Nexora CX-3991 Prime 20-Core LGA1700 Desktop Processor
Processors · Nexora · SKU CX3991-PRIME · Released 2022 · Updated 2026-10-19
Key facts
| Benchmark index | 42,914 (Processors scale) |
|---|---|
| Category rank | #12,119 |
| Street price | $489 |
| Power | 125 W (TDP) |
| Performance per dollar | 87.76 |
| Released | 2022 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-3991 Prime |
| Socket | LGA1700 |
| Cores / threads | 20 cores (8P + 12E) / 28 threads |
| Base clock | 3.7 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 | None (F model) |
| Unlocked multiplier | Yes |
| Cooler included | No |
Related guides
Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket
Similar Processors
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| Altrix CX-8672 Prime 6-Core AM5 Desktop Processor | 32,619 | $259 | Compare |
| Altrix CX-4486 Ultra 20-Core LGA1851 Desktop Processor | 42,783 | $549 | Compare |
| Altrix CX-2950 XT 16-Core AM4 Desktop Processor | 54,593 | $769 | Compare |
| Altrix CX-9942 Core 8-Core AM4 Desktop Processor | 14,909 | $69 | Compare |
| Veltrix CX-4648 SE 16-Core AM4 Desktop Processor | 57,153 | $899 | Compare |
| Nexora CX-9923 Plus 8-Core AM4 Desktop Processor | 47,744 | $609 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-3991 Prime 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/6426046 (accessed 2026-10-19).