Hardware Spec Index

Nexora CX-3855 Ultra 16-Core AM5 Desktop Processor

Processors · Nexora · SKU CX3855-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index42,430 (Processors scale)
Category rank#38,883
Street price$399
Power170 W (TDP)
Performance per dollar106.34
Released2023

Specifications

BrandNexora
ModelNexora CX-3855 Ultra
SocketAM5
Cores / threads16 cores / 32 threads
Base clock4.0 GHz
Max boost clock5.3 GHz
L3 cache64 MB
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, “Nexora CX-3855 Ultra 16-Core AM5 Desktop Processor”, https://vextor7.com/item/9510160 (accessed 2026-10-20).