Not sure which two models you are looking at so I chose an example of each:
The Scaner Coduri De Bare Zebra MC3200 (
MC3200 MOBILE COMPUTER)
"Redefine productivity and reliability with the MC3200 mobile computer, the next generation in the class-leading MC3000 Series, now with more options to meet your needs. Choose the right operating system for your business – Android™ Jelly Bean or Microsoft™ Embedded Compact 7. Your choice of our most advanced 1D laser or 1D/2D imager scan engine allows your workers to easily capture barcodes in any condition."
Source:
https://www.zebra.com/us/en/products/mobile-computers/handheld/mc3200.html
The Scaner Coduri Bare Zebra LS1203 (
LS1203 GENERAL PURPOSE BARCODE SCANNER)
"This bi-directional LS1203 handheld scanner handles all 1D barcodes and is ideal for small retailers. It delivers the functionality, features and reliability needed to improve operational efficiencies from the check-out line to the storeroom.
It minimizes manual keying, ensures accuracy in all customer transactions, and it automates paper-based inventory processes. The device easily integrates multiple interfaces to help ensure connectivity to a host and PC system."
Source:
https://www.zebra.com/us/en/products/scanners/general-purpose-scanners/handheld/ls1203.html
Without knowing a specific model it is only possible to give basic differences between the two.
What has the department used in the past?