Hardware Spec Index

Altrix CX-3987 Ultra 16-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3987-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index59,600 (Processors scale)
Category rank#21,321
Street price$859
Power170 W (TDP)
Performance per dollar69.38
Released2025

Specifications

BrandAltrix
ModelAltrix CX-3987 Ultra
SocketAM5
Cores / threads16 cores / 32 threads
Base clock4.4 GHz
Max boost clock5.7 GHz
L3 cache128 MB (3D stacked)
Power170 W TDP (PPT 230 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-3987 Ultra 16-Core AM5 Desktop Processor”, https://vextor7.com/item/81317128 (accessed 2026-10-26).