Hardware Spec Index

Altrix CX-3688 Ultra 12-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3688-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index35,866 (Processors scale)
Category rank#49,038
Street price$319
Power170 W (TDP)
Performance per dollar112.43
Released2022

Specifications

BrandAltrix
ModelAltrix CX-3688 Ultra
SocketAM5
Cores / threads12 cores / 24 threads
Base clock4.5 GHz
Max boost clock5.2 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-3688 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/9848620 (accessed 2026-10-21).