Altrix CX-3878 Ultra 14-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX3878-ULTRA · Released 2026 · Updated 2026-10-22
Key facts
| Benchmark index | 15,897 (Processors scale) |
|---|---|
| Category rank | #23,145 |
| Street price | $79 |
| Power | 65 W (TDP) |
| Performance per dollar | 201.23 |
| Released | 2026 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-3878 Ultra |
| Socket | LGA1851 |
| Cores / threads | 14 cores (6P + 8E) / 14 threads |
| Base clock | 3.5 GHz |
| Max boost clock | 4.7 GHz |
| L3 cache | 24 MB |
| Power | 65 W base / 159 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 | Yes |
| NPU | 13 TOPS |
| Cooler included | Yes (stock air cooler) |
Related guides
Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets
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| Nexora CX-9430 Edge 12-Core AM4 Desktop Processor | 48,750 | $659 | Compare |
| Veltrix CX-2695 Ultra 8-Core AM4 Desktop Processor | 36,507 | $299 | Compare |
| Altrix CX-4282 Plus 16-Core AM4 Desktop Processor | 41,733 | $409 | Compare |
| Nexora CX-8303 XT 14-Core LGA1700 Desktop Processor | 37,685 | $369 | Compare |
| Altrix CX-4508 Edge 8-Core AM4 Desktop Processor | 39,583 | $439 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-3878 Ultra 14-Core LGA1851 Desktop Processor”, https://vextor7.com/item/3868081 (accessed 2026-10-22).