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Razer Viper (2019) vs Razer DeathAdder Essential Left-Handed Edition (2013)
Razer DeathAdder Essential Left-Handed Edition (2013)

The Razer Viper (2019) is a great Wired Mouse for its $39 asking price.
The Razer DeathAdder Essential Left-Handed Edition (2013), however, is merely passable at its $249 price point. If you're considering buying a Wired Mouse in the $75 range, you might want to check out some of its competitors.
The Razer Viper (2019) was loved by reviewers at PCmag, a highly trusted source that performs reliable in-depth testing. It did great in its "The Best Mice for Esports in 2020" roundup where it was named its "Best for Lefties, Fans of Ambidextrous Designs", which, in itself, makes it a product worth considering.
As for the Razer DeathAdder Essential Left-Handed Edition (2013) - CNET, a source that conducts reliable hands-on testing, has featured it in its Razer DeathAdder Left Hand Edition review roundup. However, it didn't make it to any of the top spots.
We couldn't find any sources that tested both of these null, 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 Razer Viper (2019) got its highest, 10, rating from Techradar, while the Razer DeathAdder Essential Left-Handed Edition (2013) earned its best, 7.5, score from CNET.
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