What is the Difference Between iCloud Photo Library and My Photo Stream?

There are several differences between iCloud Photo Library and Mu Photo Stream.

iCloud Photo Library:

• It stores all your photos and videos and has no limits, if you have the iCloud storage space to support it.
• It uses your iCloud storage space.
• It upload and sync photos and videos.
• It stores full-resolution photos on your devices and server. It supports .jpg, .RAW, .PNG, .GIF, .TIFF photo file formats.
• It is accessible on iPhone, iPad, Mac and online via iCloud.com
• You can not sync photos and albums from your Mac or Windows PC via iTunes. If you enable the service, then any existing albums will be removed.

• It stores the last 30 days of photos or your most recent 1000 photos.
• It does not use your iCloud Storage space.
• It does not upload and sync videos.
• It stores web-optimized versions of your photos i.e lowest quality.
• It is compatible across all devices such as iPhone, iPad, Mac and Windows PC.
• When you enable Photo Stream, you can sync photos and albums from your mac or Windows PC via iTunes.

Quick Tip to Backup your Digital Photos
If you have treasured photographs, or you take photos of everything you like, you won't want to lose them. So, what is the best way to backup photos on an ongoing basis? In the back of your mind, you know you need to backup all of your photos. But where do you start? Here's how to backup your digital life: PicBackMan is the easiest and simplest way to keep your videos safely backed up in one or more online accounts. Simply download PicBackMan (it's free!), register your account, connect to your online store and tell PicBackMan where your videos are - PicBackMan does the rest, automatically. It bulk uploads all videos and keeps looking for new ones and uploads those too. You don't have to ever touch it.