LTC mining is better than BTC mining? I've got a notebook with these specifics:


CPU: AMD Phenom X3 II N830 3.14GHz (3-Core)
GPU: ATI Radeon HD 5650 1GB 


Mining 1 LTC is faster than mining 1 BTC? How I estimate the times for BTC and LTC? 
Overall, I get more money with LTC mining or with BTC mining?
Nowadays, there are custom miners for Bitcoin. These use customised hardware (ASICs) and thus GPU mining is not profitable. However, this custom hardware does not exist for Litecoin and most other altcoins (based on scrypt). Thus, you might still be able to make money GPU mining Litecoin this way.

Unless you have customised hardware, forget about Bitcoin mining.

The other contributors are correct though - doing this on a laptop is probably not a good idea anyway, but you'll still make more doing Litecoin than Bitcoin.