Ninja Foodi OP350UK vs OP450UK

A battle between the Ninja Multicookers. The OP350UK offers more functions but the OP450UK has more space. Which one should you buy?

Air fryers go way beyond just cooking chips in a basket, and these two Ninjas exemplify this. The Ninja OP350UK and Ninja OP450UK are both versatile multicookers for meals for the whole family. There are some major differences between the two, however. We’ve pitted them against each other so you can decide which one’s for you.

Ninja Foodi 9-in-1 Multi-Cooker 6L OP350UK vs Ninja Foodi 7-in-1 Multi-Cooker 7.5l OP450UK: Vital statistics

Ninja Foodi 9-in-1 Multi-Cooker 6L OP350UK
Ninja Foodi 7-in-1 Multi-Cooker 7.5l OP450UK

Round 1: Stated functions

Functions97
Functions includeAir fry, Grill, Roast, Bake, Steam, Sear/Saute, Pressure cook, Slow cook, Dehydrate, Reheat, Keep warm, Max crispAir fry, Grill, Roast, Bake, Steam, Sear/Saute, Pressure cook, Slow cook, Keep warm, Max crisp
TimerDigitalDigital
Stated functions★★★★★★★★★★

As multicookers, both can cook loads of foods in different ways. They’ll both come with crisping lids and pressure cooking lids. They’ll both need some time getting used to the functions for cooking complete meals.
The OP350UK boasts more functions than the OP450UK. It can dehydrate, yoghurt and Max Crisp (a Ninja specific function to cook frozen food super fast). Both heat up rapidly.

Round 2: Capacity and size

Capacity6l7.5l
Cooking zones11
Cooking tiers3
Dimensions (HxWxD)32cm x 43cm x 36cm 35cm x 39cm x 33cm
Weight11kg11.3kg
Wattage1,460W1,760W
Capacity and size★★★★★★★★★★

The OP450UK comes out on top, with 1.5 litres more than the OP350UK. It can cook full meals in its pot, with pulses at the bottom, veg in the lower rack and meat or other protein at the top. It’ll also cook a bigger chicken than the OP350UK. Both should feed a family of 4 to 6. They’re both very heavy and bulky machines, although the OP350UK is wider – things to bear in mind if you have a small kitchen.

Round 3: Convenience

Dishwasher-safe parts
Transparency
Rotating basket
Convenience★★★★★★★★★★

Both Ninjas are extremely convenient at cooking food quickly, and while shaking is recommended, their large basket capacities sometimes means you won’t need to tend to your food. The functions aren’t complicated and both machines are simple to start up. Ninjas don’t come with presets, nor a viewing window unfortunately. They are both easy to clean up.

Overall winner: Ninja Foodi 7-in-1 Multi-Cooker 7.5l OP450UK

If you’re a bit of an experimental foodie, the Ninja OP350UK will spice up your cooking regime and is an excellent machine. But if you’re looking for complete meals, the better overall multicooker is the OP450UK. It offers more space and is extremely easy to use.

Ninja Foodi 9-in-1 Multi-Cooker 6L OP350UK
Ninja Foodi 7-in-1 Multi-Cooker 7.5l OP450UK

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