Hardware Spec Index

Altrix CX-8991 Prime 8-Core AM5 Desktop Processor

Processors · Altrix · SKU CX8991-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index22,862 (Processors scale)
Category rank#14,052
Street price$129
Power65 W (TDP)
Performance per dollar177.22
Released2026

Specifications

BrandAltrix
ModelAltrix CX-8991 Prime
SocketAM5
Cores / threads8 cores / 16 threads
Base clock3.8 GHz
Max boost clock4.9 GHz
L3 cache96 MB (3D stacked)
Power65 W TDP (PPT 88 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 includedYes (stock air cooler)

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-8991 Prime 8-Core AM5 Desktop Processor”, https://vextor7.com/item/16597635 (accessed 2026-10-21).