Hardware Spec Index

Nexora CX-3991 Core 16-Core AM5 Desktop Processor

Processors · Nexora · SKU CX3991-CORE · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index43,460 (Processors scale)
Category rank#25,694
Street price$509
Power170 W (TDP)
Performance per dollar85.38
Released2023

Specifications

BrandNexora
ModelNexora CX-3991 Core
SocketAM5
Cores / threads16 cores / 32 threads
Base clock4.0 GHz
Max boost clock5.4 GHz
L3 cache128 MB (3D stacked)
Power170 W TDP (PPT 230 W)
Memory supportDDR5-5200, dual channel (EXPO)
CPU PCIe lanes28× PCIe 5.0 (24 usable)
Integrated graphicsIntegrated graphics (2 CU)
Unlocked multiplierYes
Cooler includedNo

Related guides

AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared

Similar Processors

ModelBenchmarkPriceCompare
Nexora CX-2309 Prime 10-Core LGA1700 Desktop Processor18,692$109Compare
Veltrix CX-5636 Core 24-Core LGA1700 Desktop Processor47,417$569Compare
Nexora CX-7175 Core 14-Core LGA1700 Desktop Processor33,951$249Compare
Altrix CX-1227 Plus 16-Core AM4 Desktop Processor52,141$669Compare
Altrix CX-1718 Ultra 20-Core LGA1851 Desktop Processor32,911$299Compare
Altrix CX-4256 Max 6-Core AM5 Desktop Processor19,428$109Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Nexora CX-3991 Core 16-Core AM5 Desktop Processor”, https://vextor7.com/item/11364282 (accessed 2026-10-26).