Hardware Spec Index

Altrix CX-5421 Ultra 12-Core AM5 Desktop Processor

Processors · Altrix · SKU CX5421-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index56,504 (Processors scale)
Category rank#20,109
Street price$829
Power170 W (TDP)
Performance per dollar68.16
Released2025

Specifications

BrandAltrix
ModelAltrix CX-5421 Ultra
SocketAM5
Cores / threads12 cores / 24 threads
Base clock4.2 GHz
Max boost clock5.6 GHz
L3 cache64 MB
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
NPU16 TOPS
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-5421 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/3390914 (accessed 2026-10-22).