make a understandable sentence ...
gpu power
galaxy s3>iphone 4s>galaxy s2
cpu power
galaxy s3>galaxy s2>iphone 4s
price (cheapest)
galaxy s2>galaxy s3>iphone 4s
most features
galaxy s3>galaxy s2>iphone 4s
most durable
galaxy s2>galaxy s3>iphone 4s
example
x>y
means x is better than y
x=y
means x equals y
x<y
means y is better than x