Galaxy M31s review: A 6,000 mAh M-series with a 64 MP quad camera and Intelli-cam.
A 6,000 mAh M-series sweet spot.
M31s paired a 6,000 mAh battery with a 25 W charger and Samsung's "Intelli-cam" 64 MP shooter — a strong endurance + camera combo at $280. Hugely popular in India and other emerging markets.
01Display
76/10076/100 — right at the average for mid-range phones of 2020.
02Camera
64/10064/100 trails the 66-point cohort average for mid-range phones of 2020.
03Performance
58/10058/100 is one of the weaker performance results among mid-range phones of 2020 — 7 points under the average. Check the rows below before buying for this.
04Battery
88/100At 88/100 this is one of the strongest battery showings among mid-range phones of 2020 — 14 points above the cohort average.
05Build
62/10062/100 is one of the weaker build results among mid-range phones of 2020 — 10 points under the average. Check the rows below before buying for this.
06Value
70/10070/100 puts it above the 68-point average for mid-range phones of 2020.
- 6,000 mAh battery + 25 W charging.
- Samsung's 64 MP Intelli-cam.
- Super AMOLED display.
- microSD + jack.
- Exynos 9611 was modest.
- Heavy 203 g.
- 5 MP filler lenses.
- Mono speaker.
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 104-phone cohort of mid-range devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .