Hardware Spec Index

Altrix CX-9855 Ultra 16-Core AM5 Desktop Processor

Processors · Altrix · SKU CX9855-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index49,346 (Processors scale)
Category rank#42,506
Street price$719
Power170 W (TDP)
Performance per dollar68.63
Released2023

Specifications

BrandAltrix
ModelAltrix CX-9855 Ultra
SocketAM5
Cores / threads16 cores / 32 threads
Base clock3.5 GHz
Max boost clock5.5 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-9855 Ultra 16-Core AM5 Desktop Processor”, https://vextor7.com/item/76350450 (accessed 2026-10-19).