If you're already an Amazon Prime subscriber, you'll need to shell out an extra $5 to watch content in 4K.

X is now allowing select creators to upload videos in 4K resolution as it seeks to boost engagement and keep users from going to YouTube or Vimeo to watch videos. The feature will be available to all ...

We may receive a commission on purchases made from links. If you're an Amazon Prime Video subscriber, you have access to an abundance of shows and movies bundled together with other Amazon Prime perks ...