SpecEagle review · Samsung

Galaxy M31 review: Battery monster with 6000 mAh and 64 MP quad cam.

Item: Galaxy M31
Rating: 66
Author: SpecEagle Editorial

SpecEagle Editorial·Feb 2020·$279

Overall

66/100

Class rank

#1 of 1

Tier

Budget

Buy?

Look elsewhere

The verdict, up front

Two-day battery champ.

M31 stuffed a 6000 mAh cell behind a Super AMOLED and 64 MP quad cam at $279, making it the endurance king of Samsung's online M-series. The 15W charging was the trade-off for that enormous battery.

01Display

80/100

80/100 — right at the average for budget phones of 2020.

TypeSuper AMOLED

Size6.4 inches

Resolution1080 x 2340 px

02Camera

68/100

68/100 — right at the average for budget phones of 2020.

Main64 MP, f/1.8

Ultrawide8 MP, 123 deg

Macro5 MP

Depth5 MP

Selfie32 MP

03Performance

62/100

62/100 — right at the average for budget phones of 2020.

ChipsetExynos 9611 (10nm)

GPUMali-G72 MP3

04Battery

88/100

88/100 — right at the average for budget phones of 2020.

Capacity6000 mAh

Charging15W

05Build

64/100

64/100 — right at the average for budget phones of 2020.

What works

Huge 6000 mAh — 2-day battery
64 MP main + AMOLED at $279
Online-exclusive value pricing

What doesn't

Exynos 9611 sluggish
Slow 15W charging for the big cell
2-day battery means slow recharge

How this review is built: every section score, spec row and comparison on this page comes from SpecEagle's tracked catalogue — scores weight measured specs against the 1-phone cohort of budget devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .