Hardware Spec Index

Altrix CX-3856 Ultra 16-Core AM4 Desktop Processor

Processors · Altrix · SKU CX3856-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index54,433 (Processors scale)
Category rank#24,835
Street price$609
Power105 W (TDP)
Performance per dollar89.38
Released2021

Specifications

BrandAltrix
ModelAltrix CX-3856 Ultra
SocketAM4
Cores / threads16 cores / 32 threads
Base clock4.6 GHz
Max boost clock4.8 GHz
L3 cache64 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsIntegrated graphics (8 CU)
Unlocked multiplierYes
Cooler includedNo

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Cite this page: Hardware Spec Index, “Altrix CX-3856 Ultra 16-Core AM4 Desktop Processor”, https://vextor7.com/item/12964295 (accessed 2026-10-22).