Hardware Spec Index

Altrix CX-3978 Ultra 8-Core AM4 Desktop Processor

Processors · Altrix · SKU CX3978-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index40,667 (Processors scale)
Category rank#45,721
Street price$439
Power105 W (TDP)
Performance per dollar92.64
Released2020

Specifications

BrandAltrix
ModelAltrix CX-3978 Ultra
SocketAM4
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock4.6 GHz
L3 cache32 MB
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
Altrix CX-2012 Ultra 24-Core LGA1851 Desktop Processor51,149$719Compare
Veltrix CX-5521 Ultra 16-Core AM4 Desktop Processor59,600$879Compare
Nexora CX-8094 SE 12-Core AM4 Desktop Processor37,819$379Compare
Altrix CX-3487 SE 10-Core LGA1700 Desktop Processor26,216$199Compare
Nexora CX-3806 Prime 24-Core LGA1851 Desktop Processor55,737$719Compare
Altrix CX-7939 Edge 6-Core AM4 Desktop Processor19,707$109Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3978 Ultra 8-Core AM4 Desktop Processor”, https://vextor7.com/item/6479401 (accessed 2026-10-24).