Altrix CX-4645 Prime 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX4645-PRIME · Released 2026 · Updated 2026-10-25
Key facts
| Benchmark index | 29,345 (Processors scale) |
|---|---|
| Category rank | #8,916 |
| Street price | $179 |
| Power | 125 W (TDP) |
| Performance per dollar | 163.94 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-4645 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.9 GHz |
| Max boost clock | 5.0 GHz |
| L3 cache | 30 MB |
| Power | 125 W base / 250 W max turbo |
| Memory support | DDR5-6400, dual channel (CUDIMM supported) |
| CPU PCIe lanes | 20× PCIe 5.0 + 4× PCIe 4.0 |
| Integrated graphics | None (F model) |
| Unlocked multiplier | Yes |
| NPU | 13 TOPS |
| Cooler included | No |
Related guides
Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets
Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix CX-7856 Core 8-Core AM4 Desktop Processor | 14,088 | $79 | Compare |
| Veltrix CX-4941 SE 8-Core AM4 Desktop Processor | 47,501 | $589 | Compare |
| Veltrix CX-1476 SE 8-Core AM4 Desktop Processor | 50,552 | $659 | Compare |
| Veltrix CX-6195 Plus 20-Core LGA1700 Desktop Processor | 31,695 | $289 | Compare |
| Nexora CX-7704 SE 20-Core LGA1700 Desktop Processor | 51,832 | $619 | Compare |
| Nexora CX-1569 Max 16-Core AM4 Desktop Processor | 50,532 | $649 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-4645 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/8699538 (accessed 2026-10-25).