Products
Tested using Methodology v1.1
Updated Aug 06, 2026 08:41 PM
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BestBuy.com
Tested using Methodology v1.1
Updated Aug 06, 2026 08:36 PM
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Amazon
Installation
Countertop
Inverter Technology
Yes
Convection Cooking
No
Installation
Countertop
Inverter Technology
Yes
Convection Cooking
No
Our Verdict
Breville the Smooth Wave
Panasonic NN-SF57RM
The Breville the Smooth Wave is a marginally better overall countertop microwave than the Panasonic NN-SF57RM. The Breville features a more comprehensive suite of physical controls, which makes it easier to manually input settings. It also runs a little quieter, and its cooking chamber is a little taller. That said, the Panasonic model's flatbed cooking chamber is wider and easier to clean.
Variants
- the Smooth Wave (Brushed Stainless Steel)
- NN-SF57RM (Grey)
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Brushed Stainless Steel
the Smooth Wave
SEE PRICE
BestBuy.com
Grey
NN-SF57RM
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Amazon
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Breville
Grey
NN-SF57RM
SEE PRICE
Panasonic
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Amazon
Grey
NN-SF57RM
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Walmart.com
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Walmart.com
Grey
NN-SF57RM
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Lowes.com
Brushed Stainless Steel
the Smooth Wave
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Lowes.com
Grey
NN-SF57RM
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HomeDepot.com
Brushed Stainless Steel
the Smooth Wave
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HomeDepot.com
Grey
NN-SF57RM
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BestBuy.com
Grey
NN-SF57RM
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B&H
Main Differences for
Everyday Use
Everyday Use
Threshold
Everyday Use
8.4
7.3
Ease Of Use
9.2
6.7
Power
8.7
9.2
Internal Capacity
7.0
6.6
Full Comparison
Design
Body
Microwave Dimensions Photo
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Installation
Countertop
Countertop
Height
12.4" (31.4 cm)
14.0" (35.5 cm)
Width
20.4" (51.9 cm)
18.7" (47.6 cm)
Depth Without Handle
16.5" (42.0 cm)
15.4" (39.2 cm)
Depth With Handle
17.9" (45.4 cm)
17.2" (43.7 cm)
Power Cord Length
3.46 ft (1.06 m)
3.56 ft (1.08 m)
Internal Capacity
7.0
6.6
Cooking Chamber Photo
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Advertised Chamber Volume
1.2 cu. ft. (34.0 L)
1.0 cu. ft. (28.3 L)
Turntable Diameter
12.4" (31.5 cm)
N/A
Chamber Height
9.3" (23.7 cm)
8.1" (20.5 cm)
Chamber Width
13.9" (35.3 cm)
15.2" (38.7 cm)
Chamber Depth
14.7" (37.4 cm)
13.4" (34.0 cm)
Measured Chamber Volume
1.10 cu. ft. (31.3 L)
0.95 cu. ft. (26.9 L)
Features
Control Panel Picture
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Cooking Sensor
Yes
Yes
Convection Cooking
No
No
Add Time Button
Yes
Yes
Mute Sounds Button
Yes
Yes
Lock Controls Button
Yes
Yes
Ease Of Use
9.2
6.7
Usability Video
Control Interface
Dials + Physical Buttons
Dials + Physical Buttons
# Of Actions For 3:00 At 100%
2
4
# Of Actions For 2:30 At 50%
3
9
Door Release
Handle
Handle
In The Box
In The Box Photo
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Performance
Power
8.7
9.2
Microwave Power Graph
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Inverter Technology
Yes
Yes
Advertised Microwave Output Power
1,200 W
1,200 W
Tested Heating Rate At 100% Power
701 W
726 W
In-Use Noise
8.5
6.9
Noise Video
Avg. Noise @ 100% Power
45.6 dBA
54.6 dBA
Shallow Dish Heating Uniformity
Marshmallow Heatmap
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Area Of Underheated Dinner Plate
100%
0%
Grayscale Range Dinner Plate
15
47
Area Of Underheated Turntable
67%
0%
Grayscale Range Turntable
18
47
Deep Dish Heating Uniformity
Mashed Potato 100% Heatmap
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Min. Food Temperature (100% Power)
90 °F (32 °C)
N/A
Food Temperature Range (100% Power)
96 °F (53 °C)
N/A
Mashed Potato 50% Heatmap
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Min. Food Temperature (50% Power)
114 °F (46 °C)
N/A
Food Temperature Range (50% Power)
77 °F (43 °C)
N/A
Check Price
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
BestBuy.com
Grey
NN-SF57RM
SEE PRICE
Amazon
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Breville
Grey
NN-SF57RM
SEE PRICE
Panasonic
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Amazon
Grey
NN-SF57RM
SEARCH
Walmart.com
Brushed Stainless Steel
the Smooth Wave
SEE PRICE
Walmart.com
Grey
NN-SF57RM
SEARCH
Lowes.com
Brushed Stainless Steel
the Smooth Wave
SEARCH
Lowes.com
Grey
NN-SF57RM
SEARCH
HomeDepot.com
Brushed Stainless Steel
the Smooth Wave
SEARCH
HomeDepot.com
Grey
NN-SF57RM
SEARCH
BestBuy.com
Grey
NN-SF57RM
SEARCH
B&H
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Breville the Smooth Wave
Panasonic NN-SF57RM
Comments
Breville the Smooth Wave vs Panasonic NN-SF57RM: Main Discussion
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