Hardware Spec Index

Nexora CX-3891 Pro 20-Core LGA1851 Desktop Processor

Processors · Nexora · SKU CX3891-PRO · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index56,803 (Processors scale)
Category rank#21,428
Street price$669
Power125 W (TDP)
Performance per dollar84.91
Released2025

Specifications

BrandNexora
ModelNexora CX-3891 Pro
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.5 GHz
Max boost clock5.6 GHz
L3 cache30 MB
Power125 W base / 250 W max turbo
Memory supportDDR5-6400, dual channel (CUDIMM supported)
CPU PCIe lanes20× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsIntegrated graphics (4 cores)
Unlocked multiplierYes
NPU13 TOPS
Cooler includedNo

Related guides

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Cite this page: Hardware Spec Index, “Nexora CX-3891 Pro 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/425587 (accessed 2026-10-18).