Hardware Spec Index

Nexora CX-8643 Plus 8-Core AM4 Desktop Processor

Processors · Nexora · SKU CX8643-PLUS · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index46,545 (Processors scale)
Category rank#41,187
Street price$599
Power105 W (TDP)
Performance per dollar77.70
Released2021

Specifications

BrandNexora
ModelNexora CX-8643 Plus
SocketAM4
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock4.7 GHz
L3 cache32 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsIntegrated graphics (8 CU)
Unlocked multiplierYes
Cooler includedNo

Related guides

CPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedAMD AM5 SocketIntel LGA1851 SocketIntel LGA1700 SocketNPUs and AI PCs

Similar Processors

ModelBenchmarkPriceCompare
Veltrix CX-2966 Max 24-Core LGA1700 Desktop Processor57,126$709Compare
Nexora CX-6186 Ultra 8-Core AM4 Desktop Processor16,737$89Compare
Veltrix CX-7077 SE 8-Core AM5 Desktop Processor25,351$159Compare
Veltrix CX-8040 Edge 6-Core AM4 Desktop Processor17,712$89Compare
Veltrix CX-6391 Core 20-Core LGA1851 Desktop Processor57,706$739Compare
Veltrix CX-6952 Max 20-Core LGA1851 Desktop Processor58,814$749Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Nexora CX-8643 Plus 8-Core AM4 Desktop Processor”, https://vextor7.com/item/41009927 (accessed 2026-10-19).