Hardware Spec Index

Altrix CX-3878 Prime 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3878-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index49,330 (Processors scale)
Category rank#14,966
Street price$639
Power105 W (TDP)
Performance per dollar77.20
Released2026

Specifications

BrandAltrix
ModelAltrix CX-3878 Prime
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock5.5 GHz
L3 cache32 MB
Power105 W TDP (PPT 142 W)
Memory supportDDR5-5600, 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
Veltrix CX-1875 XT 8-Core AM4 Desktop Processor38,133$359Compare
Nexora CX-7652 Ultra 16-Core AM4 Desktop Processor58,367$869Compare
Nexora CX-7184 Edge 24-Core LGA1700 Desktop Processor40,686$419Compare
Altrix CX-6158 Ultra 8-Core AM4 Desktop Processor38,233$339Compare
Veltrix CX-3021 Prime 20-Core LGA1700 Desktop Processor29,069$229Compare
Altrix CX-6309 Ti 20-Core LGA1851 Desktop Processor45,357$539Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3878 Prime 8-Core AM5 Desktop Processor”, https://vextor7.com/item/17550782 (accessed 2026-10-19).