Altrix CX-8640 Ultra 20-Core LGA1700 Desktop Processor
Processors · Altrix · SKU CX8640-ULTRA · Released 2023 · Updated 2026-10-21
Key facts
| Benchmark index | 34,601 (Processors scale) |
|---|---|
| Category rank | #42,467 |
| Street price | $349 |
| Power | 125 W (TDP) |
| Performance per dollar | 99.14 |
| Released | 2023 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8640 Ultra |
| Socket | LGA1700 |
| Cores / threads | 20 cores (8P + 12E) / 28 threads |
| Base clock | 2.4 GHz |
| Max boost clock | 5.2 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 | 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
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Nexora CX-4758 Pro 12-Core AM5 Desktop Processor | 38,896 | $389 | Compare |
| Altrix CX-1968 Ultra 8-Core AM4 Desktop Processor | 33,089 | $289 | Compare |
| Veltrix CX-9270 Edge 20-Core LGA1851 Desktop Processor | 46,554 | $569 | Compare |
| Altrix CX-7625 Ultra 8-Core AM5 Desktop Processor | 32,178 | $259 | Compare |
| Nexora CX-4466 XT 20-Core LGA1700 Desktop Processor | 59,600 | $899 | Compare |
| Veltrix CX-2259 Pro 8-Core AM4 Desktop Processor | 46,511 | $629 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-8640 Ultra 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/872664 (accessed 2026-10-21).