Altrix CX-8491 Prime 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX8491-PRIME · Released 2024 · Updated 2026-10-24
Key facts
| Benchmark index | 46,471 (Processors scale) |
|---|---|
| Category rank | #20,587 |
| Street price | $549 |
| Power | 125 W (TDP) |
| Performance per dollar | 84.65 |
| Released | 2024 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8491 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.5 GHz |
| Max boost clock | 5.4 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 | 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-1626 Edge 12-Core AM4 Desktop Processor | 49,590 | $649 | Compare |
| Nexora CX-3174 Ultra 12-Core AM5 Desktop Processor | 47,023 | $489 | Compare |
| Nexora CX-8637 Prime 8-Core AM5 Desktop Processor | 35,993 | $299 | Compare |
| Altrix CX-3888 XT 20-Core LGA1700 Desktop Processor | 33,879 | $299 | Compare |
| Nexora CX-9592 Max 16-Core AM4 Desktop Processor | 54,140 | $629 | Compare |
| Altrix CX-7116 Prime 8-Core AM5 Desktop Processor | 29,964 | $229 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-8491 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/21240371 (accessed 2026-10-24).