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

Ninja AF451UK vs Ninja FN101UKST vs Tefal EY901N40: specifications

Manufacturer-listed specifications for Ninja AF451UK, Ninja FN101UKST, Tefal EY901N40, presented by product with source links.

By MainBuyer Editorial TeamPublished 10 October 2026Updated 10 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 AF451UKNinja FN101UKSTTefal EY901N40
Capacity
  • The total capacity is 9.5L.
  • Each drawer fits up to 1.4kg of fries or a 2kg chicken.
Not covered in this article’s approved evidence.Not covered in this article’s approved evidence.
Dimensions
  • Product dimensions are 50.8 cm L x 40.59 cm W x 41.5 cm H.
  • Product dimensions of the FN101UKST are 24.84 cm L x 29.74 cm W x 29.26 cm H.
  • The dimensions (L x W x H) are 418mm x 402mm x 305mm.
  • The power cord length is 0.9m.
Weight
  • The product weight is listed as 12.9 kg.
  • The Ninja CRISPi FN101UKST (Stone) weighs 5.08 kg.
Not covered in this article’s approved evidence.
PowerNot covered in this article’s approved evidence.
  • The FN101UKST is rated at 240 volts, 1,700 watts and 8 amps.
Not covered in this article’s approved evidence.
Documented modes
  • The air fryer offers 6 cooking functions: Max Crisp, Roast, Bake, Reheat, Dehydrate and Air Fry.
  • The CRISPi offers air frying, roasting, keeping warm and recrisping functions.
  • A Sync Finish function lets two foods cooked with different settings in the two drawers finish at the same time.
Documented controls
  • The unit has 2 separate cooking drawers, and cooking programs and times can be set to SYNC or MATCH between them.
Not covered in this article’s approved evidence.Not covered in this article’s approved evidence.
Documented components
  • The box contains the main unit, 2 non-stick drawers, 2 non-stick crisper plates and 1 digital cooking probe.
  • A leave-in digital cooking probe monitors food temperature during cooking and indicates when to remove the food.
  • The box contents are a 1.4L glass container, a 3.8L Ninja glass container, an adaptor, a large crisper plate, a small crisper plate, a large lid and a small lid.
Not covered in this article’s approved evidence.
SourceNinja AF451UK manufacturer sourceNinja FN101UKST manufacturer sourceTefal EY901N40 manufacturer source

Ninja AF451UK

  • The air fryer offers 6 cooking functions: Max Crisp, Roast, Bake, Reheat, Dehydrate and Air Fry.
  • Product dimensions are 50.8 cm L x 40.59 cm W x 41.5 cm H.
  • The product weight is listed as 12.9 kg.
  • The box contains the main unit, 2 non-stick drawers, 2 non-stick crisper plates and 1 digital cooking probe.
  • The total capacity is 9.5L.
  • Each drawer fits up to 1.4kg of fries or a 2kg chicken.
  • The unit has 2 separate cooking drawers, and cooking programs and times can be set to SYNC or MATCH between them.
  • A leave-in digital cooking probe monitors food temperature during cooking and indicates when to remove the food.

Ninja FN101UKST

  • The Ninja CRISPi FN101UKST (Stone) weighs 5.08 kg.
  • Product dimensions of the FN101UKST are 24.84 cm L x 29.74 cm W x 29.26 cm H.
  • The FN101UKST is rated at 240 volts, 1,700 watts and 8 amps.
  • The box contents are a 1.4L glass container, a 3.8L Ninja glass container, an adaptor, a large crisper plate, a small crisper plate, a large lid and a small lid.
  • The CRISPi offers air frying, roasting, keeping warm and recrisping functions.

Tefal EY901N40

  • A Sync Finish function lets two foods cooked with different settings in the two drawers finish at the same time.
  • The dimensions (L x W x H) are 418mm x 402mm x 305mm.
  • The power cord length is 0.9m.

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.