AMD Ryzen 9 9950X

CPU Description

Release & Generation

• Released August 2024
• Zen 5 architecture; Ryzen 9000 series (Granite Ridge family)
• New Zen 5 microarchitecture delivers ~16% IPC improvement over Zen 4

Core Configuration & Speeds

• 16 Performance-cores + 0 Efficiency-cores = 16 cores / 32 threads
• 80 MB cache (16 MB L2 + 64 MB L3)
• Base frequency 4.3 GHz; up to 5.7 GHz boost
• 170W TDP

Memory Support

• DDR5 up to 5,600 MT/s officially supported (up to 8,000 MT/s overclocked)

Socket

• AM5; compatible with existing AM5 motherboards

Variants

• Ryzen 9 9950X: Current model; standard variant with 80 MB total cache
• Ryzen 9 9950X3D: Features 3D V-Cache with 144 MB total cache (adds 64 MB stacked cache); released March 2025