Product Compare
AMD Ryzen 9 PRO 9955 vs AMD Ryzen AI 5 PRO 440
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jun 2026 | Jan 2026 |
| Manufacturer | AMD | AMD |
| Type | Server | Laptop |
| Core Architecture | Granite Ridge | Gorgon Point |
| Integrated Graphics | Radeon Graphics | Radeon 840M |
| Generation | Ryzen 9 (Zen 5 (Granite Ridge)) | Ryzen AI 400 (Zen 5 / Zen 5c) |
| Series | Ryzen AI PRO 400 Series | |
| Package | ||
| Transistor Count | 16.63 billions | |
| Manufacturing Process | 4 nm | 4 nm |
| Socket | AMD Socket AM5 | AMD Socket FP8 |
| Power Consumption | 120 W | 28 W |
| Peak Operating Temperature | 95°C | 100°C |
| Foundry | TSMC | TSMC |
| Die Size | 2x70.6 mm² | 195 mm² |
| I/O Process Size | 6 nm | |
| I/O Die Size | 122 mm² | |
| Package | FC-LGA1718 | FP8 |
| CPU Performance | ||
| Performance Core Base Frequency | 3.4 GHz | 2 GHz |
| Performance Core Turbo Frequency | 5.4 GHz | 4.8 GHz |
| Total Core Count | 12 | 6 |
| Total Thread Count | 24 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 34.0 | 20.0 |
| L1 Cache | 80 KB per core | 80 KB per core |
| L2 Cache | 1 MB per core | 1 MB per core |
| L3 Cache | 64 MB | 16 MB |
| Unlocked Multiplier | No | No |
| SMP | 1 | 1 |
| Performance Cores | 3 | |
| Performance Core Threads | 6 | |
| Efficiency Cores | 3 | |
| Efficiency Core Threads | 6 | |
| Efficiency Core Base Frequency | 2.0 GHz | |
| Efficiency Core Turbo Frequency | 3.5 GHz | |
| Memory Parameters | ||
| Memory Types | DDR5-5600 | DDR5-5600, LPDDR5X-8533 |
| Max Memory Channels | 2 | 2 |
| Max Memory Bandwidth | 89.6 GB/s | 136.5 GB/s |
| ECC Memory Support | Yes | Yes |
| Max Memory Size | 256 GB | |
| Miscellaneous | ||
| PCIe Version | 5 | 4 |
| PCIe Lanes | 24 | 16 |
| Official Website | Official Link ↗ | |
| Graphics Card Parameters | ||
| GPU Base Frequency | MHz | |
| GPU Max Dynamic Frequency | 2900 MHz | |
| Execution Units | 4 | |
| AI Accelerator | ||
| NPU | AMD Ryzen™ AI | |
| Theoretical performance | 50 TOPS | |