Which is harder to get into among ETH Zurich and National University of Singapore?

As per the acceptance rate, ETH Zurich is more competitive to get into as its acceptance rate is 27% and Nanyang's acceptance rate is around 47%. NTU is somewhat selective but ETH Zurich is more selective. 

Both Nanyang & ETH Zurich are part of the top ranked institutions of their respective countries.

While Nanyang is ranked #2 among all institutions in Singapore, ETH is ranked #1 among all instiututions in Switzerland as part of the latest Shiksha Popularity Rankings.

Though as far as the cost of studies are concerned, ETH Zurich is considerably cheaper for MS studies with a tuition fee of around INR 2.9 L, while a MS programme from Nanyang costs around INR 22.68 L-INR 39.83 L.

The University of Zurich Excellence Scholarship & Opportunity Programme lasts for the standard duration of the chosen Master's program. This scholarship covers the full study and living costs during the Master's degree course. To receive the scholarship, the applicants must have a very good result in Bachelor's degree program. For this scholarship, the applicants must apply within the first application window.

ETH Zurich states mission to educate engineer and scientist. The University focuses primilary on science, technology, engineering and mathematics .

Areas of specialisation are communication, Computers and Networks, Electronics and photonics, Energy and Power Electronics etc.