Hardware Spec Index

Altrix CX-8458 Ultra 12-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8458-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index51,917 (Processors scale)
Category rank#17,689
Street price$669
Power120 W (TDP)
Performance per dollar77.60
Released2026

Specifications

BrandAltrix
ModelAltrix CX-8458 Ultra
SocketAM5
Cores / threads12 cores / 24 threads
Base clock3.6 GHz
Max boost clock5.5 GHz
L3 cache64 MB
Power120 W TDP (PPT 162 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-8458 Ultra 12-Core AM5 Desktop Processor”, https://vextor7.com/item/11054292 (accessed 2026-10-20).