The Breville the Mini Smart Oven BOV450XL and the Breville the Smart Oven Air Fryer Compact are both decent toaster ovens, but they have different strengths, so you may prefer one over the other depending on your preferred cooking methods. When it comes to toasting, the Mini Smart Oven comes out ahead, toasting faster and more evenly. It also preheats faster and maintains a more stable temperature, so it's less likely to dry out your baked goods, and it's better for quickly reheating leftovers. The Smart Oven Air Fryer Compact, however, is a much better choice for air frying. It leaves most of your food crispy and finishes cooking faster. It's easier to clean, too.