Altrix CX-1603 Prime 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX1603-PRIME · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 40,786 (Processors scale) |
|---|---|
| Category rank | #25,218 |
| Street price | $429 |
| Power | 125 W (TDP) |
| Performance per dollar | 95.07 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-1603 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.8 GHz |
| Max boost clock | 5.3 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 | Integrated graphics (4 cores) |
| Unlocked multiplier | No |
| 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-4122 Core 24-Core LGA1700 Desktop Processor | 56,804 | $809 | Compare |
| Altrix CX-9664 Ti 6-Core AM4 Desktop Processor | 28,976 | $219 | Compare |
| Veltrix CX-7257 Prime 8-Core AM5 Desktop Processor | 43,960 | $459 | Compare |
| Veltrix CX-3651 Plus 20-Core LGA1851 Desktop Processor | 55,426 | $639 | Compare |
| Nexora CX-3437 Core 12-Core AM5 Desktop Processor | 50,926 | $709 | Compare |
| Altrix CX-1463 Plus 14-Core LGA1851 Desktop Processor | 29,348 | $249 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-1603 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/10109263 (accessed 2026-10-21).