Nexora CX-7643 Ultra 14-Core LGA1700 Desktop Processor
Processors · Nexora · SKU CX7643-ULTRA · Released 2023 · Updated 2026-10-19
Key facts
| Benchmark index | 23,583 (Processors scale) |
|---|---|
| Category rank | #12,007 |
| Street price | $149 |
| Power | 65 W (TDP) |
| Performance per dollar | 158.28 |
| Released | 2023 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-7643 Ultra |
| Socket | LGA1700 |
| Cores / threads | 14 cores (6P + 8E) / 20 threads |
| Base clock | 3.4 GHz |
| Max boost clock | 4.8 GHz |
| L3 cache | 25 MB |
| Power | 65 W base / 181 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 | No |
| Cooler included | Yes (stock air cooler) |
Related guides
Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket
Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Veltrix CX-4028 XT 16-Core AM4 Desktop Processor | 59,557 | $879 | Compare |
| Nexora CX-8067 Pro 8-Core AM5 Desktop Processor | 24,718 | $129 | Compare |
| Nexora CX-8486 Edge 12-Core AM4 Desktop Processor | 33,146 | $279 | Compare |
| Altrix CX-5231 Edge 6-Core AM4 Desktop Processor | 27,387 | $199 | Compare |
| Nexora CX-9964 Pro 14-Core LGA1700 Desktop Processor | 44,996 | $559 | Compare |
| Veltrix CX-7216 Max 8-Core AM5 Desktop Processor | 38,832 | $429 | Compare |
Cite this page: Hardware Spec Index, “Nexora CX-7643 Ultra 14-Core LGA1700 Desktop Processor”, https://vextor7.com/item/8070141 (accessed 2026-10-19).