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The smart fridges of CES

Samsung Family Hub Refrigerator

Gigantic touchscreen

More modest on the left

Open wide

Built-in cameras

Grocery monitoring

Whirlpool Smart French Door Refrigerator

Roomy interior

Infinity Shelves

LG Signature Refrigerator

Knock knock

Door-in-door

Auto open doors

Slim ice maker

A new crop of smart fridges made their debut here at this week's Consumer Electronics Show in Las Vegas. Click through to see how they stack up against each other.

Caption by / Photo by Sarah Tew/CNET

First up: the Samsung Family Hub Refrigerator. In a week filled with gadgets and gizmos, it's arguably been one of the most high-profile pieces of tech that we've seen.

Caption by / Photo by James Martin/CNET

A lot of the interest in the Samsung Family Hub stems from the enormous, 21.5-inch touchscreen (about 55cm) on the right refrigerator door. On it, you'll find a variety of apps for things like streaming music, managing your family's calendars and ordering groceries for delivery.

Caption by / Photo by James Martin/CNET

The left door is a bit less interesting -- it just holds the ice maker.

Caption by / Photo by James Martin/CNET

Inside, you'll find a total of 28 cubic feet of storage space between the freezer and the fridge. If you need more fridge space, you can switch the right half of the freezer into fridge mode.

Caption by / Photo by James Martin/CNET

Check out the inner frame of the Samsung Family Hub Refrigerator's door.

Caption by / Photo by James Martin/CNET

Yep, those are cameras, and they snap a picture of your food every time the door closes. If you're at the grocery store and you can't remember whether you need more milk, you can pull out your phone and check.

Caption by / Photo by James Martin/CNET

Next up, the Whirlpool Smart French Door Refrigerator. No giant touchscreen here, but it does boast Wi-Fi connectivity that allows it to send you alerts when the power goes out or when the filter needs to be replaced. You can also sync it up with the Nest Learning Thermostat.

Caption by / Photo by Sarah Tew/CNET

The fridge boasts a total of 32 cubic feet of storage space.

Caption by / Photo by Sarah Tew/CNET

The gliding "Infinity Shelves" slide out of the way to make room for taller items placed below.

Caption by / Photo by Sarah Tew/CNET

Finally, there's the LG Signature Refrigerator. Like the Samsung Family Hub fridge, it's a four-door model with some clever tricks.

Caption by / Photo by Ry Crist/CNET

The main attraction is, again, on that upper right door. Instead of a touchscreen, LG went with a special panel that goes transparent when you knock on it. That'll let you see your groceries without needing to open the door.

Caption by / Photo by Ry Crist/CNET

This is also a Door-in-Door model -- you can open that front panel without opening the entire door, letting you access the in-door shelves.

Caption by / Photo by Ry Crist/CNET

The fridge also includes special sensors that can detect when you're walking up to it with arms full of groceries. When they see you coming, the door will open automatically.

Caption by / Photo by Ry Crist/CNET

The ice maker is the same slim design that we've seen in other LG models. It leaves more room for tall items in the in-door shelves than other ice makers that bulge outward.

See all CNET's coverage from CES 2016 here.

Caption by / Photo by Ry Crist/CNET
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