What is the difference between Samsung PL100 and PL150?

PL100: 12 megapixels, 3 times the light change, dual-screen, front screen 1.5, rear screen 2.7-inch LCD, 23 megapixels, intelligent scene, perfect portrait

PL150: 12 megapixels, 5 times the light change, 27 wide-angle, front screen 1.5, rear screen 3.0-inch LCD, 23 megapixels, high-definition video camera, intelligent scene

Want to buy a dual-screen If you want to buy a dual-screen Samsung ST100 and ST600 are good, the two parameters are the same, only the lens is not the same, a telescopic, a periscope

ST100 and ST600: 14.2 megapixels, 5x optical Schneider, front screen 1.8 inches, 3.5-inch touch screen, 1.152 megapixels, high-definition video camera, face recognition priority, dual image stabilization

But the two are new. These two are new models, the price is higher, more water