
| Memory support unverified | DDR4-3200 |
| Memory channels unverified | 2 |
| ECC memory support unverified | No |
| Integrated graphics unverified | none |
| PCIe lanes (CPU) unverified | 24 |
| PCIe version unverified | 4.0 |
| Instruction sets unverified | x86-64 |
| Unlocked multiplier unverified | Yes |
| Release date unverified | 2019-07-07 |
| Release year unverified | 2019 |
| Launch MSRP unverified | 499 USD |