Hardware Spec Index

Altrix CX-8421 Ultra 6-Core AM4 Desktop Processor

Processors · Altrix · SKU CX8421-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index29,868 (Processors scale)
Category rank#43,889
Street price$209
Power105 W (TDP)
Performance per dollar142.91
Released2021

Specifications

BrandAltrix
ModelAltrix CX-8421 Ultra
SocketAM4
Cores / threads6 cores / 12 threads
Base clock3.4 GHz
Max boost clock4.5 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-8421 Ultra 6-Core AM4 Desktop Processor”, https://vextor7.com/item/28023104 (accessed 2026-10-23).