Hardware Spec Index

Altrix CX-3946 SE 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX3946-SE · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index34,550 (Processors scale)
Category rank#17,222
Street price$279
Power125 W (TDP)
Performance per dollar123.84
Released2026

Specifications

BrandAltrix
ModelAltrix CX-3946 SE
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.5 GHz
Max boost clock5.1 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
Veltrix CX-3915 XT 14-Core LGA1700 Desktop Processor43,646$469Compare
Veltrix CX-7827 Edge 8-Core AM5 Desktop Processor17,680$89Compare
Veltrix CX-1382 Plus 14-Core LGA1851 Desktop Processor12,976$69Compare
Nexora CX-3520 SE 14-Core LGA1851 Desktop Processor22,755$139Compare
Veltrix CX-1137 XT 16-Core AM4 Desktop Processor58,618$869Compare
Nexora CX-6437 XT 12-Core AM5 Desktop Processor45,540$569Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3946 SE 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/3798524 (accessed 2026-10-21).