Hardware Spec Index

Altrix CX-5391 Ultra 10-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX5391-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index30,733 (Processors scale)
Category rank#35,018
Street price$279
Power125 W (TDP)
Performance per dollar110.15
Released2025

Specifications

BrandAltrix
ModelAltrix CX-5391 Ultra
SocketLGA1851
Cores / threads10 cores (6P + 4E) / 10 threads
Base clock3.4 GHz
Max boost clock5.1 GHz
L3 cache24 MB
Power125 W base / 250 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 multiplierNo
NPU13 TOPS
Cooler includedNo

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-5391 Ultra 10-Core LGA1851 Desktop Processor”, https://vextor7.com/item/21471991 (accessed 2026-10-24).