Nexora CX-8405 Ultra 20-Core LGA1700 Desktop Processor
Processors · Nexora · SKU CX8405-ULTRA · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 42,712 (Processors scale) |
|---|---|
| Category rank | #42,584 |
| Street price | $509 |
| Power | 125 W (TDP) |
| Performance per dollar | 83.91 |
| Released | 2021 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-8405 Ultra |
| Socket | LGA1700 |
| Cores / threads | 20 cores (8P + 12E) / 28 threads |
| Base clock | 2.9 GHz |
| Max boost clock | 5.5 GHz |
| L3 cache | 36 MB |
| Power | 125 W base / 253 W max turbo |
| Memory support | DDR5-5600 or DDR4-3200, dual channel |
| CPU PCIe lanes | 16× PCIe 5.0 + 4× PCIe 4.0 |
| Integrated graphics | Integrated graphics (32 EU) |
| Unlocked multiplier | No |
| Cooler included | No |
Related guides
Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket
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| Veltrix CX-3397 Prime 8-Core AM4 Desktop Processor | 23,663 | $159 | Compare |
| Nexora CX-1257 Max 8-Core AM5 Desktop Processor | 38,471 | $359 | Compare |
| Nexora CX-9912 Ti 24-Core LGA1700 Desktop Processor | 52,221 | $719 | Compare |
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Cite this page: Hardware Spec Index, “Nexora CX-8405 Ultra 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/635944 (accessed 2026-10-21).