Altrix CX-7858 Ultra 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX7858-ULTRA · Released 2026 · Updated 2026-10-22
Key facts
| Benchmark index | 24,777 (Processors scale) |
|---|---|
| Category rank | #1,535 |
| Street price | $169 |
| Power | 125 W (TDP) |
| Performance per dollar | 146.61 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-7858 Ultra |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.6 GHz |
| Max boost clock | 4.9 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 | Integrated graphics (4 cores) |
| 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 |
|---|---|---|---|
| Veltrix CX-4636 Ultra 8-Core AM5 Desktop Processor | 24,989 | $139 | Compare |
| Nexora CX-1474 Core 14-Core LGA1851 Desktop Processor | 41,275 | $539 | Compare |
| Nexora CX-4148 Pro 14-Core LGA1700 Desktop Processor | 33,643 | $279 | Compare |
| Veltrix CX-3375 Pro 8-Core AM5 Desktop Processor | 20,275 | $109 | Compare |
| Altrix CX-7076 Pro 12-Core AM5 Desktop Processor | 35,491 | $259 | Compare |
| Veltrix CX-7600 Plus 6-Core AM4 Desktop Processor | 23,787 | $149 | Compare |
Cite this page: Hardware Spec Index, “Altrix CX-7858 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/9448191 (accessed 2026-10-22).