Hardware Spec Index

Altrix CX-1789 Ultra 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX1789-ULTRA · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index39,872 (Processors scale)
Category rank#48,553
Street price$379
Power125 W (TDP)
Performance per dollar105.20
Released2025

Specifications

BrandAltrix
ModelAltrix CX-1789 Ultra
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.7 GHz
Max boost clock5.2 GHz
L3 cache30 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 graphicsIntegrated graphics (4 cores)
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

Similar Processors

ModelBenchmarkPriceCompare
Altrix CX-2948 Prime 20-Core LGA1851 Desktop Processor54,630$899Compare
Veltrix CX-1055 SE 6-Core AM4 Desktop Processor18,054$109Compare
Altrix CX-3319 Plus 24-Core LGA1851 Desktop Processor40,059$379Compare
Altrix CX-2650 Plus 24-Core LGA1700 Desktop Processor45,863$599Compare
Veltrix CX-6804 Prime 24-Core LGA1851 Desktop Processor46,506$659Compare
Veltrix CX-2767 Ti 14-Core LGA1700 Desktop Processor46,102$519Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-1789 Ultra 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/97717393 (accessed 2026-10-27).