Altrix CX-2451 Prime 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX2451-PRIME · Released 2024 · Updated 2026-10-19
Key facts
| Benchmark index | 24,873 (Processors scale) |
|---|---|
| Category rank | #19,826 |
| Street price | $179 |
| Power | 125 W (TDP) |
| Performance per dollar | 138.96 |
| Released | 2024 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-2451 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.6 GHz |
| Max boost clock | 4.9 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 |
|---|---|---|---|
| Veltrix CX-3914 Ultra 8-Core AM4 Desktop Processor | 28,024 | $199 | Compare |
| Veltrix CX-9147 Pro 10-Core LGA1851 Desktop Processor | 21,040 | $139 | Compare |
| Veltrix CX-2591 Pro 8-Core AM5 Desktop Processor | 20,821 | $119 | Compare |
| Veltrix CX-1856 Max 20-Core LGA1851 Desktop Processor | 37,980 | $409 | Compare |
| Altrix CX-2633 Ultra 16-Core AM5 Desktop Processor | 51,711 | $679 | Compare |
| Nexora CX-3555 SE 16-Core AM5 Desktop Processor | 50,218 | $619 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-2451 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/68302807 (accessed 2026-10-19).