Altrix CX-4257 SE 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX4257-SE · Released 2026 · Updated 2026-10-20
Key facts
| Benchmark index | 54,486 (Processors scale) |
|---|---|
| Category rank | #38,863 |
| Street price | $749 |
| Power | 125 W (TDP) |
| Performance per dollar | 72.74 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-4257 SE |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.7 GHz |
| Max boost clock | 5.6 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 | 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-2751 Max 10-Core LGA1851 Desktop Processor | 19,067 | $89 | Compare |
| Veltrix CX-2161 Max 6-Core AM4 Desktop Processor | 21,703 | $149 | Compare |
| Nexora CX-9162 Pro 14-Core LGA1851 Desktop Processor | 18,607 | $89 | Compare |
| Nexora CX-4306 Prime 16-Core AM5 Desktop Processor | 54,305 | $699 | Compare |
| Nexora CX-5982 SE 16-Core AM4 Desktop Processor | 53,877 | $769 | Compare |
| Altrix CX-2768 SE 8-Core AM4 Desktop Processor | 30,743 | $239 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-4257 SE 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/35459242 (accessed 2026-10-20).