If you textures are 500x500 and not 512x512, they might not mip or reduce resolution correctly. You can also try setting the texture resolution scalability setting to low just to see if lowering texture detail improves things enough.
If you textures are 500x500 and not 512x512, they might not mip or reduce resolution correctly. You can also try setting the texture resolution scalability setting to low just to see if lowering texture detail improves things enough.