Shopping for an Amazon Echo on Prime Big Deal Days? We've reviewed the current lineup, so before you spring for an Echo Show smart display or Echo smart speaker, check out the key differences between each device.

The Amazon October Prime Day event is getting closer! Save big today when you order one of these four Amazon Echo devices.

While the 2nd gen Echo Show 5 and Echo Show 8 are no longer available, the newest Echo Show 5 retails for $89.99 and the current Echo Show 8 goes for $149.99. For Prime Day, the prices have dropped to $49.99 and $84.99 respectively.