Hardware Spec Index

Altrix CX-3821 Prime 16-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3821-PRIME · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index41,544 (Processors scale)
Category rank#18,025
Street price$429
Power170 W (TDP)
Performance per dollar96.84
Released2022

Specifications

BrandAltrix
ModelAltrix CX-3821 Prime
SocketAM5
Cores / threads16 cores / 32 threads
Base clock4.3 GHz
Max boost clock5.3 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

AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared

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Cite this page: Hardware Spec Index, “Altrix CX-3821 Prime 16-Core AM5 Desktop Processor”, https://vextor7.com/item/79067386 (accessed 2026-10-26).