Hardware Spec Index

Altrix CX-8391 Ultra 6-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8391-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index27,969 (Processors scale)
Category rank#3,109
Street price$209
Power65 W (TDP)
Performance per dollar133.82
Released2023

Specifications

BrandAltrix
ModelAltrix CX-8391 Ultra
SocketAM5
Cores / threads6 cores / 12 threads
Base clock4.0 GHz
Max boost clock5.1 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

Similar Processors

ModelBenchmarkPriceCompare
Nexora CX-1733 XT 20-Core LGA1700 Desktop Processor29,321$199Compare
Altrix CX-5708 Plus 24-Core LGA1700 Desktop Processor59,600$889Compare
Veltrix CX-3657 Core 16-Core AM4 Desktop Processor55,205$689Compare
Nexora CX-8980 Core 24-Core LGA1700 Desktop Processor38,354$319Compare
Nexora CX-7034 XT 12-Core AM4 Desktop Processor53,787$719Compare
Altrix CX-5526 Plus 12-Core AM4 Desktop Processor45,869$449Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-8391 Ultra 6-Core AM5 Desktop Processor”, https://vextor7.com/item/7548847 (accessed 2026-10-20).