At $300 a built-in grinder is rare and a good one rarer still. At $1,000 it's close to the default — three of the four machines in this guide have one, and the fourth, the Magnifica Start, has a grinder as part of its entire one-touch premise. That's worth pausing on, because it changes the buying question at this tier from "grinder or no grinder" to "how much control do you want over that grinder."
The Barista Express and its Black Truffle twin give you the most control: a conical burr grinder with dose timing you adjust, dispensing straight into the 54 mm portafilter you hold underneath it, followed by a razor tool that levels the bed to a fixed height. That's the semi-automatic route — you grind, you trim, you tamp, you pull. Espresso is brewed at roughly 9 bar and is unforgiving about particle size, so this level of control is what actually moves cup quality, not the pump's peak-pressure rating. Our portafilter and basket sizes guide covers what that 54 mm number means for accessories down the line.
The Magnifica Start's grinder sits behind the machine's automation: 13 settings, feeding directly into one of three one-touch recipes, with no portafilter to remove and no dose to trim by hand. You still get fresh-ground coffee — which is the entire point of a burr grinder, since pre-ground coffee is milled to one fixed size that's too coarse for espresso and stales within days — you just don't get to see or adjust the process the way you do on the Breville machines.
The Ninja Luxe Café Premier's grinder is the least visible of the three, because it's one input among several — it feeds the espresso side of a machine that also does drip coffee and cold brew. If espresso is the only thing you'll ever make, that's a grinder doing less specialized work than the Barista Express's. If your house actually drinks all three styles, it's the reason to buy one machine instead of three.
What none of these four machines require is a separate standalone grinder purchase — which is itself a value point worth stating plainly. At $300 and below, buying a machine plus a competent burr grinder often adds up to more than what a single $650–700 integrated machine costs here.