Hardware Spec Index

Altrix CX-3999 XT 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX3999-XT · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index45,514 (Processors scale)
Category rank#9,103
Street price$509
Power120 W (TDP)
Performance per dollar89.42
Released2022

Specifications

BrandAltrix
ModelAltrix CX-3999 XT
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.9 GHz
Max boost clock5.4 GHz
L3 cache96 MB (3D stacked)
Power120 W TDP (PPT 162 W)
Memory supportDDR5-5200, 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

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Cite this page: Hardware Spec Index, “Altrix CX-3999 XT 8-Core AM5 Desktop Processor”, https://vextor7.com/item/108907 (accessed 2026-10-21).