Hardware Spec Index

Altrix CX-8643 Ultra 8-Core AM4 Desktop Processor

Processors · Altrix · SKU CX8643-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index13,279 (Processors scale)
Category rank#16,802
Street price$69
Power65 W (TDP)
Performance per dollar192.45
Released2020

Specifications

BrandAltrix
ModelAltrix CX-8643 Ultra
SocketAM4
Cores / threads8 cores / 16 threads
Base clock3.6 GHz
Max boost clock4.2 GHz
L3 cache32 MB
Power65 W TDP (PPT 88 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsNone (discrete GPU required)
Unlocked multiplierYes
Cooler includedYes (stock air cooler)

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Cite this page: Hardware Spec Index, “Altrix CX-8643 Ultra 8-Core AM4 Desktop Processor”, https://vextor7.com/item/4193036 (accessed 2026-10-23).