Choosing between a dual-basket air fryer and a multifunctional cooker can be tricky. The Ninja SL201 focuses on air frying versatility in a compact design, while the Ninja OP500UK brings pressure cooking and more to your countertop. Let’s break it all down.
Table of Comparison
| Feature | Ninja Double Stack | Ninja Foodi Max |
|---|---|---|
| Type | Air Fryer (DoubleStack) | Multi Cooker (Pressure + Crisp) |
| Capacity | 8 QT (7.6 Litres) | 7.5 Litres |
| Basket/Pot Configuration | 2 x 4 QT Baskets + Meal Racks | 7.5L Pot + 4.7L Crisp Basket |
| Dimensions (D x W x H) | 11.25″ x 17.79″ x 15.14″ (≈28.6 x 45.2 x 38.4 cm) | 38 x 42 x 35 cm |
| Material | Plastic | Alloy Steel |
| Weight | 24.3 lbs (≈11 kg) | 11.3 kg |
| Cooking Functions | 6 (Air Fry, Broil, Roast, Bake, Reheat, Dehydrate) | 9 (Pressure Cook, Air Fry, Grill, Steam, etc.) |
| Voltage | 120V (US) | 230V (UK/International) |
| Wattage | 1690W | 1760W |
| Dishwasher Safe Parts | Yes | Yes |
| Family Size Meals | Feeds up to 6 people | Feeds up to 6 people |
| Price (Amazon) | $189.99 | ~£249.99 (≈$316 USD) |
| Amazon Ratings | 4.6 (767+ ratings) | 4.7 (4800+ ratings) |
Key features of both models
These models are designed for families and offer convenient, multi-functional cooking. Here’s what each one brings to the table:
Key features of Ninja Double Stack
Dual-basket system with stackable meal racks
Cook up to 4 foods at once
Compact, space-saving design—40% slimmer than traditional dual fryers
Smart Finish and Match Cook for perfectly timed meals
Easy cleaning with dishwasher-safe parts
Up to 75% less fat than traditional frying
Key features of Ninja Foodi Max
9-in-1 multi cooker with pressure cooking and crisping combo
TenderCrisp technology for juicy inside, crispy outside
Pressure cooking up to 70% faster than slow methods
7.5L large pot fits a whole 3kg chicken
Comes with two lids: Pressure Lid and Crisping Lid
Ideal for stews, rice, grilled meats, and air fried snacks
Key differences between Ninja SL201 and Ninja OP500UK
Cooking Style and Flexibility
SL201 is focused purely on air frying with dual-zone control, ideal for crisping and roasting. OP500UK is a true multi-cooker with pressure cook, steam, sauté, and even yogurt functions.
Design and Footprint
SL201 has a slimmer footprint and dual basket design with stackable racks. OP500UK is a bulkier, single-unit appliance with separate lids for different cooking styles.
Material and Build
OP500UK uses alloy steel with a chrome finish for a more premium and durable build. SL201 has a plastic build, making it lighter and more portable.
Power and Voltage
SL201 is optimized for the US market (120V), while the OP500UK is made for UK/EU (230V). Be sure to match this with your local power system.
Price Point
SL201 is more budget-friendly at around $190, while OP500UK is more expensive due to its broader functionality.
Which model should I choose?
Choose Ninja SL201 if you want a compact, easy-to-use air fryer with space-saving design and the ability to cook multiple foods at once. It’s perfect for air frying lovers who cook daily and need flexibility in a tight kitchen.
Choose Ninja OP500UK if you’re looking for an all-in-one cooker that can replace several appliances. It’s ideal for more advanced cooks who want pressure cooking, air frying, slow cooking, and more—all in one pot.
FAQ
Can I use Ninja OP500UK as an air fryer only?
Yes, it includes a Crisping Lid and basket for full air frying functionality.
Is Ninja SL201 good for making meals for 5-6 people?
Yes, it can cook 4 lbs of chicken wings and is designed to feed up to 6 people.
Does the OP500UK include a dual-basket system?
No, it has a single large pot and a separate crisping basket.
Which is better for small kitchens?
Ninja SL201 is more compact and fits easily under cabinets.
Can I cook a whole chicken in both?
OP500UK fits a 3kg whole chicken. SL201 can cook smaller whole birds (up to 5 lbs each in separate baskets).