Hardware Spec Index

Altrix CX-4261 Ultra 14-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX4261-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index17,988 (Processors scale)
Category rank#5,432
Street price$89
Power65 W (TDP)
Performance per dollar202.11
Released2025

Specifications

BrandAltrix
ModelAltrix CX-4261 Ultra
SocketLGA1851
Cores / threads14 cores (6P + 8E) / 14 threads
Base clock2.5 GHz
Max boost clock4.7 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 graphicsIntegrated graphics (4 cores)
Unlocked multiplierNo
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-4261 Ultra 14-Core LGA1851 Desktop Processor”, https://vextor7.com/item/248579 (accessed 2026-10-20).