Understand the distinction
Lighting information can describe light output as well as electrical power. The quantities answer different questions. A product comparison should also consider the intended fitting and user requirements, rather than treating one power figure as a complete description of useful light.
Put it in your home notes
Consult the product’s current documentation and preserve the stated units. Note compatibility and any restrictions without attempting wiring changes. For installation questions, use the appropriately qualified service; this article explains a comparison habit rather than an electrical procedure.