KitchenAid vs Ninja Food Processor

Choose Ninja if you make dough, want the strongest published motor claim for the money, and a 9-cup bowl is enough. Choose KitchenAid if you want cuts the Ninja cannot make — diced cubes and slice thickness you can change without opening the bowl — and you are willing to wash more parts and accept a brand that publishes no motor figure at all. At the mini size the answer flips almost entirely on price, and we say below who should pay the difference.

The power comparison that cannot be run

Every food processor comparison on the internet starts with watts, so it is worth saying plainly what happens when you try it with these two brands. Ninja Professional Plus Food Processor (BN601) publishes 1,000 peak watts. KitchenAid publishes no wattage for the KitchenAid 13-Cup Food Processor (KFP1318), none for the KitchenAid 7-Cup Food Processor (KFP0718), and none for the KitchenAid 3.5-Cup Food Chopper (KFC3516) either. There is no KitchenAid number to put next to the Ninja number, and a peak figure would not be comparable to a continuous one even if there were.

That is not a claim that KitchenAid machines are weak. It is a statement about what each company is willing to put in writing, and since this site ranks on published specifications, it is the fact that shapes the whole page. Where a figure is not published we print “not published” rather than converting one from an amperage, a horsepower rating or a review site. The same gap turns up in Cuisinart against KitchenAid, where Cuisinart does publish a continuous wattage and KitchenAid still does not.

Ninja is the more transparent of the two here, with one caveat that matters. A peak watt figure describes the momentary maximum the motor can draw, not what it sustains through a bowl of dough; the continuous figure is lower and Ninja does not publish it. So the honest summary is: Ninja tells you something, KitchenAid tells you nothing, and what Ninja tells you is the flattering half of the story. That is the same point we make about the same machine in Ninja against Cuisinart, where a genuine like-for-like watt comparison is also impossible.

What is actually in the box

This is the real difference between the two brands, and it is a difference of intent. KitchenAid sells cuts. Ninja sells power and dough.

The KitchenAid 13-cup ships with a dicing kit, which makes it one of very few home processors that produces actual cubes rather than mince or slices; an external ExactSlice lever that changes slice thickness while the machine is running; a 3-in-1 feed tube sized for anything from a single carrot to a whole potato; and adjustable slicing and shredding discs. Nothing in the Ninja box does the dicing job, and no home processor does it by accident — without a kit like this, the alternative is a manual push-through dicer.

The Ninja ships a chopping blade, an adjustable slicing and shredding disc and, crucially, a dedicated dough blade— a blunt plastic paddle that folds a dough rather than cutting it, which is why it develops gluten instead of shredding it. Neither KitchenAid processor in our catalog includes one. If bread or pizza dough is a regular job, that single plastic part is worth more than any spec on the page; our food processor for dough guide explains why the blade shape matters more than the motor. Ninja also adds Auto-iQ preset programs, which are pulse patterns run by a timer — useful if you would rather press one button than learn a rhythm, irrelevant if you already pulse by eye.

The full-size comparison

Size is the thing people get wrong

Thirteen cups against nine sounds like a small gap and is not. Nine cups is a comfortable weeknight machine that fills fast when you are batch cooking; thirteen swallows a whole head of cabbage or a double batch of pastry without stopping to empty it. It is also taller assembled, more likely to live on the counter permanently, and more machine to wash when all you wanted was a handful of parsley chopped. Our food processor size guide works through the bowl-size question properly.

The brands differ in what they offer if the headline size is wrong for you. KitchenAid has a rung below: the KitchenAid 7-Cup Food Processor (KFP0718), a tidy 7-cup machine with a 2-in-1 feed tube and an adjustable slicing and shredding disc, built noticeably more solidly than budget machines twice its capacity. It is the right buy for two to four people who want a processor that stores in a cupboard. What it does not have is a dough blade or a dicing kit, which are the two reasons to buy either of the bigger machines in the first place — so it is a smaller processor, not a cheaper version of the 13-cup.

Ninja, in our catalog, goes from the 9-cup processor straight down to a 2-cup chopper. There is no middle rung. If nine cups is wrong for you in either direction, the choice is between another brand and a different category of tool entirely.

The mini question: chopper against chopper

A large share of people searching for these two brands are not shopping for a full-size processor at all — they want a small electric bowl that minces an onion. Both brands make one, and they are not close in price.

The Ninja Express Chop (NJ110GR) is a 16-ounce (2-cup) bowl with a 200-watt motor and stacked stainless blades, operated by pressing the lid. Bowl, blades and lid are all dishwasher safe. Note that its 200 watts is a plain figure rather than a peak one, which makes it the only number on this page that can be compared with anything. Its limits are real: two cups means batching for a big pot of soup, and there is no pour spout, so wet mixtures drip when you tip the bowl out.

The KitchenAid 3.5-Cup Food Chopper (KFC3516) is the better-built answer at nearly twice the volume: a 3.5-cup bowl, two speeds plus a pulse instead of one button, a locking lid and a drizzle basin in the lid that lets you stream oil in while the blade runs — the feature that makes emulsified dressings, mayonnaise and pesto genuinely easy rather than fiddly. KitchenAid publishes no wattage for it. It also costs meaningfully more than the Ninja, which is exactly why our own catalog entry tells anyone who just wants the cheapest thing that chops an onion to buy the Ninja instead.

The decision rule at this size is short. If you want minced onion, garlic, nuts and herbs for the least money, buy the Ninja. If you make dressings, mayonnaise or pesto and want the drizzle basin and a second speed, buy the KitchenAid and use the extra bowl volume. Our electric chopper roundup ranks both against the rest of the field, and the mini food processor page covers where a small processor beats a chopper outright.

Which one to buy

Buy the Ninja Professional Plus Food Processor (BN601) if you bake, if you want the most motor claim per dollar, or if you are buying your first full-size processor and would rather not pay premium money to find out whether you use it. The honest marks against it: nine cups fills faster than you expect, and the peak-watt headline flatters the machine.

Buy the KitchenAid 13-Cup Food Processor (KFP1318) if dicing or adjustable slicing is something you will genuinely use every week, or if you cook in quantity and the bigger bowl saves you a second pass. The honest marks against it: the dicing kit is fiddly to assemble and clean, there are more parts to store, and KitchenAid will not tell you what the motor is.

Buy the KitchenAid 7-Cup Food Processor (KFP0718) if you want a well-built processor that fits in a cupboard and you do not need dough or dice. And if what you actually need is a small bowl that minces, skip both full-size machines: the Ninja Express Chop (NJ110GR) is the cheap answer and the KitchenAid 3.5-Cup Food Chopper (KFC3516) is the considered one.

If neither brand is settling it for you, the third name in this bracket is worth reading about before you spend: Cuisinart against Breville covers the two brands that publish the most about their motors, which is the axis this particular head-to-head cannot be decided on.