Samsung Galaxy M21s vs Samsung Galaxy M31s
The Samsung Galaxy M21s (2020) runs on the Exynos 9611, while the Samsung Galaxy M31s (2020) runs on the Exynos 9611. Both devices score the same overall rating of 45/100. Key differences: the Samsung Galaxy M31s has NFC for contactless payments, the Samsung Galaxy M21s doesn't.
Samsung Galaxy M21s
Samsung Galaxy M31s
- Lighter: 191g vs 203g
- Better portability (55/100 vs 43/100)
- Faster charging: 25W vs 15W
- Better camera (50/100 vs 48/100)
- Longer battery life (52/100 vs 51/100)
The Samsung Galaxy M21s and the Samsung Galaxy M31s received the same MobileRank rating — 45/100. In the "performance" category, both devices are on the same level — 25/100. In the "display" category, both devices are on the same level — 83/100. In the "camera" category, the Samsung Galaxy M31s and the Samsung Galaxy M21s are nearly equal (50/100 vs 48/100). In the "battery" category, the Samsung Galaxy M31s and the Samsung Galaxy M21s are nearly equal (52/100 vs 51/100). In the "portability" category, the Samsung Galaxy M21s is a bit better (55/100 vs 43/100).
| Specification | Samsung Galaxy M21s | Samsung Galaxy M31s | |
|---|---|---|---|
| Processor | Exynos 9611 | Exynos 9611 | |
| AnTuTu | 355351 | 355351 | |
| Geekbench Single | 365 | 365 | |
| Geekbench Multi | 1107 | 1107 | |
| Display | 6.4" Super AMOLED | 6.5" Super AMOLED | |
| Resolution | 1080x2340 | 1080x2400 | |
| Refresh rate | — | — | |
| Battery | 6000 mAh | 6000 mAh | |
| Charging | 15W | 25W | |
| Main camera | 64 MP | 64 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 4GB / 6GB | 6GB / 8GB | |
| Storage | 64GB / 128GB | 128GB | |
| OS | Android 10, One UI 2.5 | Android 10, One UI 2.0 | |
| Brightness (peak) | 420 nits | — | |
| NFC | no | yes | |
| Dimensions | 159.2×75.1×8.9 mm | 159.3×74.4×9.3 mm | |
| Weight | 191 g | 203 g | |
| Launch price | — | — |
Samsung Galaxy M21s
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 32MP
Samsung Galaxy M31s
- Main: 64MP f/f/1.8
- Ultrawide: 12MP
- Front: 32MP
Samsung Galaxy M21s
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Samsung Galaxy M31s
- 6.5" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Samsung Galaxy M21s
- 6000 mAh
- Wired: 15W
- No wireless charging
Samsung Galaxy M31s
- 6000 mAh
- Wired: 25W
- No wireless charging
We compared Samsung Galaxy M21s and Samsung Galaxy M31s, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
performance
In the "performance" category, both devices are on the same level — 25/100.
display
In the "display" category, both devices are on the same level — 83/100.
camera
In the "camera" category, the Samsung Galaxy M31s and the Samsung Galaxy M21s are nearly equal (50/100 vs 48/100).
battery
In the "battery" category, the Samsung Galaxy M31s and the Samsung Galaxy M21s are nearly equal (52/100 vs 51/100).
portability
In the "portability" category, the Samsung Galaxy M21s is a bit better (55/100 vs 43/100).
Which is better: the Samsung Galaxy M21s or the Samsung Galaxy M31s?
Both devices scored 45/100. The choice depends on your priorities: if performance matters more — go with the Samsung Galaxy M31s.
What is the rating of the Samsung Galaxy M21s and the Samsung Galaxy M31s?
The Samsung Galaxy M21s has a MobileRank rating of 45/100, the Samsung Galaxy M31s — 45/100.
Should you choose the Samsung Galaxy M21s over the Samsung Galaxy M31s?
The Samsung Galaxy M21s is a better fit for everyday use. The Samsung Galaxy M31s is a better fit for everyday use.