Hardware Spec Index

Altrix CX-8666 XT 8-Core AM4 Desktop Processor

Processors · Altrix · SKU CX8666-XT · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index41,788 (Processors scale)
Category rank#29,695
Street price$459
Power105 W (TDP)
Performance per dollar91.04
Released2021

Specifications

BrandAltrix
ModelAltrix CX-8666 XT
SocketAM4
Cores / threads8 cores / 16 threads
Base clock4.1 GHz
Max boost clock4.7 GHz
L3 cache96 MB (3D stacked)
Power105 W TDP (PPT 142 W)
Memory supportDDR4-3200, dual channel
CPU PCIe lanes24× PCIe 4.0 (20 usable)
Integrated graphicsNone (discrete GPU required)
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
Nexora CX-8041 Max 8-Core AM5 Desktop Processor17,374$79Compare
Altrix CX-3748 Max 24-Core LGA1700 Desktop Processor50,118$589Compare
Altrix CX-4260 Pro 20-Core LGA1851 Desktop Processor31,771$269Compare
Altrix CX-4253 Max 12-Core AM4 Desktop Processor53,822$739Compare
Nexora CX-9673 Edge 10-Core LGA1700 Desktop Processor12,615$69Compare
Nexora CX-4005 XT 8-Core AM5 Desktop Processor17,595$99Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-8666 XT 8-Core AM4 Desktop Processor”, https://vextor7.com/item/13281186 (accessed 2026-10-24).