Altrix CX-3991 Prime 14-Core LGA1700 Desktop Processor
Processors · Altrix · SKU CX3991-PRIME · Released 2022 · Updated 2026-10-26
Key facts
| Benchmark index | 38,434 (Processors scale) |
|---|---|
| Category rank | #38,424 |
| Street price | $369 |
| Power | 125 W (TDP) |
| Performance per dollar | 104.16 |
| Released | 2022 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-3991 Prime |
| Socket | LGA1700 |
| Cores / threads | 14 cores (6P + 8E) / 20 threads |
| Base clock | 3.7 GHz |
| Max boost clock | 5.2 GHz |
| L3 cache | 25 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 | None (F model) |
| 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
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Cite this page: Hardware Spec Index, “Altrix CX-3991 Prime 14-Core LGA1700 Desktop Processor”, https://vextor7.com/item/4314534 (accessed 2026-10-26).