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Panasonic Countertop Microwave NN-SB458S (2018) vs Panasonic Countertop Microwave NN-SN651 (2015)
Panasonic Countertop Microwave NN-SB458S
Panasonic Countertop Microwave NN-SN651
The Panasonic Countertop Microwave NN-SB458S was loved by reviewers at iMore, a trustworthy source that performs objective hands-on testing. It did great in their "Best Microwaves in 2021" roundup - in fact, they named it their "Ranked 2 out of 6". That, by itself, points toward it being a noteworthy Microwave.
As for the Panasonic Countertop Microwave NN-SN651 - it wasn't considered to be a good enough purchase to earn a spot in any roundups conducted by sources that perform objective hands-on testing, which typically indicates that a product isn't worth its asking price.
We couldn't find any sources that tested both of these Microwaves, so we only analyzed how they performed in reviews from different sites.
We first examined which sources rated each of these best and found that the Panasonic Countertop Microwave NN-SB458S got its highest, 9, rating from TechGearLab, while the Panasonic Countertop Microwave NN-SN651 earned its best, 8, score from Gadget Review.
Lastly, we averaged out all of the reviews scores that we could find on these two products and compared them to other Microwaves on the market. We learned that both of them performed far better than most of their competitors - the overall review average earned by Microwaves being 6.9 out of 10, whereas the Panasonic Countertop Microwave NN-SB458S and Panasonic Countertop Microwave NN-SN651 managed averages of 9.0 and 8.0 points, respectively.
Due to the difference in their prices, however, it's important to keep in mind that a direct Panasonic Countertop Microwave NN-SB458S vs. Panasonic Countertop Microwave NN-SN651 comparison might not be entirely fair - some sources don't take value for money into account when assigning their scores and therefore have a tendency to rate more premium products better.