Altrix CX-5661 Ultra 10-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX5661-ULTRA · Released 2025 · Updated 2026-10-20
Key facts
| Benchmark index | 14,686 (Processors scale) |
|---|---|
| Category rank | #48,651 |
| Street price | $79 |
| Power | 65 W (TDP) |
| Performance per dollar | 185.90 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-5661 Ultra |
| Socket | LGA1851 |
| Cores / threads | 10 cores (6P + 4E) / 10 threads |
| Base clock | 2.9 GHz |
| Max boost clock | 4.6 GHz |
| L3 cache | 24 MB |
| Power | 65 W base / 159 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 | No |
| NPU | 13 TOPS |
| Cooler included | Yes (stock air cooler) |
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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Cite this page: Hardware Spec Index, “Altrix CX-5661 Ultra 10-Core LGA1851 Desktop Processor”, https://vextor7.com/item/11114625 (accessed 2026-10-20).