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-# Rxjs vs promises
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+# RxJS vs Promises
+
+In a nutshell, the main differences between the Promise and the Observable are as follows:
+
+- The Promise is eager, whereas the Observable is lazy,
+- The Promise is always asynchronous, while the Observable can be either asynchronous or synchronous,
+- The Promise can provide a single value, whereas the Observable is a stream of values (from 0 to multiple values),
+you can apply RxJS operators to the Observable to get a new tailored stream.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='blue' badgeText='Official Website' href='https://javascript.plainenglish.io/why-rxjs-rxjs-vs-promises-b28962771d68'>Why RxJS? RxJS vs Promises</BadgeLink>