Hardware Spec Index

Altrix CX-3998 Core 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX3998-CORE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index56,041 (Processors scale)
Category rank#30
Street price$849
Power125 W (TDP)
Performance per dollar66.01
Released2025

Specifications

BrandAltrix
ModelAltrix CX-3998 Core
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.3 GHz
Max boost clock5.6 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 multiplierYes
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
Veltrix CX-2106 SE 8-Core AM5 Desktop Processor32,729$269Compare
Altrix CX-3458 Pro 24-Core LGA1700 Desktop Processor53,295$789Compare
Nexora CX-6459 Edge 20-Core LGA1700 Desktop Processor36,291$329Compare
Veltrix CX-6881 Pro 8-Core AM4 Desktop Processor21,608$139Compare
Altrix CX-5487 Core 12-Core AM4 Desktop Processor55,419$689Compare
Nexora CX-5019 Plus 6-Core AM5 Desktop Processor12,966$69Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3998 Core 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/31661321 (accessed 2026-10-24).