Hardware Spec Index

Nexora CX-3643 Ultra 8-Core AM5 Desktop Processor

Processors · Nexora · SKU CX3643-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index39,242 (Processors scale)
Category rank#12,094
Street price$379
Power65 W (TDP)
Performance per dollar103.54
Released2023

Specifications

BrandNexora
ModelNexora CX-3643 Ultra
SocketAM5
Cores / threads8 cores / 16 threads
Base clock4.1 GHz
Max boost clock5.3 GHz
L3 cache32 MB
Power65 W TDP (PPT 88 W)
Memory supportDDR5-5200, 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-3643 Ultra 8-Core AM5 Desktop Processor”, https://vextor7.com/item/8632199 (accessed 2026-10-21).