Hardware Spec Index

Altrix CX-6421 SE 20-Core LGA1851 Desktop Processor

Processors · Altrix · SKU CX6421-SE · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index49,028 (Processors scale)
Category rank#15,186
Street price$539
Power125 W (TDP)
Performance per dollar90.96
Released2024

Specifications

BrandAltrix
ModelAltrix CX-6421 SE
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.5 GHz
Max boost clock5.4 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

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Cite this page: Hardware Spec Index, “Altrix CX-6421 SE 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/2914694 (accessed 2026-10-21).