Hardware Spec Index

Altrix CX-3921 SE 24-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX3921-SE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index48,137 (Processors scale)
Category rank#30,999
Street price$599
Power125 W (TDP)
Performance per dollar80.36
Released2025

Specifications

BrandAltrix
ModelAltrix CX-3921 SE
SocketLGA1851
Cores / threads24 cores (8P + 16E) / 24 threads
Base clock3.6 GHz
Max boost clock5.5 GHz
L3 cache36 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
Altrix CX-8757 Prime 20-Core LGA1851 Desktop Processor59,413$779Compare
Altrix CX-8977 Plus 6-Core AM5 Desktop Processor14,614$79Compare
Veltrix CX-6880 Pro 10-Core LGA1700 Desktop Processor22,434$139Compare
Nexora CX-9788 Max 6-Core AM5 Desktop Processor18,651$109Compare
Altrix CX-7916 Edge 10-Core LGA1700 Desktop Processor32,725$239Compare
Altrix CX-7657 Max 14-Core LGA1851 Desktop Processor35,706$349Compare

All Processors · JSON

Cite this page: Hardware Spec Index, “Altrix CX-3921 SE 24-Core LGA1851 Desktop Processor”, https://vextor7.com/item/6314775 (accessed 2026-10-20).