AMD · Ryzen 9 · 2025 · AM5
The AMD Ryzen 9 9950X3D is a desktop processor with 16 cores, released in 2025 at an MSRP of $849. It is part of the Ryzen 9 lineup, using the Ryzen 9000 platform, and fits the AM5 socket. Internally, it is built on the "Zen 5" architecture. Thanks to AMD Simultaneous Multi-Threading (SMT), each core can handle two instruction streams simultaneously, yielding a total of 32 threads for improved parallelism. The Ryzen 9 9950X3D has a base clock of 4.3 GHz and can boost up to 5.7 GHz depending on workload and thermal headroom. AMD manufactures the "Zen 5" silicon on a TSMC 4nm process node. The multiplier is unlocked, making overclocking straightforward. This processor supports DDR5 memory. ECC memory is supported, provided the motherboard enables it. With a TDP of 170W, the Ryzen 9 9950X3D runs hot and requires a capable cooling setup. Integrated graphics are provided by the Radeon Graphics solution, so a discrete GPU is not required for display output. The cache hierarchy consists of 1MB of L1, 16MB of L2, and 128MB of L3 cache — an unusually large L3 that greatly benefits latency-sensitive workloads like gaming.
Adds AMD 3D V-Cache — a second 64MB L3 die stacked directly on top of the standard cache — bringing total L3 to 128MB versus the plain 9950X, a configuration that meaningfully boosts gaming performance in cache-sensitive titles at the same clock speeds.
| Brand | AMD |
|---|---|
| Family | Ryzen 9 |
| Series | Ryzen 9000 |
| Architecture | Zen 5 |
| Type | Desktop |
| Launch year | 2025 |
| Cores | 16 |
| Threads | 32 |
| Base clock | 4.3 GHz |
| Boost clock | 5.7 GHz |
| L1 cache | 1MB |
| L2 cache | 16MB |
| L3 cache | 128MB |
| TDP | 170W |
| Socket | AM5 |
| Process | TSMC 4nm |
| Memory type | DDR5 |
| Integrated graphics | Radeon Graphics |
| Chipsets | X870E, X870, X670E, X670, B650E, B650, A620 |
| Launch MSRP | $849 |
| Part number | 100-100000719WOF |
| OEM / tray part number | 100-000000719 |