RFID vs Barcodes: RFID is not necessarily better than barcodes. The two are different technologies and have different applications, which sometimes overlap. In many circumstances, RFID offers advantages over traditional barcodes. The big difference between the two is that barcodes are line-of-sight technology. That is, a scanner has to “see” the barcode to read it, which means people usually have to orient the barcode toward a scanner for it to be read.

One advantage of RFID is that the technology doesn’t require line of sight. RFID tags can be read as long as they are within range of a reader. Barcodes have other shortcomings as well. If a label is ripped or soiled or has fallen off, there is no way to scan the item, and standard barcodes identify only the manufacturer and product, not the unique item. For example, the barcode on one milk carton is the same as every other, making it impossible to identify which one might pass its expiration date first.

See the table below for a direct comparison of the two technologies

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