Strange noise appears when i import textures in UE4, which does not look the same as the original texture.
You might want to turn off SRGB, and if you really dont want compression, try setting it to vector displacement/UI or something similar in the compression settings.
Turning off SRGB didn’t have any effect (and should ideally not be turned off for Albedo) but making the texture compression setting as UI did the trick. Thanks.