Which is better and why???
There is no better yoyo.
Its down to preference.
Here are the specs for each. As you can see, the only difference is the weight and that one is translucent.
Protostar
Diameter: 55.94 mm / 2.20 inches
Width: 43.15 mm / 1.69 inches
Gap Width: 4.43 mm / .17 inches
Response System: Standard Sized K-Pad
Weight: 67.0 grams
Bearing Size: Center Trac Bearing by CBC
Northstar
Diameter: 55.94 mm / 2.20 inches
Width: 43.15 mm / 1.69 inches
Gap Width: 4.43 mm / .17 inches
Response System: Standard Sized K-Pad
Weight: 69.5 grams
Bearing Size: Center Trac Bearing by CBC
Thanks
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really theres no difference of the two but i somehow prefer both. Jenssen Kimmit performed world champion 1st place with northstar and the protostar is just natrually really good stable, string trick yoyo. They both are really goood high end plastics performing like a metal yoyo so choose it to prefer yourself.
Protostar, because I like the colors it comes in.
Iām sure they both play fine.