To make a comparison, you can use the phrase "compare and contrast," or simply "compare." For example, you might say "I'm going to compare these two products to see which one is better," or "I'd pke to compare and contrast these two poems to see how they are similar and different." You can also use the phrase "compare with" to describe the process of examining the similarities and differences between two things. For example, you might say "I'm going to compare this book with that one to see which one I pke better."