Hardware Spec Index

Altrix CX-3866 Prime 8-Core AM4 Desktop Processor

Processors · Altrix · SKU CX3866-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index44,996 (Processors scale)
Category rank#1,986
Street price$629
Power105 W (TDP)
Performance per dollar71.54
Released2019

Specifications

BrandAltrix
ModelAltrix CX-3866 Prime
SocketAM4
Cores / threads8 cores / 16 threads
Base clock4.1 GHz
Max boost clock4.7 GHz
L3 cache32 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsNone (discrete GPU required)
Unlocked multiplierYes
Cooler includedNo

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Cite this page: Hardware Spec Index, “Altrix CX-3866 Prime 8-Core AM4 Desktop Processor”, https://vextor7.com/item/93672854 (accessed 2026-10-22).