AMD · 2026
AMD Ryzen 9 9955HX
The AMD Ryzen 9 9955HX is a high-end mobile processor based on the Zen 5 microarchitecture, released in 2026.
The AMD Ryzen 9 9955HX is a mobile processor featuring the Zen 5 microarchitecture. It has 12 cores and 24 threads, with a base clock of 3.4 GHz and a boost clock of 5.4 GHz. The processor includes 64 MB of L3 cache and has a TDP of 120 W. It was released on June 30, 2026, with an OEM launch MSRP. The Ryzen 9 9955HX is designed for high-performance laptops and is typically paired with compatible chipsets and DDR5 memory.
Specifications
| Microarchitecture unverified | Zen 5 |
|---|---|
| Cores unverified | 12 |
| Threads unverified | 24 |
| Base clock unverified | 3.4 GHz |
| Boost clock unverified | 5.4 GHz |
| L3 cache unverified | 64 MB |
| TDP / base power unverified | 120 W |
| Release date unverified | 2026-06-30 |
| Release year unverified | 2026 |
| Launch MSRP unverified | OEM USD |