Samsung Galaxy S21+ vs Xiaomi 15S Pro
The Samsung Galaxy S21+ (2021) runs on the Samsung Exynos 2100, while the Xiaomi 15S Pro (2025) runs on the Xiaomi XRING O1; launch prices were $999 and $760. By overall MobileRank rating, the Xiaomi 15S Pro leads — 84/100 vs 57/100 (a 27-point difference). Key differences: the Xiaomi 15S Pro has the bigger battery (6100 mAh vs 4800); the main camera is 12 MP vs 50 MP; the Xiaomi 15S Pro is faster in AnTuTu (2,998,904 vs 1,017,773).
Samsung Galaxy S21+
Xiaomi 15S Pro
- Overall rating 57/100
- Higher AnTuTu: 2998904 vs 1017773
- Better Geekbench Single: 2746 vs 1435
- Better Geekbench Multi: 8431 vs 3555
- Bigger battery: 6100 vs 4800 mAh
- Faster charging: 90W vs 25W
- Better main camera: 50MP vs 12MP
- Cheaper at launch: $760 vs $999
- Higher performance (89/100 vs 62/100)
- Better camera (78/100 vs 42/100)
- Longer battery life (77/100 vs 48/100)
- Better display (90/100 vs 79/100)
- Higher value score: 80/100 vs 26/100
Comparing the Samsung Galaxy S21+ vs the Xiaomi 15S Pro, the Xiaomi 15S Pro scores 27 points higher (84/100 vs 57/100). In the "performance" category, the Xiaomi 15S Pro leads (89/100 vs 62/100). In the "camera" category, the Xiaomi 15S Pro leads (78/100 vs 42/100). In the "battery" category, the Xiaomi 15S Pro leads (77/100 vs 48/100). In the "value for money" category, the Xiaomi 15S Pro leads (80/100 vs 26/100). In the "performance" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy S21+ (89/100 vs 62/100). In the "display" category, the Xiaomi 15S Pro is a bit better (90/100 vs 79/100). In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy S21+ (78/100 vs 42/100). In the "battery" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy S21+ (77/100 vs 48/100). In the "value for money" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy S21+ (80/100 vs 26/100).
| Specification | Samsung Galaxy S21+ | Xiaomi 15S Pro | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | Xiaomi XRING O1 | |
| AnTuTu | 1017773 | 2998904 | |
| Geekbench Single | 1435 | 2746 | |
| Geekbench Multi | 3555 | 8431 | |
| Display | 6.7" Dynamic AMOLED 2X | 6.7" LTPO AMOLED | |
| Resolution | 2400x1080 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4800 mAh | 6100 mAh | |
| Charging | 25W | 90W | |
| Wireless charging | 15W | — | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 10 MP | 32 MP | |
| RAM | 8GB | 16GB | |
| Storage | 128GB / 256GB | 512GB / 1TB | |
| OS | Android 11 | Android 15 | |
| Weight | 200 g | — | |
| Launch price | $999 | $760 |
Samsung Galaxy S21+
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 64MP
- Front: 10MP
Xiaomi 15S Pro
- Main: 50MP f/f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Samsung Galaxy S21+
- 6.7" Dynamic AMOLED 2X
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Xiaomi 15S Pro
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Samsung Galaxy S21+
- 4800 mAh
- Wired: 25W
- Wireless: 15W
Xiaomi 15S Pro
- 6100 mAh
- Wired: 90W
- Wireless charging: no data
We compared Samsung Galaxy S21+ and Xiaomi 15S Pro, covering their specs and all relevant benchmarks.
Xiaomi 15S Pro leads Samsung Galaxy S21+ by 66.1% in our overall performance rating.
Launch price difference: $239. Xiaomi 15S Pro was $239 cheaper at launch.
performance
In the "performance" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy S21+ (89/100 vs 62/100).
display
In the "display" category, the Xiaomi 15S Pro is a bit better (90/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy S21+ (78/100 vs 42/100).
battery
In the "battery" category, the Xiaomi 15S Pro notably outperforms the Samsung Galaxy S21+ (77/100 vs 48/100).
value for money
In the "value for money" category, the Xiaomi 15S Pro significantly outperforms the Samsung Galaxy S21+ (80/100 vs 26/100).
Which is better: the Samsung Galaxy S21+ or the Xiaomi 15S Pro?
The Xiaomi 15S Pro significantly outperforms the Samsung Galaxy S21+ by 27 points (84/100 vs 57/100).
What is the rating of the Samsung Galaxy S21+ and the Xiaomi 15S Pro?
The Samsung Galaxy S21+ has a MobileRank rating of 57/100, the Xiaomi 15S Pro — 84/100.
Which has the better camera: the Samsung Galaxy S21+ or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on camera score (78/100 vs 42/100).
Which is more powerful: the Samsung Galaxy S21+ or the Xiaomi 15S Pro?
The Xiaomi 15S Pro leads on performance (89/100 vs 62/100).
Should you choose the Samsung Galaxy S21+ over the Xiaomi 15S Pro?
The Samsung Galaxy S21+ is a better fit for active users. The Xiaomi 15S Pro is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.