Hardware Spec Index

Altrix CX-3991 Ultra 12-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3991-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index34,723 (Processors scale)
Category rank#16,779
Street price$309
Power170 W (TDP)
Performance per dollar112.37
Released2023

Specifications

BrandAltrix
ModelAltrix CX-3991 Ultra
SocketAM5
Cores / threads12 cores / 24 threads
Base clock4.4 GHz
Max boost clock5.2 GHz
L3 cache64 MB
Power170 W TDP (PPT 230 W)
Memory supportDDR5-5200, dual channel (EXPO)
CPU PCIe lanes28× PCIe 5.0 (24 usable)
Integrated graphicsIntegrated graphics (2 CU)
Unlocked multiplierYes
Cooler includedNo

Related guides

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Cite this page: Hardware Spec Index, “Altrix CX-3991 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/4916786 (accessed 2026-10-23).