Ninja Af400uk Vs Af300uk Air Fryers

if you are looking for the ninja af400uk vs af300uk air fryer comparison, this article is for you. Keep reading.

Just a month before, we got an opportunity to test two popular innovative kitchen appliances AF400uk and AF300uk. Both of the ninja models are designed to provide a healthier and more convenient way to fry food.

These air fryers are part of the popular Ninja Foodi lineup, known for their versatility and high-performance capabilities.

After using them for several weeks, we found the AF400uk and AF300uk models are nearly identical, with the main difference being their size.

Despite their size difference, both models offer powerful air frying technology that allows you to enjoy crispy, delicious fried food with little to no oil.

These air fryers are equipped with advanced features and smart technology that makes cooking a breeze. With their sleek design and easy-to-use controls, they are perfect for busy households and cooking enthusiasts alike.

In this article, we walk through the cooking programs and the features difference of both. Alongside providing my own experience and recent buyer reviews.

Whether you’re cooking for yourself or a large family, the Ninja Foodi AF400uk and AF300uk air fryer models are capable of delivering quick and delicious results. Let’s get into more detail.

Key Specifications Of ️Ninja Af400uk Vs Af300uk

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FeaturesNinja Af400ukNinja Af300uk
Sold To:17000+ Customers16000+ Customers
Customer Satisfaction Ratings96%97%
5 Star Ratings:87%88%
Bad Reviews2%2%
Family Size6 or more4 to 5
Capacity9.5 L7.6 L
Dimensions‎16.34 x 10.63 x 12.8 cm35 x 37.5 x 31.5 cm
Weight8 Kg10 Kg
Energy SavingYesYes
Drawers 2x 4.75L2 x 3.8L
PriceSee Low Price OfferSee Low Price Offer

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Brand Manufacturing

Ninja Brand, a leading name in kitchen appliances, is known for its innovative and high-quality products. With a mission to simplify and improve the lives of consumers, Ninja Brand focuses on designing and manufacturing cutting-edge kitchen appliances that deliver exceptional performance. From air fryers to blenders, coffee makers to food processors, Ninja Brand’s products are renowned for their durability, versatility, and user-friendly features. With a commitment to customer satisfaction, Ninja Brand continuously strives to exceed expectations, providing consumers with reliable and efficient appliances that make cooking and food preparation a breeze. Trust Ninja Brand for all your kitchen needs and elevate your culinary experience to new heights.

Ninja Af400uk Vs Af300uk: Capacity and Size

Beginning with the difference in capacity and size, the Ninja Foodi AF300uk and AF400uk air fryer models offer different capacities to accommodate varying cooking needs.

unboxing ninja af300uk placed on countertop view
ninja af300uk

The AF300uk model has a capacity of 7.6 liters, making it suitable for smaller households or families of 4 to 5 people. On the other hand, the AF400uk model has a larger capacity of 9.5 liters, making it more suitable for larger households or families of 6 people or more. The AF400 is capable of cooking up to 25% additional food in comparison to the AF300. See the image below.

unboxing ninja af400uk placed on countertop view
ninja af400uk

The larger capacity of the AF400uk model allows us to cook larger batches of food in one go, making it ideal for gatherings, parties, or when you have guests over. With its generous size, you can easily prepare a variety of dishes, from appetizers to main courses, without needing to cook in multiple batches.

On the other hand, the AF300uk model is more compact and is perfect for smaller kitchens or households with less storage space. It is also suitable for smaller families or those who prefer to cook smaller quantities of food. The AF300uk model is ideal for everyday cooking, allowing you to air fry, roast, bake, and dehydrate with ease.

Moving towards the compact size of AF300 depth of approximately 29 centimeters (11.5 inches) without including the handles, and 36 centimeters (14 inches) including the handles. The width is around 38 centimeters (15 inches), and the height is approximately 32 centimeters (12.5 inches). It’s important to measure your space before purchasing to ensure it will fit comfortably in your kitchen.

Both models are designed with a sleek and modern look, featuring a digital display and easy-to-use controls.

They also come with a range of accessories, including a cooking basket, crisper plate, and a multi-layer rack, which provide versatility and convenience in cooking different types of food.

Ninja Af400uk Vs Af300uk: Cooking Programs

We have tested the cooking programs of both models on preparing a variety of dishes for several weeks.

During testing, we found that the Ninja Foodi AF300uk and AF400uk air fryer models share the same versatile cooking programs, allowing you to prepare a wide range of delicious dishes with ease. Both models offer Max Crisp, Air Fry, Bake, Roast, Dehydrate, and Reheat functions, providing you with multiple cooking options for various recipes and culinary preferences. See the image below.

ninja af300uk cooking programs view

The feature cooking experts most like is the dual-zone technology used in both models, which allows for separate temperature and baking time settings in each drawer.

Just like Af 400, the AF 300 comes with two drawers, which offers a significant advantage over single-drawer models. This means you can cook separate items at the same time, making it ideal for families or those who like to prepare multiple dishes at once.

Each drawer has a capacity of up to one kilogram of food, making it perfect for cooking larger quantities. The drawers are dishwasher safe, although it is recommended to hand wash them to preserve the glossy finish of the non-stick coating.

This means you can cook two different types of food with different cooking requirements simultaneously, without having to compromise on taste or texture. With this innovative feature, you can easily cook crispy fries in one drawer while baking tender chicken in the other, all in one go. See the image below of the cooking results.

ninja af400uk cooking results view

The AF300uk and AF400uk models also come with convenient functions like the Match and Sync buttons, which enable you to synchronize the cooking time and temperature settings in both drawers we tested. This ensures that your food cooks evenly and consistently in both drawers, saving you time and effort in monitoring and adjusting each drawer separately.

