The practical difference shows up at the end of the day. A cash register owner has a total and a drawer count. A POS system owner has a report showing which items sold, what time of day sales peaked, and how inventory levels changed, all without a manual count. For a business selling more than a handful of product types, that reporting difference alone often justifies the switch.
Almost every point of sale setup ends with a receipt printer, yet most buyers know less about this piece of hardware than any other at the counter. Thermal receipt printers do not use ink or toner. They apply heat to specially coated paper, which is why the print fades over time in direct sunlight and why the paper itself, not a cartridge, is the ongoing cost to budget for.
Processor generation matters more than most retailers realize when they are comparing specs on a spec sheet. An Intel i5 chip handles multiple open applications and inventory lookups at once without lag, while older or lower tier processors can visibly hesitate the moment a store gets busy. Touchscreen response time matters just as much. A terminal that registers taps instantly lets a cashier move through a sale without double tapping or waiting for the screen to catch up.
Paper width is not just a size preference. An 80mm printer suits a typical retail counter with itemized receipts, while narrower rolls fit tighter spaces or simpler transaction types. Connection type also affects setup, since printers connect through USB, Ethernet, or a shared cable with the cash drawer, and the wrong choice here can mean an extra cable run or an incompatible port.
Print speed and durability matter differently here than on a receipt printer. A label printer used for daily pricing runs needs to keep pace with batch printing, often dozens or hundreds of labels at once ahead of a restock or price change, rather than the one receipt at a time pattern a checkout counter produces. A printer sized for occasional use will slow down noticeably under that kind of batch load.
Matching terminal tier to transaction volume is the real decision retailers should be making. A single register convenience store does not need the same hardware as a busy multi lane grocery counter, and buying more power than the business uses just adds cost without adding speed where it counts. For a closer look at how terminal tiers break down by processor and use case, see Volcora IoT.