Hardware Spec Index

Altrix CX-3988 Ultra 12-Core AM4 Desktop Processor

Processors · Altrix · SKU CX3988-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index57,058 (Processors scale)
Category rank#12,355
Street price$799
Power105 W (TDP)
Performance per dollar71.41
Released2021

Specifications

BrandAltrix
ModelAltrix CX-3988 Ultra
SocketAM4
Cores / threads12 cores / 24 threads
Base clock3.8 GHz
Max boost clock4.9 GHz
L3 cache64 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-3988 Ultra 12-Core AM4 Desktop Processor”, https://vextor7.com/item/81674776 (accessed 2026-10-19).