(by|in) contrast

used to introduce a comparison between two or more things, highlighting differences or disparities between them

The company's profits increased last year; by contrast, their competitors saw a decline in revenue.
The hotel room was spacious and luxurious; the motel room, by contrast, was small and cramped.
The product's quality has improved significantly over the years; by contrast, its price has remained relatively stable.
The restaurant's lunch menu offers a variety of options; by contrast, the dinner menu is more limited.