Altrix CX-8403 Ultra 12-Core AM5 Desktop Processor
Processors · Altrix · SKU CX8403-ULTRA · Released 2025 · Updated 2026-10-24
Key facts
| Benchmark index | 43,553 (Processors scale) |
|---|---|
| Category rank | #26,961 |
| Street price | $429 |
| Power | 120 W (TDP) |
| Performance per dollar | 101.52 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-8403 Ultra |
| Socket | AM5 |
| Cores / threads | 12 cores / 24 threads |
| Base clock | 3.6 GHz |
| Max boost clock | 5.3 GHz |
| L3 cache | 64 MB |
| Power | 120 W TDP (PPT 162 W) |
| Memory support | DDR5-5600, dual channel (EXPO) |
| CPU PCIe lanes | 28× PCIe 5.0 (24 usable) |
| Integrated graphics | Integrated graphics (2 CU) |
| Unlocked multiplier | Yes |
| Cooler included | No |
Related guides
AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared
Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Nexora CX-8605 XT 14-Core LGA1700 Desktop Processor | 31,125 | $279 | Compare |
| Veltrix CX-9779 Ti 16-Core AM5 Desktop Processor | 57,641 | $899 | Compare |
| Veltrix CX-1523 XT 12-Core AM4 Desktop Processor | 43,640 | $559 | Compare |
| Nexora CX-8271 Core 20-Core LGA1700 Desktop Processor | 55,170 | $779 | Compare |
| Altrix CX-1419 Ti 6-Core AM5 Desktop Processor | 21,322 | $119 | Compare |
| Altrix CX-5036 XT 24-Core LGA1851 Desktop Processor | 48,414 | $599 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-8403 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/6018670 (accessed 2026-10-24).