How does rtl-sdr compare to say esphome and those cheap 433mhz receivers/transmitters? I remember playing around with those a long time ago, with arduinos and w

How does rtl-sdr compare to say esphome and those cheap 433mhz receivers/transmitters? I remember playing around with those a long time ago, with arduinos and without esphome, with some outlets before wifi outlets became really common.