Question about Philips Dual Basket Airfryer NA352/09

This hot air fryer has a capacity of 9 litres, so you can prepare chips for around 6 people in one go, depending on the quantity of chips per portion. The total capacity is sufficient to cook up to 1.5 kg of vegetables or other foods, which may vary depending on the type and quantity of food.

Does the cooking quality of Chips vary from one airfryer to another?