Altrix CX-3854 Core 20-Core LGA1851 Desktop Processor
Processors · Altrix · SKU CX3854-CORE · Released 2025 · Updated 2026-10-25
Key facts
| Benchmark index | 35,878 (Processors scale) |
|---|---|
| Category rank | #22,007 |
| Street price | $319 |
| Power | 125 W (TDP) |
| Performance per dollar | 112.47 |
| Released | 2025 |
Specifications
| Brand | Altrix |
|---|---|
| Model | Altrix CX-3854 Core |
| Socket | LGA1851 |
| Cores / threads | 20 cores (8P + 12E) / 20 threads |
| Base clock | 2.8 GHz |
| Max boost clock | 5.2 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 | Yes |
| 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
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| Altrix CX-8738 Plus 8-Core AM5 Desktop Processor | 35,233 | $289 | Compare |
| Altrix CX-3050 Ti 6-Core AM4 Desktop Processor | 13,682 | $79 | Compare |
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Cite this page: Hardware Spec Index, “Altrix CX-3854 Core 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/6884972 (accessed 2026-10-25).