Nexora CX-5645 Ultra 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX5645-ULTRA · Released 2024 · Updated 2026-10-18
Key facts
| Benchmark index | 59,600 (Processors scale) |
|---|---|
| Category rank | #33,637 |
| Street price | $899 |
| Power | 125 W (TDP) |
| Performance per dollar | 66.30 |
| Released | 2024 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-5645 Ultra |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.8 GHz |
| Max boost clock | 5.7 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 |
|---|---|---|---|
| Nexora CX-4279 XT 8-Core AM4 Desktop Processor | 34,735 | $279 | Compare |
| Veltrix CX-8955 SE 8-Core AM4 Desktop Processor | 47,642 | $589 | Compare |
| Nexora CX-6565 Edge 16-Core AM4 Desktop Processor | 56,482 | $739 | Compare |
| Nexora CX-8811 SE 8-Core AM4 Desktop Processor | 15,644 | $79 | Compare |
| Veltrix CX-1588 Ultra 6-Core AM4 Desktop Processor | 14,121 | $79 | Compare |
| Veltrix CX-8732 Pro 12-Core AM5 Desktop Processor | 35,801 | $339 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-5645 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/20002027 (accessed 2026-10-18).