Nexora CX-5646 Prime 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX5646-PRIME · Released 2026 · Updated 2026-10-20
Key facts
| Benchmark index | 52,008 (Processors scale) |
|---|---|
| Category rank | #33,502 |
| Street price | $689 |
| Power | 125 W (TDP) |
| Performance per dollar | 75.48 |
| Released | 2026 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-5646 Prime |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.4 GHz |
| Max boost clock | 5.5 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 |
|---|---|---|---|
| Veltrix CX-7577 XT 14-Core LGA1851 Desktop Processor | 25,861 | $209 | Compare |
| Veltrix CX-6658 Ti 14-Core LGA1851 Desktop Processor | 24,755 | $159 | Compare |
| Altrix CX-5051 XT 12-Core AM5 Desktop Processor | 37,488 | $339 | Compare |
| Veltrix CX-6886 XT 6-Core AM4 Desktop Processor | 12,914 | $79 | Compare |
| Altrix CX-9920 Ti 8-Core AM5 Desktop Processor | 21,017 | $119 | Compare |
| Nexora CX-1641 Prime 8-Core AM4 Desktop Processor | 27,243 | $219 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-5646 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/8423744 (accessed 2026-10-20).