Altrix CX-3921 Prime 20-Core LGA1700 Desktop Processor
Processors · Altrix · SKU CX3921-PRIME · Released 2021 · Updated 2026-10-21
Key facts
| Benchmark index | 38,205 (Processors scale) |
|---|---|
| Category rank | #46,192 |
| Street price | $419 |
| Power | 125 W (TDP) |
| Performance per dollar | 91.18 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-3921 Prime |
| Socket | LGA1700 |
| Cores / threads | 20 cores (8P + 12E) / 28 threads |
| Base clock | 3.4 GHz |
| Max boost clock | 5.3 GHz |
| L3 cache | 36 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 | Integrated graphics (32 EU) |
| Unlocked multiplier | No |
| Cooler included | No |
Related guides
Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket
Similar Processors
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| Altrix CX-3438 Max 6-Core AM4 Desktop Processor | 14,994 | $79 | Compare |
| Altrix CX-3176 Edge 10-Core LGA1851 Desktop Processor | 34,049 | $309 | Compare |
| Veltrix CX-5277 Pro 6-Core AM4 Desktop Processor | 22,326 | $119 | Compare |
| Altrix CX-8265 Core 20-Core LGA1851 Desktop Processor | 38,957 | $429 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-3921 Prime 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/5017302 (accessed 2026-10-21).