DxOMark: The Samsung Galaxy M51 has the best smartphone battery life


One of the rankings around which there is a lot of controversy is DxOMark. The guys from DxOMark Image Labs evaluate smartphones by camera quality and there are many questions about their objectivity. But this does not prevent the laboratory from further ranking the devices, evaluating more and more new parameters. Now the focus of their attention is on the autonomy of smartphones and the first leader in terms of battery life was determined.

DxOMark: The Samsung Galaxy M51 has the best smartphone battery life

The leader in the DxOMark battery life rating is the Samsung Galaxy M51, which has a powerful 7000 mAh battery. The smartphone received the maximum score at the moment – 88 and it was able to work for more than 3 days. In second place was the little-known Wiko Power U30 with a 6000 mAh battery. And the iPhone 12 Pro Max closed the top three, which still has a 60 Hz display, while the flagships and mid-range devices from the Android camp for the most part switched to screens with increased hertz range from 90 Hz.

For the test of autonomy, they adopted a scientific methodology and involved robots with touch manipulators. Devices perform various operations that are typically performed by ordinary users. This is video and music playback, voice calls on 3G networks, games, web surfing and others. There are 70 such tests in total and it takes 6.5 days to complete them.

The Samsung Galaxy M51 comes with a “monster” 7000 mAh battery that outperforms the competition for both autonomy and efficiency. Where it falls down a little is in charging, where it takes nearly 2.5 hours to go from empty to a full charge — almost an hour longer than the Huawei P40 Lite (with its faster charger). Still, its overall performance is currently the best in our Battery database, promising and delivering excellent battery life whether lightly or intensively used.

galaxy m51

Samsung Galaxy M51 specifications

  • 6.7-inch (2400 x 1080 pixels) Full HD+ Infinity-O Super AMOLED Plus 20:9 display, 420 nits brightness, up to 110% NTSC Color Gamut, Corning Gorilla Glass 3 protection
  • Octa Core (2.2GHz Dual + 1.8GHz Hexa) Snapdragon 730G Mobile Platform with Adreno 618 GPU
  • 6GB / 8GB LPDDR4x RAM, 128GB (UFS 2.1) Storage, expandable up to 512GB via micro SD card
  • Android 10 with One UI 2.1
  • Dual SIM (nano + nano + microSD)
  • 64MP rear camera with LED flash, Sony IMX682 sensor, f/1.8 aperture, 12MP 123° ultra-wide angle camera with f/2.2 aperture, 5MP depth sensor with f/2.2 aperture and 5MP macro sensor with f/2.4 aperture
  • 32MP front camera with f/2.2 aperture
  • Side-mounted Fingerprint sensor
  • 3.5mm audio jack, FM Radio, Dolby Atmos
  • Dimensions: 163.9 x 76.3 x 9.5 mm; Weight: 213g
  • Dual 4G VoLTE, Wi-Fi 802.11 ac (2.4GHz + 5GHz), Bluetooth 5, GPS + GLONASS, USB Type-C, NFC
  • 7000mAh battery with 25W fast charging
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