Hardware Spec Index

Altrix CX-8640 Ultra 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8640-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index39,488 (Processors scale)
Category rank#18,327
Street price$389
Power105 W (TDP)
Performance per dollar101.51
Released2026

Specifications

BrandAltrix
ModelAltrix CX-8640 Ultra
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock5.3 GHz
L3 cache96 MB (3D stacked)
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
NPU16 TOPS
Cooler includedNo

Related guides

AMD AM5 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedAMD AM5 Chipsets Compared

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Cite this page: Hardware Spec Index, “Altrix CX-8640 Ultra 8-Core AM5 Desktop Processor”, https://vextor7.com/item/19954426 (accessed 2026-10-25).