Altrix CX-1686 SE 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX1686-SE · Released 2024 · Updated 2026-10-19
Key facts
| Benchmark index | 49,386 (Processors scale) |
|---|---|
| Category rank | #22,861 |
| Street price | $639 |
| Power | 125 W (TDP) |
| Performance per dollar | 77.29 |
| Released | 2024 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-1686 SE |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.1 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 | Yes |
| 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 |
|---|---|---|---|
| Altrix CX-3591 Max 8-Core AM4 Desktop Processor | 28,419 | $239 | Compare |
| Altrix CX-8641 Plus 10-Core LGA1851 Desktop Processor | 16,948 | $99 | Compare |
| Altrix CX-8881 Pro 16-Core AM4 Desktop Processor | 52,879 | $759 | Compare |
| Veltrix CX-2534 Ti 14-Core LGA1700 Desktop Processor | 33,728 | $329 | Compare |
| Altrix CX-2909 Edge 8-Core AM5 Desktop Processor | 35,687 | $309 | Compare |
| Veltrix CX-2104 Pro 16-Core AM5 Desktop Processor | 59,491 | $879 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-1686 SE 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/12371006 (accessed 2026-10-19).