Altrix CX-2645 XT 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX2645-XT · Released 2025 · Updated 2026-10-24
Key facts
| Benchmark index | 40,475 (Processors scale) |
|---|---|
| Category rank | #42,113 |
| Street price | $439 |
| Power | 125 W (TDP) |
| Performance per dollar | 92.20 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-2645 XT |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.7 GHz |
| Max boost clock | 5.3 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 | Integrated graphics (4 cores) |
| 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 |
|---|---|---|---|
| Altrix CX-4901 Prime 14-Core LGA1851 Desktop Processor | 16,643 | $89 | Compare |
| Altrix CX-8006 SE 8-Core AM4 Desktop Processor | 52,651 | $669 | Compare |
| Altrix CX-8504 Ti 8-Core AM5 Desktop Processor | 30,520 | $229 | Compare |
| Veltrix CX-4844 Core 12-Core AM4 Desktop Processor | 58,864 | $779 | Compare |
| Altrix CX-6168 Edge 12-Core AM4 Desktop Processor | 56,240 | $839 | Compare |
| Veltrix CX-8116 Plus 24-Core LGA1700 Desktop Processor | 52,477 | $629 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-2645 XT 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/97522573 (accessed 2026-10-24).