Comparison

より

With the following pattern, it means that A is "more" Adj than B.

AはB +

より

+ Adj + です

[!info] Example 電車は車==より=={速|はや}いです。 Trains are faster than cars.

い-Adj

な-Adj + な

N + の

+ ほうが

With the following pattern, it means that B is more than A:

A +

より

+ B +

ほうが

より indicates the lesser thing, and {方|ほう}が the greater thing.

[!info] Example 昨日==より==今日の==ほうが==寒いです。 Today is colder than yesterday.

Means "should", or "it would be better", as an advice. It's better than not doing it. Used with a verb.

[!info] Example 毎日{練習|れんしゅう}する==ほうがいい==。 It's better to train everyday.