Hardware Spec Index

Altrix CX-8666 Prime 16-Core AM4 Desktop Processor

Processors · Altrix · SKU CX8666-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index57,643 (Processors scale)
Category rank#28,765
Street price$789
Power105 W (TDP)
Performance per dollar73.06
Released2020

Specifications

BrandAltrix
ModelAltrix CX-8666 Prime
SocketAM4
Cores / threads16 cores / 32 threads
Base clock4.4 GHz
Max boost clock4.8 GHz
L3 cache128 MB (3D stacked)
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-7628 Edge 8-Core AM4 Desktop Processor47,953$579Compare
Nexora CX-4914 SE 10-Core LGA1700 Desktop Processor20,786$109Compare
Nexora CX-1276 Ti 12-Core AM5 Desktop Processor32,312$239Compare
Altrix CX-4048 Ultra 8-Core AM5 Desktop Processor19,718$99Compare
Nexora CX-4160 Max 16-Core AM4 Desktop Processor44,821$519Compare
Veltrix CX-6255 Max 10-Core LGA1851 Desktop Processor24,942$149Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-8666 Prime 16-Core AM4 Desktop Processor”, https://vextor7.com/item/6900523 (accessed 2026-10-19).