Hardware Spec Index

Veltrix CX-3666 Pro 20-Core LGA1851 Desktop Processor

Processors · Veltrix · SKU CX3666-PRO · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index43,573 (Processors scale)
Category rank#48,719
Street price$389
Power125 W (TDP)
Performance per dollar112.01
Released2024

Specifications

BrandVeltrix
ModelVeltrix CX-3666 Pro
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock3.4 GHz
Max boost clock5.3 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

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Cite this page: Hardware Spec Index, “Veltrix CX-3666 Pro 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/3294173 (accessed 2026-10-23).