Nexora CX-5421 Ultra 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX5421-ULTRA · Released 2026 · Updated 2026-10-19
Key facts
| Benchmark index | 54,100 (Processors scale) |
|---|---|
| Category rank | #36,941 |
| Street price | $759 |
| Power | 125 W (TDP) |
| Performance per dollar | 71.28 |
| Released | 2026 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-5421 Ultra |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.1 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 | 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-3366 Edge 8-Core AM5 Desktop Processor | 23,986 | $139 | Compare |
| Altrix CX-3844 Prime 8-Core AM5 Desktop Processor | 47,955 | $479 | Compare |
| Nexora CX-3394 Plus 16-Core AM5 Desktop Processor | 48,784 | $619 | Compare |
| Nexora CX-6529 Ti 12-Core AM4 Desktop Processor | 39,059 | $339 | Compare |
| Veltrix CX-8685 Edge 8-Core AM4 Desktop Processor | 39,003 | $459 | Compare |
| Nexora CX-1702 XT 24-Core LGA1700 Desktop Processor | 58,251 | $899 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-5421 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/1467973 (accessed 2026-10-19).