Altrix CX-3940 Ultra 12-Core AM4 Desktop Processor
Processors · Altrix · SKU CX3940-ULTRA · Released 2021 · Updated 2026-10-20
Key facts
| Benchmark index | 55,746 (Processors scale) |
|---|---|
| Category rank | #11,807 |
| Street price | $729 |
| Power | 105 W (TDP) |
| Performance per dollar | 76.47 |
| Released | 2021 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-3940 Ultra |
| Socket | AM4 |
| Cores / threads | 12 cores / 24 threads |
| Base clock | 4.2 GHz |
| Max boost clock | 4.8 GHz |
| L3 cache | 128 MB (3D stacked) |
| Power | 105 W TDP (PPT 142 W) |
| Memory support | DDR4-3200, dual channel |
| CPU PCIe lanes | 24× PCIe 4.0 (20 usable) |
| Integrated graphics | None (discrete GPU required) |
| Unlocked multiplier | Yes |
| Cooler included | No |
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Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Nexora CX-2345 Plus 8-Core AM4 Desktop Processor | 27,470 | $169 | Compare |
| Veltrix CX-9215 Core 6-Core AM4 Desktop Processor | 19,114 | $99 | Compare |
| Nexora CX-4760 Core 20-Core LGA1700 Desktop Processor | 52,877 | $689 | Compare |
| Nexora CX-8330 Ti 14-Core LGA1700 Desktop Processor | 13,482 | $79 | Compare |
| Altrix CX-6465 SE 12-Core AM4 Desktop Processor | 42,807 | $479 | Compare |
| Nexora CX-1048 Pro 8-Core AM4 Desktop Processor | 30,627 | $209 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-3940 Ultra 12-Core AM4 Desktop Processor”, https://vextor7.com/item/885235 (accessed 2026-10-20).