Hardware Spec Index

Nexora CX-8421 Ultra 12-Core AM4 Desktop Processor

Processors · Nexora · SKU CX8421-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index35,316 (Processors scale)
Category rank#9,543
Street price$299
Power105 W (TDP)
Performance per dollar118.11
Released2020

Specifications

BrandNexora
ModelNexora CX-8421 Ultra
SocketAM4
Cores / threads12 cores / 24 threads
Base clock3.5 GHz
Max boost clock4.6 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 12-Core AM4 Desktop Processor”, https://vextor7.com/item/50830447 (accessed 2026-10-20).