Vray Node Material render differently VRay Standard one

Hello, when i create in a new scene, 2 new materials, first is VRay standard and the second is VRay Node material, i notice the default 80% white spheres don’t render the same, (VRay Node material is lighter). The difference is even more visible if fort both materials i set a 50% grey diffuse color.

Is it intented behavior??? And how to explain this?

Mixing the both material in the same scene leads to inconsistency colors.

Regards.

Hello f2b,

You need to set the correct Color Space in the Node Editor. You can refer to this forum thread where a similar topic is discussed.
You can also find this image helpful.