Nexora CX-4399 Ultra 20-Core LGA1851 Desktop Processor
Processors · Nexora · SKU CX4399-ULTRA · Released 2024 · Updated 2026-10-19
Key facts
| Benchmark index | 31,473 (Processors scale) |
|---|---|
| Category rank | #37,941 |
| Street price | $309 |
| Power | 125 W (TDP) |
| Performance per dollar | 101.85 |
| Released | 2024 |
Specifications
| Brand | Nexora |
|---|---|
| Model | Nexora CX-4399 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 | 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
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| Nexora CX-9121 Edge 6-Core AM4 Desktop Processor | 12,782 | $69 | Compare |
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| Altrix CX-7133 SE 24-Core LGA1700 Desktop Processor | 40,883 | $489 | Compare |
| Altrix CX-7363 Max 20-Core LGA1851 Desktop Processor | 40,734 | $349 | Compare |
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Cite this page: Hardware Spec Index, “Nexora CX-4399 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/17533887 (accessed 2026-10-19).