Hardware Spec Index

Altrix CX-8420 Pro 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8420-PRO · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index36,131 (Processors scale)
Category rank#11,820
Street price$339
Power120 W (TDP)
Performance per dollar106.58
Released2022

Specifications

BrandAltrix
ModelAltrix CX-8420 Pro
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.5 GHz
Max boost clock5.2 GHz
L3 cache96 MB (3D stacked)
Power120 W TDP (PPT 162 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-8420 Pro 8-Core AM5 Desktop Processor”, https://vextor7.com/item/11613530 (accessed 2026-10-18).