Samsung Galaxy A51 vs Samsung Galaxy M21s
The Samsung Galaxy A51 (2020) runs on the Exynos 9611, while the Samsung Galaxy M21s (2020) runs on the Exynos 9611. By overall MobileRank rating, the Samsung Galaxy M21s leads — 45/100 vs 34/100 (a 11-point difference). Key differences: the Samsung Galaxy M21s has the bigger battery (6000 mAh vs 4000); the main camera is 48 MP vs 64 MP; the Samsung Galaxy A51 has NFC for contactless payments, the Samsung Galaxy M21s doesn't; the Samsung Galaxy A51 is noticeably lighter (172g vs 191g).
Samsung Galaxy A51
Samsung Galaxy M21s
- Lighter: 172g vs 191g
- Better portability (77/100 vs 55/100)
- Bigger battery: 6000 vs 4000 mAh
- Better main camera: 64MP vs 48MP
- Better camera (48/100 vs 36/100)
- Longer battery life (51/100 vs 25/100)
- Better display (83/100 vs 51/100)
Comparing the Samsung Galaxy A51 vs the Samsung Galaxy M21s, the Samsung Galaxy M21s scores 11 points higher (45/100 vs 34/100). In the "camera" category, the Samsung Galaxy M21s leads (48/100 vs 36/100). In the "battery" category, the Samsung Galaxy M21s leads (51/100 vs 25/100). In the "performance" category, both devices are on the same level — 25/100. In the "display" category, the Samsung Galaxy M21s significantly outperforms the Samsung Galaxy A51 (83/100 vs 51/100). In the "camera" category, the Samsung Galaxy M21s is a bit better (48/100 vs 36/100). In the "battery" category, the Samsung Galaxy M21s notably outperforms the Samsung Galaxy A51 (51/100 vs 25/100). In the "portability" category, the Samsung Galaxy A51 notably outperforms the Samsung Galaxy M21s (77/100 vs 55/100).
| Specification | Samsung Galaxy A51 | Samsung Galaxy M21s | |
|---|---|---|---|
| Processor | Exynos 9611 | Exynos 9611 | |
| AnTuTu | 355351 | 355351 | |
| Geekbench Single | 365 | 365 | |
| Geekbench Multi | 1107 | 1107 | |
| Display | 6.5" AMOLED | 6.4" Super AMOLED | |
| Resolution | — | 1080x2340 | |
| Refresh rate | 60 Hz | — | |
| Battery | 4000 mAh | 6000 mAh | |
| Charging | — | 15W | |
| Main camera | 48 MP | 64 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 4GB / 6GB | 4GB / 6GB | |
| Storage | 64GB / 128GB | 64GB / 128GB | |
| OS | — | Android 10, One UI 2.5 | |
| Brightness (peak) | — | 420 nits | |
| NFC | yes | no | |
| Dimensions | 158.5×73.6×7.9 mm | 159.2×75.1×8.9 mm | |
| Weight | 172 g | 191 g | |
| Launch price | $399 | — |
Samsung Galaxy A51
- Main: 48MP
- Front: 32MP
Samsung Galaxy M21s
- Main: 64MP f/f/1.8
- Ultrawide: 8MP
- Front: 32MP
Samsung Galaxy A51
- 6.5" AMOLED
- Refresh rate: 60 Hz
Samsung Galaxy M21s
- 6.4" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: —
Samsung Galaxy A51
- 4000 mAh
- No wireless charging
Samsung Galaxy M21s
- 6000 mAh
- Wired: 15W
- No wireless charging
We compared Samsung Galaxy A51 and Samsung Galaxy M21s, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Samsung Galaxy M21s
Price unknownperformance
In the "performance" category, both devices are on the same level — 25/100.
display
In the "display" category, the Samsung Galaxy M21s significantly outperforms the Samsung Galaxy A51 (83/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy M21s is a bit better (48/100 vs 36/100).
battery
In the "battery" category, the Samsung Galaxy M21s notably outperforms the Samsung Galaxy A51 (51/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A51 notably outperforms the Samsung Galaxy M21s (77/100 vs 55/100).
Which is better: the Samsung Galaxy A51 or the Samsung Galaxy M21s?
The Samsung Galaxy M21s is noticeably better than the Samsung Galaxy A51 — the overall rating gap is 11 points.
What is the rating of the Samsung Galaxy A51 and the Samsung Galaxy M21s?
The Samsung Galaxy A51 has a MobileRank rating of 34/100, the Samsung Galaxy M21s — 45/100.
Which has the better camera: the Samsung Galaxy A51 or the Samsung Galaxy M21s?
The Samsung Galaxy M21s leads on camera score (48/100 vs 36/100).
Should you choose the Samsung Galaxy A51 over the Samsung Galaxy M21s?
The Samsung Galaxy A51 is a better fit for everyday use. The Samsung Galaxy M21s is a better fit for everyday use.