Hardware Spec Index

Altrix CX-5991 Plus 10-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX5991-PLUS · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index21,029 (Processors scale)
Category rank#3,963
Street price$129
Power65 W (TDP)
Performance per dollar163.02
Released2025

Specifications

BrandAltrix
ModelAltrix CX-5991 Plus
SocketLGA1851
Cores / threads10 cores (6P + 4E) / 10 threads
Base clock3.4 GHz
Max boost clock4.8 GHz
L3 cache24 MB
Power65 W base / 159 W max turbo
Memory supportDDR5-6400, dual channel (CUDIMM supported)
CPU PCIe lanes20× PCIe 5.0 + 4× PCIe 4.0
Integrated graphicsNone (F model)
Unlocked multiplierYes
NPU13 TOPS
Cooler includedYes (stock air cooler)

Related guides

Intel LGA1851 SocketCPU TDP, PPT and Turbo Power ExplainedPCIe Lanes ExplainedDDR5 Memory ExplainedPCIe 5.0 ExplainedIntel 800 Series Chipsets

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Cite this page: Hardware Spec Index, “Altrix CX-5991 Plus 10-Core LGA1851 Desktop Processor”, https://vextor7.com/item/47057 (accessed 2026-10-19).