I noticed with Fight Club. It was available for streaming on Hulu in 4k, and I had a blu-ray in 1080p. Comparing the two versions, the blu-ray looked a lot bet

I noticed with Fight Club. It was available for streaming on Hulu in 4k, and I had a blu-ray in 1080p. Comparing the two versions, the blu-ray looked a lot better. The resolution wasn't quite as high, but the colors were much more saturated. I guess it comes down to bandwidth considerations; a blu-ray has between 25-50gb to play with and there's basically no reason not to fill up the disk. With streaming, there's a direct advantage to reducing bandwidth costs.