Nexora CX-8420 Prime 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX8420-PRIME · Released 2025 · Updated 2026-10-21
Key facts
| Benchmark index | 50,758 (Processors scale) |
|---|---|
| Category rank | #27,366 |
| Street price | $769 |
| Power | 125 W (TDP) |
| Performance per dollar | 66.01 |
| Released | 2025 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-8420 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.8 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 | 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
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| Altrix CX-7127 Pro 8-Core AM4 Desktop Processor | 41,685 | $429 | Compare |
| Altrix CX-4513 Plus 20-Core LGA1851 Desktop Processor | 55,996 | $799 | Compare |
| Nexora CX-2441 Plus 6-Core AM4 Desktop Processor | 28,273 | $169 | Compare |
| Altrix CX-7034 XT 16-Core AM5 Desktop Processor | 59,273 | $899 | Compare |
| Veltrix CX-4868 Prime 14-Core LGA1851 Desktop Processor | 43,357 | $479 | Compare |
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Cite this page: Hardware Spec Index, “Nexora CX-8420 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/83350998 (accessed 2026-10-21).