Product Compare
AMD Ryzen 9 PRO 7945 vs AMD EPYC 7742
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jun 2023 | Aug 2019 |
| Manufacturer | AMD | AMD |
| Type | Server | Server |
| Core Architecture | Raphael | Rome |
| Integrated Graphics | Radeon Graphics | N/A |
| Generation | Ryzen 9 (Zen 4 (Raphael)) | EPYC (Zen 2 (Rome)) |
| Package | ||
| Transistor Count | 13.14 billions | 3.8 billions |
| Manufacturing Process | 5 nm | 7 nm |
| Socket | AMD Socket AM5 | AMD Socket SP3 |
| Power Consumption | 65 W | 225 W |
| Peak Operating Temperature | 47 °C | |
| Foundry | TSMC | TSMC |
| Die Size | 2x71 mm² | 74 mm² |
| I/O Process Size | 6 nm | |
| I/O Die Size | 122 mm² | |
| Package | FC-LGA1718 | FCLGA-4094 |
| CPU Performance | ||
| Performance Core Base Frequency | 3.7 GHz | 2.25 GHz |
| Performance Core Turbo Frequency | 5.4 GHz | 3.4 GHz |
| Total Core Count | 12 | 64 |
| Total Thread Count | 24 | 128 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 37.0 | 22.5 |
| L1 Cache | 64 KB per core | 96 K per core |
| L2 Cache | 1 MB per core | 512 K per core |
| L3 Cache | 64 MB shared | 256 MB shared |
| Unlocked Multiplier | No | No |
| SMP | 1 | 2 |
| Memory Parameters | ||
| Memory Types | DDR5-5200 | DDR4-3200 |
| ECC Memory Support | Yes | Yes |
| Max Memory Channels | 8 | |
| Miscellaneous | ||
| PCIe Version | 5 | 4 |
| PCIe Lanes | 24 | |