Hardware Spec Index

Veltrix CX-6391 Prime 20-Core LGA1851 Desktop Processor

Processors · Veltrix · SKU CX6391-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index45,644 (Processors scale)
Category rank#45,335
Street price$449
Power125 W (TDP)
Performance per dollar101.66
Released2024

Specifications

BrandVeltrix
ModelVeltrix CX-6391 Prime
SocketLGA1851
Cores / threads20 cores (8P + 12E) / 20 threads
Base clock2.7 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 graphicsNone (F model)
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-6391 Prime 20-Core LGA1851 Desktop Processor”, https://vextor7.com/item/423354 (accessed 2026-10-21).