Hardware Spec Index

Altrix CX-3981 XT 10-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX3981-XT · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index23,118 (Processors scale)
Category rank#31,385
Street price$139
Power65 W (TDP)
Performance per dollar166.32
Released2026

Specifications

BrandAltrix
ModelAltrix CX-3981 XT
SocketLGA1851
Cores / threads10 cores (6P + 4E) / 10 threads
Base clock2.5 GHz
Max boost clock4.9 GHz
L3 cache24 MB
Power65 W base / 159 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 includedYes (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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Cite this page: Hardware Spec Index, “Altrix CX-3981 XT 10-Core LGA1851 Desktop Processor”, https://vextor7.com/item/9105750 (accessed 2026-10-20).