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Samsung Galaxy S21 Ultra with an Exynos 2100 SoC sinks in DxOMark's new battery

The Galaxy S21 Ultra with an Exynos SoC struggled in our battery life tests, too. (Image source: NotebookCheck)
The Galaxy S21 Ultra with an Exynos SoC struggled in our battery life tests, too. (Image source: NotebookCheck)
DxOMark has started evaluating smartphone battery life, and the Galaxy S21 Ultra has fared poorly. The Exynos 2100 version languishes near the bottom of DxOMark's battery leaderboard, but the overall score is more than just a measure of battery life.
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DxOMark has introduced a battery life element of its smartphone reviews. According to a blog post, the website bases its battery life findings on various situations, charging speed, and efficiency when charging/discharging. If you are interested in how DxOMark calculates its battery life scores, you can read its blog post here.

Currently, DxOMark believes that the Samsung Galaxy M51 has the best battery life of any smartphone that it has tested. The Galaxy M51 scored 88 points with its 7,000 mAh battery and Snapdragon 730G SoC, 2 points more than the Wiko Power U30. It is not all good news for Samsung, as the Exynos version of the Galaxy S21 Ultra 5G scores 57 points.

The difference between the Exynos and Qualcomm models is stark, as the latter scores 70 points in the same tests. Incidentally, the Apple iPhone 12 Pro Max scored 78 points, putting it fourth in DxOMark's smartphone leaderboard.

The Mi 10T Pro 5G has better battery life than the iPhone 12 Pro Max, but it scores less in DxOMark's battery review. (Image source: NotebookCheck)
The Mi 10T Pro 5G has better battery life than the iPhone 12 Pro Max, but it scores less in DxOMark's battery review. (Image source: NotebookCheck)

In our experience, the iPhone 12 Pro Max has much better battery life than the Galaxy S21 Ultra 5G  (Exynos), despite its smaller battery capacity. We should stress that DxOMark values charging speed highly. The Pixel 5 scores poorly, for example, despite having excellent battery life. Presumably, DxOMark has marked the Pixel 5 down for its peak 18 W charging, which is lower than many of its contemporaries.

In short, we would take DxOMark's battery rating with a pinch of salt. As it explains, the final score does not represent a device's battery life, but also its charging speed and charging efficiency. If the score accurately reflected a device's battery life, then something like the Mi 10T Pro 5G would outscore the iPhone 12 Pro Max. The Galaxy S21 Ultra 5G (Exynos) has relatively poor battery life whichever way you cut it, though. 

Purchase the Samsung Galaxy S21 Ultra on Amazon

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Alex Alderson
Alex Alderson - Senior Tech Writer - 4551 articles published on Notebookcheck since 2018
Prior to writing and translating for Notebookcheck, I worked for various companies including Apple and Neowin. I have a BA in International History and Politics from the University of Leeds, which I have since converted to a Law Degree. Happy to chat on Twitter or Notebookchat.
contact me via: @aldersonaj
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2021 05 > Samsung Galaxy S21 Ultra with an Exynos 2100 SoC sinks in DxOMark's new battery
Alex Alderson, 2021-05-13 (Update: 2021-05-13)