Samsung Galaxy M21s vs Samsung Galaxy M31
The Samsung Galaxy M21s (2020) runs on the Exynos 9611, while the Samsung Galaxy M31 (2020) runs on the Exynos 9611. Both devices score the same overall rating of 45/100. Key differences: the Samsung Galaxy M31 has NFC for contactless payments, the Samsung Galaxy M21s doesn't.
Profile comparison
Category scores
Samsung Galaxy M21s
Samsung Galaxy M31
What makes Samsung Galaxy M21s better?
- Overall rating 45/100
What makes Samsung Galaxy M31 better?
- Overall rating 45/100
Comparison verdict
The Samsung Galaxy M21s and the Samsung Galaxy M31 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, both devices are on the same level — 48/100. In the "battery" category, both devices are on the same level — 51/100. In the "portability" category, both devices are on the same level — 55/100.
Specs comparison
| Specification | Samsung Galaxy M21s | Samsung Galaxy M31 | |
|---|---|---|---|
| Processor | Exynos 9611 | Exynos 9611 | |
| AnTuTu | 355351 | 355351 | |
| Geekbench Single | 365 | 365 | |
| Geekbench Multi | 1107 | 1107 | |
| Display | 6.4" Super AMOLED | 6.4" Super AMOLED | |
| Resolution | 1080x2340 | 1080x2340 | |
| Refresh rate | — | — | |
| Battery | 6000 mAh | 6000 mAh | |
| Charging | 15W | 15W | |
| Main camera | 64 MP | 64 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 4GB / 6GB | 6GB | |
| Storage | 64GB / 128GB | 64GB / 128GB | |
| OS | Android 10, One UI 2.5 | Android 10.0; One UI 2.0 | |
| Brightness (peak) | 420 nits | — | |
| NFC | no | yes | |
| Dimensions | 159.2×75.1×8.9 mm | 159.2×75.1×8.9 mm | |
| Weight | 191 g | 191 g | |
| Launch price | — | — |
Camera comparison
Samsung Galaxy M21s
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 32MP
Samsung Galaxy M31
- Main: 64MP f/1.8
- Ultrawide: 8MP
- Front: 32MP
Display comparison
Samsung Galaxy M21s
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Samsung Galaxy M31
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Battery and charging
Samsung Galaxy M21s
- 6000 mAh
- Wired: 15W
- No wireless charging
Samsung Galaxy M31
- 6000 mAh
- Wired: 15W
- No wireless charging
Overall performance score
We compared Samsung Galaxy M21s and Samsung Galaxy M31, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Detailed category analysis
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, both devices are on the same level — 48/100.
battery
In the "battery" category, both devices are on the same level — 51/100.
portability
In the "portability" category, both devices are on the same level — 55/100.
Frequently asked questions
Which is better: the Samsung Galaxy M21s or the Samsung Galaxy M31?
Both devices scored 45/100. They are identical on performance — 25/100 for both. They are level across the other categories too, so pick on price, availability and brand preference.
What is the rating of the Samsung Galaxy M21s and the Samsung Galaxy M31?
The Samsung Galaxy M21s has a MobileRank rating of 45/100, the Samsung Galaxy M31 — 45/100.
Should you choose the Samsung Galaxy M21s over the Samsung Galaxy M31?
The models are level across every measured category, so pick on price, availability and brand preference.