Independent price comparison & buying intelligence for United States
Affiliate-funded. Editorially independent.
Comparison

Ninja AF300UK vs Ninja AF451UK: specifications

Manufacturer-listed specifications for Ninja AF300UK, Ninja AF451UK, presented by product with source links.

By MainBuyer Editorial TeamPublished 15 October 2026Updated 15 October 2026Research-based assessment
Products referenced

The products in this article

Use these as starting points, then open the product page for product details and retailer options available in your country. Product pages clearly label retailer links that may earn commission.

Specifications side by side

The approved specifications are grouped by topic below. Entries may describe different features or use different units. A missing entry means this article has no approved claim for that topic, not that the product lacks a feature.

Manufacturer-listed specifications by topic
TopicNinja AF300UKNinja AF451UK
Capacity
  • Each drawer fits up to 1kg of fries or a 1.6kg chicken.
  • The air fryer has a total capacity of 9.5L.
  • Each drawer fits up to 1.4kg of fries or a 2kg chicken.
DimensionsNot covered in this article’s approved evidence.
  • Product dimensions are 50.8 cm L x 40.59 cm W x 41.5 cm H.
WeightNot covered in this article’s approved evidence.
  • The air fryer weighs 12.9 kg.
Documented modes
  • The air fryer offers 6 cooking functions: Air Fry, Max Crisp, Roast, Bake, Reheat and Dehydrate.
  • The air fryer has 6 cooking functions: Air Fry, Max Crisp, Roast, Bake, Dehydrate and Reheat.
Documented controls
  • It has 2 separate cooking drawers, and cooking programs and times can be synced or matched between the drawers.
  • The air fryer has variable temperature controls.
  • The two separate cooking drawers allow cooking programs and times to be set to SYNC or MATCH.
Documented components
  • Parts of the air fryer are dishwasher safe.
  • The unit includes a Digital Cooking Probe that monitors food temperature.
  • Box contents: main unit, 2 non-stick drawers, 2 non-stick crisper plates and 1 digital cooking probe.
Documented design details
  • The air fryer has 2 independent cooking zones, allowing different foods, times and programs to be cooked in each zone.
  • The air fryer has 2 independent cooking zones, so different foods can be cooked with different programs and times.
SourceNinja AF300UK manufacturer sourceNinja AF451UK manufacturer source

Ninja AF300UK

  • Each drawer fits up to 1kg of fries or a 1.6kg chicken.
  • The air fryer has 2 independent cooking zones, allowing different foods, times and programs to be cooked in each zone.
  • It has 2 separate cooking drawers, and cooking programs and times can be synced or matched between the drawers.
  • The air fryer offers 6 cooking functions: Air Fry, Max Crisp, Roast, Bake, Reheat and Dehydrate.
  • The air fryer has variable temperature controls.
  • Parts of the air fryer are dishwasher safe.

Ninja AF451UK

  • The air fryer has a total capacity of 9.5L.
  • The air fryer has 6 cooking functions: Air Fry, Max Crisp, Roast, Bake, Dehydrate and Reheat.
  • The unit includes a Digital Cooking Probe that monitors food temperature.
  • Product dimensions are 50.8 cm L x 40.59 cm W x 41.5 cm H.
  • The air fryer weighs 12.9 kg.
  • Box contents: main unit, 2 non-stick drawers, 2 non-stick crisper plates and 1 digital cooking probe.
  • The air fryer has 2 independent cooking zones, so different foods can be cooked with different programs and times.
  • The two separate cooking drawers allow cooking programs and times to be set to SYNC or MATCH.
  • Each drawer fits up to 1.4kg of fries or a 2kg chicken.

Manufacturer sources

Bottom line

These are manufacturer-listed specifications. This overview does not report hands-on testing or make a recommendation.

Methodology

How this article was prepared

This is a research-based MainBuyer article using current web evidence, official product information and verified MainBuyer product records. It does not claim hands-on laboratory testing.

See how we review and our editorial policy.