Home » Ovens » Breville BOV900BSS vs BOV845BSS

If you’re trying to find the best convection ovens, Breville is a great choice. The BOV900BSS and BOV845BSS are two models of Breville smart toaster ovens that give you a lot of cooking functions. We’ll help you choose a better countertop oven by comparing these models here. We will compare Breville BOV900BSS vs BOV845BSS in depth and find all their differences, we will also give you our opinion on which model is the better choice.

Are you looking for your next cooking partner? If so, then you should look at these Breville Smart Ovens. The Breville BOV900BSS and BOV845BSS (Smart Oven Air and Pro) are two convection countertop ovens that can do a lot of functions in a single machine. Perhaps, it can even do more than your bulky kitchen oven.

Choosing between the Breville BOV900BSS Smart Oven Air and Breville BOV845BSS Smart Pro is easy. However, some just do not have the time to waste looking up which of these is the better Breville model. Well, we did all the dirty work for you and compiled all the extensive research. In this Breville BOV900BSS vs BOV845BSS head-to-head comparison, you will find out which Breville convection oven is right for you. Without further ado, let’s start comparing!

Breville BOV900BSS vs BOV845BSS

Breville BOV900BSS Breville BOV845BSS
Capacity 9-Slice Toaster, 13″ Pizza, 9″x 13″ baking pan, 12-cup muffin tray, 14-lb turkey 6-Slice Toaster, 13″ Pizza, Roast a whole chicken, 9 cup muffin tray
Build and Materials Brushed Stainless Steel Brushed Stainless Steel
Non-Stick Cavity Coating No Yes
Number of Preset Functions 13 Preset Functions 10 Preset Functions
Preset Function Toast, Bagel, Broil, Bake, Roast, Warm, Pizza, Proof, Air Fry, Reheat, Cookies, Slow Cook, and Dehydrate Toast, Bagel, Bake, Roast, Broil, Pizza, Cookies, Reheat, Warm and Slow Cook
Element IQ Technology Yes Yes
PID Temperature Control Yes No
Convection Convection Powered Super Convection Powered
Power 1800 Watts 1800 Watts
Warranty 2 Year Limited Product Warranty 1 Year Limited Product Warranty
Dimensions (W x D x H) 21.5 x 17.5 x 12.7 inches 14.5 x 18.5 x 11 inches
Weight 38.9 pounds 22.80 pounds
Included Accessories 13″ Pizza Pan, Oven Racks (x2), 9″x13″ Broil Rack and Enamel Roasting Pan, Mesh basket rack for dehydrating and air frying One oven rack, 12″x12″ Enamel Baking Pan,

12″x12″ Enamel Broiling Rack, 13″ Non-Stick Pizza Pan

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Breville BOV900BSS vs Breville BOV845BSS – Similarities

Build and Materials

The build and materials are a testament to how rigid and how long these convection ovens will last you. The Breville BOV900BSS and BOV845BSS are built with premium brushed stainless steel. This brushed stainless steel brings not just a premium look and design but also a premium feel to the touch. 

Element IQ Technology

Breville’s Element IQ Technology is baked in the core of both the Breville BOV900BSS and BOV845BSS. This technology makes these ovens ‘smart’. With the Element IQ technology, the heat you subject your food in is guaranteed that you won’t have to guess. So, you will never over or undercook your food. The heating of the Smart Oven Air and Pro are even throughout with its precise temperature control. These features will certainly result in the perfect meal or snack.

LCD Panel

Both the Breville BOV900BSS and BOV845BSShave multiple preset functions. However, it would be hard to select which function if it does not have an intuitive user interface. Fortunately, the Smart Oven Air and Pro has an LCD panel so you can control and select every aspect of these convection ovens. Select which preset you want to use and set it to your desired temperature with this LCD panel.


Differences between Breville BOV900BSS vs Breville BOV845BSS

Oven Capacity

Size does matter. An oven with a larger capacity is proven to be more useful and more versatile than a lower capacity one.

Breville BOV900BSS

The Breville BOV900BSS Smart Oven Air is larger in dimensions compared with the Breville BOV845BSS Smart Oven Pro. It stands at 21.5 x 17.5 x 12.7 inches and weighs 38.9 pounds. Its size may pose a space and allowance issue for some. However, it also means that you can cook more amount of food with the Breville BOV900BSS. You can easily put 9 slices of bread or a 13-inch pizza. Since baking is also one of the specialties of the Breville BOV900BSS, it will fit a larger 9 x 12 inches baking pan or a 12-cup muffin tray. If pastry making is not your style, you can fit a large 14 pounder turkey inside the Breville BOV900BSS Smart Oven Air easily. This amount of food can easily feed up to 14 people.

Breville BOV845BSS

While the Breville BOV845BSS Smart Oven Pro is much smaller at 14.5 x 18.5 x 11 inches and only weighs 22.80 lbs, its capacity is also smaller. Instead of fitting 9 slices of bread, you can only fit 6 slices. Moreover, you can only put a 9-cup muffin tray instead of a 12-cup one. Although it is that small, you can still make a 13” pizza and roast a whole chicken. However, the smaller size of the BOV845BSS makes it less versatile than the Breville BOV900BSS.

The Winner Is- Breville BOV900BSS

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Preset Functions

The preset functions of an oven dictate what kind of food you can cook with them. 

