Well, there really is no "better" between the two tanks, they are different, and it comes down to personal preference.
The F16 is a carto-tank. It uses a regular cartomizer with holes in it. Whatever carto you use will dictate the performance.
The Kanger is a clearomizer-style tank. It uses a coil wrapped around a wick, and the wick hangs down inside the tank into the juice, wicking the juice to the coil. These style tanks are more likely to give burnt/dry hits due to a million little factors. That doesn't mean it WILL give you burnt hits, the design just makes the possibility greater than with a carto-tank. You will have to tilt your tank up and down every now and then to re-wet the wicks.
There is also some talk that clearo-style tanks with long wicks can cause flavor loss. Reason being that the flavorings used injuice will wick at different rates. The longer the wick, the more pronounced this effect. It will happen with some juices, and not with others, depends totally on the juice and there really isn't any easy way to know like there is with knowing which juices crack tanks.
The Kanger will be more "durable" in the sense that it won't fall apart in your pocket or anything. Most carto-tanks depend upon friction of the o-rings to grab onto the carto, and keep the tank in place. It's possible, if you are carrying it in your pocket or something, that the tank can fall off the carto, spilling juice everywhere. To remedy this, there is a locking tank called the Artemas:
Chrome Artemas Slim Locking 510 DCT, Clear
There is a ring that locks the carto into the tank, and the endcaps of the tank are fixed, not removeable. This type of tank will NOT slip off and spill juice.
Also, if you are using this on an eGo, the F16 might be a bit too big and look goofy. The kanger is a smaller diameter and will "fit" your eGo better. The Artemas tank I linked to is also slim and will "fit" your eGo great.
As you can see each style has its strengths and weaknesses. Get both styles and see which one you prefer, or consider the factors I've mentioned and chose what sounds the best to you!