See the image below of the cooking results.

ninja af400uk cooking meat view

Another feature we liked the most after using it for several weeks is the “max crisp” function. This is designed for frozen foods such as french fries and chicken nuggets.

This function ensures you get the maximum level of crispiness, which is often a challenge with frozen foods in other air fryers. The AF 300 also offers a temperature range of 105 to 210 degrees Celsius (220 to 410 degrees Fahrenheit), and a timer that can be set up to 60 minutes, giving you plenty of flexibility for different recipes.

See the image below of the cooking results.

ninja af300uk cooking results view

Additionally, both models are equipped with a digital display and easy-to-use controls that allow you to adjust temperature, time, and cooking functions with precision. The cooking programs are designed to deliver optimal results, whether you want to air fry crispy foods, bake delicate pastries, roast tender meats, dehydrate fruits and vegetables, or reheat leftovers to perfection.

Ninja Af400uk Vs Af300uk: Recent Buyers


The user is asking for opinions and experiences with two different models of a Ninja Dual kitchen appliance, specifically the AF400UK and AF300UK. They mention that the AF400UK is priced £80 higher than the AF300UK, but the wattage is the same. They ask if anyone has the new model (AF400UK) and can confirm if it cooks just as quickly with small and full loads, as it would be difficult to tell without having owned the previous model.

The user and their partner cook for only two people, so they are considering if the smaller model (AF300UK) would be sufficient, but they are unsure if they would regret it later. They also mention that they saw a good deal for the larger model (AF400UK) on Facebook for £150 and plan to try it out and see if they like it or sell it for the smaller one.

Another user responds saying they have the original model and for cooking for two people, the AF300UK is more than sufficient, unless there is plenty of money and kitchen worktop space available for the larger model. The conversation also touches on the frequency of use and power consumption of the larger model.


The original post is asking for advice on which airfryer to choose between two options, AF300 and AF400. The person who posted the question mentions that they do not eat meat, but their spouse does occasionally. They also mention that they sometimes cook for 6 people and rarely for 9. They currently use a microwave and slow cooker for cooking from scratch and are interested in cooking a full Sunday lunch in the air fryer. They also mention that gammon freezes well and they could cook gammon and chicken in the air fryer to have enough meat for the week.

There are several replies to the post, with users sharing their experiences and opinions. Some users mention that they have the AF300 and use it for cooking for two people during the week, but use the oven for cooking for more people on weekends.

Another user mentions that they have the AF400 and recommend it because it has bigger drawers and more space for cooking cakes, individual crumbles, etc. Another user mentions that they have the AF300 and recommend the AF400 for larger drawers.

Another user shares their positive experience with the Ninja Foodi Dual Zone Air Fryer AF300, which has two independent compartments for cooking two different foods at the same time, and mentions that it has a large capacity and versatile cooking functions.

They also mention that the trays are non-stick and do not turn black even after prolonged use, which was a common issue with other air fryers they had previously used. They also mention that there was a chemical smell initially, but it went away after sanitizing the fryer multiple times.

Conclusion: Verdict

The AF400uk boasts an impressive overall capacity of 9.5L, with each drawer holding 4.75L. On the other hand, the AF300uk offers a slightly smaller overall capacity of 7.6L, with each drawer accommodating 3.8L. With the AF400uk, you can enjoy a remarkable 25% increase in cooking capacity compared to the AF300uk. So, if you’re looking for a greater cooking capacity and the ability to prepare larger meals, the AF400uk is the ideal choice for you.

Both models share the same advanced features and cooking programs, including Max Crisp, Air Fry, Bake, Roast, Dehydrate, and Reheat functions, as well as dual-zone technology with separate temperature and time settings for each drawer. This allows you to cook two different types of food simultaneously, saving time and effort.

Other convenient features, such as the Match and Sync buttons for synchronized cooking, and the “max crisp” function for crispy frozen foods, make these air fryers easy to use and deliver delicious results.

Whether you’re cooking for yourself, your family, or hosting a gathering, both the Ninja Foodi AF400uk and AF300uk air fryer models are reliable choices that offer versatility, convenience, and excellent performance. Consider your cooking needs, kitchen space, and family size to choose the model that best fits your requirements. Happy cooking!

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amy lockwood author

Amy Lockwood is a well-known expert in the field of home and kitchen appliances. With a passion for testing and evaluating the latest products, she provides her readers with informative and unbiased reviews. Her knowledge and expertise have made her a trusted source for those in the market for new home and kitchen appliances. Whether you're looking for a new refrigerator, oven, purifier or coffee maker, Amy's insightful reviews will help you make an informed decision.

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Cristin is an award-winning professional who writes in-depth reviews based on tests, for various online publishers. She has written some brilliant articles for Finexo enterprise UK everything homes-related. She explains everything in plain English after real-world testing.


Nancy M Jack

Nancy M. Jack is a home and kitchen appliances expert and best-selling author. She has written numerous books on air fryers and mini oven cooking and home products, with a focus on finding smarter ways to cook on a smaller scale. With over a decade of experience in the field, she is an authority on the latest trends and innovations in kitchen appliances and cookware. Her writing is known for its practicality, providing readers with easy-to-follow tips and recipes that can be put into practice right away. Her expertise has been featured in various publications and she is a regular guest speaker at cooking and home products events.

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