Hardware Spec Index

Altrix CX-8855 Ultra 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8855-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index43,171 (Processors scale)
Category rank#5,265
Street price$509
Power65 W (TDP)
Performance per dollar84.82
Released2024

Specifications

BrandAltrix
ModelAltrix CX-8855 Ultra
SocketAM5
Cores / threads8 cores / 16 threads
Base clock4.2 GHz
Max boost clock5.4 GHz
L3 cache32 MB
Power65 W TDP (PPT 88 W)
Memory supportDDR5-5600, dual channel (EXPO)
CPU PCIe lanes28× PCIe 5.0 (24 usable)
Integrated graphicsIntegrated graphics (2 CU)
Unlocked multiplierYes
Cooler includedYes (stock air cooler)

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-8855 Ultra 8-Core AM5 Desktop Processor”, https://vextor7.com/item/56525844 (accessed 2026-10-25).