Hardware Spec Index

Nexora CX-8421 Ultra 16-Core AM4 Desktop Processor

Processors · Nexora · SKU CX8421-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index45,398 (Processors scale)
Category rank#19,504
Street price$489
Power105 W (TDP)
Performance per dollar92.84
Released2022

Specifications

BrandNexora
ModelNexora CX-8421 Ultra
SocketAM4
Cores / threads16 cores / 32 threads
Base clock4.3 GHz
Max boost clock4.7 GHz
L3 cache64 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsNone (discrete GPU required)
Unlocked multiplierYes
Cooler includedNo

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Cite this page: Hardware Spec Index, “Nexora CX-8421 Ultra 16-Core AM4 Desktop Processor”, https://vextor7.com/item/4629259 (accessed 2026-10-21).