Hardware Spec Index

Altrix CX-4251 Ultra 14-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX4251-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index19,925 (Processors scale)
Category rank#49,445
Street price$99
Power65 W (TDP)
Performance per dollar201.26
Released2026

Specifications

BrandAltrix
ModelAltrix CX-4251 Ultra
SocketLGA1851
Cores / threads14 cores (6P + 8E) / 14 threads
Base clock2.9 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 graphicsIntegrated graphics (4 cores)
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

Similar Processors

ModelBenchmarkPriceCompare
Nexora CX-6588 Plus 12-Core AM4 Desktop Processor34,912$289Compare
Altrix CX-8000 Ultra 24-Core LGA1700 Desktop Processor46,622$529Compare
Altrix CX-4331 Prime 10-Core LGA1700 Desktop Processor32,999$299Compare
Nexora CX-4245 Pro 16-Core AM5 Desktop Processor53,497$679Compare
Altrix CX-1193 Pro 10-Core LGA1700 Desktop Processor32,594$219Compare
Veltrix CX-2675 Prime 12-Core AM4 Desktop Processor59,460$899Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-4251 Ultra 14-Core LGA1851 Desktop Processor”, https://vextor7.com/item/95291464 (accessed 2026-10-25).