Altrix CX-1540 Ultra 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX1540-ULTRA · Released 2025 · Updated 2026-10-26
Key facts
| Benchmark index | 33,205 (Processors scale) |
|---|---|
| Category rank | #15,103 |
| Street price | $239 |
| Power | 125 W (TDP) |
| Performance per dollar | 138.93 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-1540 Ultra |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 3.0 GHz |
| Max boost clock | 5.1 GHz |
| L3 cache | 30 MB |
| Power | 125 W base / 250 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 | No |
Related guides
Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets
Similar Processors
| Model | Benchmark | Price | Compare |
|---|---|---|---|
| Altrix CX-5043 XT 8-Core AM5 Desktop Processor | 31,897 | $239 | Compare |
| Nexora CX-2444 Ti 8-Core AM5 Desktop Processor | 33,142 | $249 | Compare |
| Altrix CX-1574 XT 8-Core AM4 Desktop Processor | 46,425 | $629 | Compare |
| Altrix CX-1976 Plus 12-Core AM5 Desktop Processor | 35,923 | $339 | Compare |
| Nexora CX-8539 SE 16-Core AM5 Desktop Processor | 51,475 | $639 | Compare |
| Nexora CX-4186 Pro 20-Core LGA1851 Desktop Processor | 55,517 | $829 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-1540 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/1273407 (accessed 2026-10-26).