Hardware Spec Index

Nexora CX-8391 Ultra 8-Core AM5 Desktop Processor

Processors · Nexora · SKU CX8391-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index34,590 (Processors scale)
Category rank#38,808
Street price$319
Power65 W (TDP)
Performance per dollar108.43
Released2025

Specifications

BrandNexora
ModelNexora CX-8391 Ultra
SocketAM5
Cores / threads8 cores / 16 threads
Base clock4.3 GHz
Max boost clock5.2 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, “Nexora CX-8391 Ultra 8-Core AM5 Desktop Processor”, https://vextor7.com/item/74898140 (accessed 2026-10-22).