Breville BOV900BSS

Unlike the Breville BOV845BSS, Breville BOV900BSS has more preset functions at 13 unique functions which makes it super versatile. Here are its 13 preset functions: Toast, Bagel, Broil, Bake, Roast, Warm, Pizza, Proof, Air Fry, Reheat, Cookies, Slow Cook and Dehydrate. The 3 preset functions that the Breville BOV900BSS has that the Pro does not are Air Frying, Proofing, and Dehydrating. Air frying will let you fry (say French fries) without the unhealthy amount of oil compared to traditional frying. The Breville BOV900BSS Smart Oven Air has a dedicated proof setting that creates the ideal condition for proofing dough. Lastly, this oven can dehydrate foods from meat (to make beef jerky) to fruits.

Breville BOV845BSS

On the other hand, the Breville BOV845BSS only has 10 smart cooking functions. Although it has a fewer number of functions than Breville BOV900BSS, it does every function very well. Moreover, it is the only convection oven in this comparison that has a non-stick coating on its interior. Its smart functions and non-stick coating make a perfect combination for a ‘no muss, no fuss’ type of cooking. However, the additional functions that the Breville BOV900BSS Smart Oven Air has are indeed more advantageous.

The Winner Is- Breville BOV900BSS

Super Convection and PID Temperature Control

Breville Smart Oven Air and Breville Smart Pro are both convection ovens with 1800 watts of power. 

Breville Smart Oven Air

Breville made the Smart Over Air (BOV900BSS) with the Super Convection Technology by including a 2-speed convection fan running on super and regular. This configuration of the convection fan offers greater cooking control. When the convection fans are running at its super speed, a greater amount of air is produced giving you a fast and even heat distribution. With its PID temperature control, it guarantees a more constant and stable increase in temperature compared to the fluctuating temperatures in traditional ovens. This is exactly why the Smart Oven Air is perfect for air frying, dehydration, and roasting.

Breville Smart Oven Pro

The Smart Oven Pro (BOV845BSS) is your quintessential convection oven. It has a built-in fan that controls the circulation of air inside the oven. There is nothing special with its convection. Again, the Smart Oven Pro is a no muss, no fuss kind of oven.

The Winner Is- Breville Smart Oven Air

Included Accessories

The oven is as good as its included accessories. Without it, some of its functions will be harder to use.

Breville BOV900BSS Smart Oven Air

Breville had to include a mesh basket with the Smart Oven Air for its air frying and dehydrating functions. Moreover, since it can create a larger amount of food, it comes with two oven racks. You can use the 9″x13″ Broil Rack and Enamel Roasting Pan that comes with it for the rest of its functions.

Breville BOV845BSS Smart Oven Pro

Since both convection ovens have a ‘pizza’ function, Breville included a 13” non-stick pizza pan. The Smart Oven Pro comes with a single 12” x 12” enamel baking pan with a baking rack of the same size.

The Winner Is- Breville BOV900BSS


Manufacturer Warranty

Using these convection ovens for a long time calls for an equally long manufacturer warranty. 

Breville BOV900BSS

Breville gave the Smart Oven Air a warranty twice as long. It comes as no surprise since you will be paying a huge premium after all. It is a smart move on your part to get a longer warranty since you can consider the Smart Oven Air as an investment. In fact, you can extend the BrevilleCare Product Protection if you want to.

Breville BOV845BSS

In contrast, the Breville Smart Oven Pro only comes with one year of the BrevilleCare Product Protection. You would have to pay an additional $24.99 or $29.99 for a two-year or a three-year BrevilleCare Product Protection, respectively.

The Winner Is- Breville Smart Oven Air (BOV900BSS)


Pros and Cons

Breville Smart Oven Air (BOV900BSS)


  • You can cook for more people (up to 14 people) with the Breville Smart Oven Air.
  • It is more versatile with its more unique functions including dehydrating, proofing, and air frying. 
  • Temperature control is easier with its super convection fans and front LCD panel.
  • It comes with a longer BrevilleCare Product Protection.
  • It looks and feels premium.


  • The hefty price that comes with the Smart Oven Air makes it hard to recommend for beginners.
  • Its large frame may be a disadvantage to some.


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Breville Smart Oven Pro (BOV845BSS)

  • The quality of cooking with the Breville Smart Oven Pro is one of the best in class.
  • Although it has fewer preset functions, the 10 things you can do with it is done perfectly by the Smart Oven Pro.
  • At a smaller price, you get a lot of accessories with it.
  • Significantly cheaper compared with the Smart Oven Air.


  • If you want to extend the BrevilleCare Product Protection, it will cost you a high extra.


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Which Breville Toaster Oven to Buy?

Paying for more money does give you more features and functionality. As always, it always falls to the question, “Is it worth your money?” If you are looking for a convection oven that literally does it all, then the Breville BOV900BSS is perfect for you. For beginners, however, I believe that the Breville BOV845BSS will suffice. Whichever you end up choosing, that oven is going to be your cooking partner for a long time.


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What are the outside dimensions of the Breville BOV900BSS and Breville BOV845BSS ovens?

The dimensions of the Breville BOV900BSS are 21.5 x 17.5 x 12.7 inches, while the Breville BOV845BSS is significantly smaller with dimensions of 14.5 x 18.5 x 11 inches.

Where are the Breville Smart Oven Pro and the Smart Oven Air made?

The Breville Smart Oven Pro and the Smart Oven Air are made in China.

Are there any differences between the Breville BOV900BSS and BOV900BSSUSC?

There are absolutely no differences between The Smart Oven Air BOV900BSS and BOV900BSSUSC.

Manufacturer: Breville