AMD Ryzen 9 3900X
Category: CPU / Processor
Manufacturer: AMD
Cores: 12C / 12T
Clock: 3.8 - 4.6 GHz
Socket: AM4
TDP: 105W
AMD Ryzen 9 3900X
Cores
12C / 12T
Clock
3.8 - 4.6 GHz
Socket
AM4
TDP
105W
No price data available
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Overview
The AMD Ryzen 9 3900X packs 12 cores and 12 threads. Clocks span 3.8GHz base to 4.6GHz boost. 64MB of L3 cache helps in cache-sensitive games and workloads. It drops into the AM4 socket with a 105W TDP — about 8.8W per core.
Board socket comes first when pairing parts — after that, make sure your cooler's rating covers the chip. Drop it into the PlanMyPC builder to check compatibility with the rest of your parts and compare current processor prices across retailers. Support and warranty service run through AMD, with terms that vary by region. The full specification sheet below breaks out every listed detail, and the compatibility checker flags conflicts with parts already in your build.
| Specification | Value |
|---|---|
| TDP | 105 W |
| CPU Cores | 12 |
| Socket | AM4 |
| L3 Cache | 64 MB |
| Threads | 12 |
| Base Clock | 3.8 GHz |
| Boost Clock | 4.6 GHz |
| Microarchitecture | Zen 2 |
| Integrated Graphics | None |
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