Use
We can show a stronger comparison by using much.
Computers are much cheaper than in the past.
Our new office is much more modern than our old one.
When describing superlatives, we have to use the or a personal pronouns in front of the superlative adjective.
That was the best dinner I've ever had. We don't want to lose our biggest client.
We can also use one of + superlative + plural noun to show that there are more than one of superlative items.
This is one of our newest products.
Shanghai is one of the most exciting cities in China.