Hardware Spec Index

Altrix CX-3977 Prime 16-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3977-PRIME · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index44,061 (Processors scale)
Category rank#46,187
Street price$479
Power170 W (TDP)
Performance per dollar91.99
Released2023

Specifications

BrandAltrix
ModelAltrix CX-3977 Prime
SocketAM5
Cores / threads16 cores / 32 threads
Base clock4.1 GHz
Max boost clock5.4 GHz
L3 cache128 MB (3D stacked)
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-3977 Prime 16-Core AM5 Desktop Processor”, https://vextor7.com/item/2676932 (accessed 2026-10-23).