Hardware Spec Index

Altrix CX-3981 Plus 20-Core LGA1700 Desktop Processor

Processors · Altrix · SKU CX3981-PLUS · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index56,775 (Processors scale)
Category rank#49,044
Street price$789
Power125 W (TDP)
Performance per dollar71.96
Released2022

Specifications

BrandAltrix
ModelAltrix CX-3981 Plus
SocketLGA1700
Cores / threads20 cores (8P + 12E) / 28 threads
Base clock3.3 GHz
Max boost clock5.9 GHz
L3 cache36 MB
Power125 W base / 253 W max turbo
Memory supportDDR5-5600 or DDR4-3200, dual channel
CPU PCIe lanes16× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsNone (F model)
Unlocked multiplierYes
Cooler includedNo

Related guides

Intel LGA1700 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Socket

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Cite this page: Hardware Spec Index, “Altrix CX-3981 Plus 20-Core LGA1700 Desktop Processor”, https://vextor7.com/item/6300317 (accessed 2026-10-22).