If they are the same, you have to change the pw in Settings - iTunes & App Store - Apple ID, as well as in Settings - iCloud - iCloud account.
If you didn't use iCloud for your photos before, Photo Stream will be empty. Same will be for Camera Roll, without an iCloud backup. Photo Stream doesn't always show the same pictures. It depends on what you had on your Camera Roll or in your other Photo albums on each device, and what you deleted from Photo Stream on each device, and that may differ.
A question, because I notice that I didn't ask it before: did you set up your new device using a backup from iTunes (computer), or iCloud (without computer), or did you set it up as new, without backup?
If you didn't use iCloud for your photos before, Photo Stream will be empty. Same will be for Camera Roll, without an iCloud backup. Photo Stream doesn't always show the same pictures. It depends on what you had on your Camera Roll or in your other Photo albums on each device, and what you deleted from Photo Stream on each device, and that may differ.
A question, because I notice that I didn't ask it before: did you set up your new device using a backup from iTunes (computer), or iCloud (without computer), or did you set it up as new, without backup?
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