Altrix CX-8646 SE 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX8646-SE · Released 2026 · Updated 2026-10-24
Key facts
| Benchmark index | 50,547 (Processors scale) |
|---|---|
| Category rank | #12,704 |
| Street price | $619 |
| Power | 125 W (TDP) |
| Performance per dollar | 81.66 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8646 SE |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.6 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 | 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
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| Nexora CX-3266 Pro 8-Core AM5 Desktop Processor | 27,214 | $189 | Compare |
| Altrix CX-8075 SE 6-Core AM5 Desktop Processor | 17,881 | $89 | Compare |
| Altrix CX-7655 XT 12-Core AM4 Desktop Processor | 47,096 | $569 | Compare |
| Nexora CX-1726 Pro 6-Core AM4 Desktop Processor | 15,933 | $79 | Compare |
| Altrix CX-4261 Prime 10-Core LGA1851 Desktop Processor | 12,656 | $79 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-8646 SE 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/31922745 (accessed 2026-10-24).