Samsung Galaxy A21s vs Xiaomi 15S Pro
The Samsung Galaxy A21s (2020) runs on the Exynos 850, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; launch prices were $215 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 29/100 (a 55-point difference). Key differences: the Xiaomi 15S Pro has the bigger battery (6100 mAh vs 5000); the main camera is 48 MP vs 50 MP; the Xiaomi 15S Pro is faster in AnTuTu (2,998,904 vs 234,339).
Samsung Galaxy A21s
Xiaomi 15S Pro
- Cheaper at launch: $215 vs $760
- Overall rating 29/100
- Higher AnTuTu: 2998904 vs 234339
- Better Geekbench Single: 2746 vs 300
- Better Geekbench Multi: 8431 vs 836
- Bigger battery: 6100 vs 5000 mAh
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 120Hz vs 60Hz
- Higher performance (89/100 vs 16/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (77/100 vs 52/100)
- Better display (90/100 vs 32/100)
Comparing the Samsung Galaxy A21s vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 55 points higher (84/100 vs 29/100). In the "performance" category, the Xiaomi 15S Pro leads (89/100 vs 16/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 30/100). In the "battery" category, the Xiaomi 15S Pro leads (77/100 vs 52/100). Value score: Samsung Galaxy A21s — 18/100, Xiaomi 15S Pro — 80/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (89/100 vs 16/100). In the "display" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (90/100 vs 32/100). In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (78/100 vs 30/100). In the "battery" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy A21s (77/100 vs 52/100).
| Specification | Samsung Galaxy A21s | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Exynos 850 | Xiaomi XRING O1 | |
| AnTuTu | 234339 | 2998904 | |
| Geekbench Single | 300 | 2746 | |
| Geekbench Multi | 836 | 8431 | |
| Display | 6.5" IPS LCD | 6.7" LTPO AMOLED | |
| Resolution | — | 3200x1440 | |
| Refresh rate | 60 Hz | 120 Hz | |
| Battery | 5000 mAh | 6100 mAh | |
| Charging | — | 90W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 13 MP | 32 MP | |
| RAM | 3GB / 4GB / 6GB | 16GB | |
| Storage | 32GB / 64GB | 512GB / 1TB | |
| OS | — | Android 15 | |
| NFC | yes | — | |
| Dimensions | 163.7×75.3×8.9 mm | — | |
| Weight | 192 g | — | |
| Launch price | $215 | $760 |
Samsung Galaxy A21s
- Main: 48MP
- Front: 13MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy A21s
- 6.5" IPS LCD
- Refresh rate: 60 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Samsung Galaxy A21s
- 5000 mAh
- No wireless charging
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
We compared Samsung Galaxy A21s and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
Xiaomi 15S Pro leads Samsung Galaxy A21s by 92.2% in our overall performance rating.
Launch price difference: $545. Samsung Galaxy A21s was $545 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (89/100 vs 16/100).
display
In the "display" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (90/100 vs 32/100).
camera
In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s (78/100 vs 30/100).
battery
In the "battery" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy A21s (77/100 vs 52/100).
Which is better: the Samsung Galaxy A21s or the Xiaomi 15S Pro?
The Xiaomi 15S Pro significantly outperforms the Samsung Galaxy A21s by 55 points (84/100 vs 29/100).
What is the rating of the Samsung Galaxy A21s and the Xiaomi 15S Pro?
The Samsung Galaxy A21s has a MobileRank rating of 29/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the Samsung Galaxy A21s or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on camera score (78/100 vs 30/100).
Which is more powerful: the Samsung Galaxy A21s or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on performance (89/100 vs 16/100).
Should you choose the Samsung Galaxy A21s over the Xiaomi 15S Pro?
The Samsung Galaxy A21s is a better fit for everyday use. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.