Hardware Spec Index

Altrix CX-3921 Prime 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3921-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index27,630 (Processors scale)
Category rank#33,283
Street price$179
Power105 W (TDP)
Performance per dollar154.36
Released2024

Specifications

BrandAltrix
ModelAltrix CX-3921 Prime
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock5.0 GHz
L3 cache32 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR5-5600, 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-3921 Prime 8-Core AM5 Desktop Processor”, https://vextor7.com/item/73030563 (accessed 2026-10-26).