Hardware Spec Index

Nexora CX-8643 SE 8-Core AM5 Desktop Processor

Processors · Nexora · SKU CX8643-SE · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index38,836 (Processors scale)
Category rank#30,266
Street price$339
Power65 W (TDP)
Performance per dollar114.56
Released2024

Specifications

BrandNexora
ModelNexora CX-8643 SE
SocketAM5
Cores / threads8 cores / 16 threads
Base clock4.6 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-8643 SE 8-Core AM5 Desktop Processor”, https://vextor7.com/item/3905703 (accessed 2026-10-21).