Samsung Galaxy S21+ vs Xiaomi 17
The Samsung Galaxy S21+ (2021) runs on the Samsung Exynos 2100, while the Xiaomi 17 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $999 and $709. By overall MobileRank rating, the Xiaomi 17 leads — 87/100 vs 57/100 (a 30-point difference). Key differences: the Xiaomi 17 has the bigger battery (7000 mAh vs 4800); the main camera is 12 MP vs 50 MP; the Xiaomi 17 is faster in AnTuTu (3,274,157 vs 1,017,773).
Samsung Galaxy S21+
Xiaomi 17
- Overall rating 57/100
- Higher AnTuTu: 3274157 vs 1017773
- Better Geekbench Single: 3566 vs 1435
- Better Geekbench Multi: 10162 vs 3555
- Bigger battery: 7000 vs 4800 mAh
- Faster charging: 100W vs 25W
- Better main camera: 50MP vs 12MP
- Faster wireless charging: 50W vs 15W
- Lighter: 191g vs 200g
- Cheaper at launch: $709 vs $999
- Higher performance (95/100 vs 62/100)
- Better camera (81/100 vs 42/100)
- Longer battery life (87/100 vs 48/100)
- Better display (85/100 vs 79/100)
- Better portability (63/100 vs 60/100)
- Higher value score: 86/100 vs 26/100
Comparing the Samsung Galaxy S21+ vs the Xiaomi 17, the Xiaomi 17 scores 30 points higher (87/100 vs 57/100). In the "performance" category, the Xiaomi 17 leads (95/100 vs 62/100). In the "camera" category, the Xiaomi 17 leads (81/100 vs 42/100). In the "battery" category, the Xiaomi 17 leads (87/100 vs 48/100). In the "value for money" category, the Xiaomi 17 leads (86/100 vs 26/100). In the "performance" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (95/100 vs 62/100). In the "display" category, the Xiaomi 17 is a bit better (85/100 vs 79/100). In the "camera" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (81/100 vs 42/100). In the "battery" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (87/100 vs 48/100). In the "portability" category, the Xiaomi 17 and the Samsung Galaxy S21+ are nearly equal (63/100 vs 60/100). In the "value for money" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (86/100 vs 26/100).
| Specification | Samsung Galaxy S21+ | Xiaomi 17 | |
|---|---|---|---|
| Processor | Samsung Exynos 2100 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1017773 | 3274157 | |
| Geekbench Single | 1435 | 3566 | |
| Geekbench Multi | 3555 | 10162 | |
| Display | 6.7" Dynamic AMOLED 2X | 6.3" LTPO AMOLED | |
| Resolution | 2400x1080 | 2656x1200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4800 mAh | 7000 mAh | |
| Charging | 25W | 100W | |
| Wireless charging | 15W | 50W | |
| Main camera | 12 MP | 50 MP | |
| Ultrawide | 12 MP | 50 MP | |
| Telephoto | 64 MP | 50 MP | |
| Front camera | 10 MP | 50 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB | |
| OS | Android 11 | Android 16 / HyperOS 3 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68 | |
| Dimensions | — | 151.1×71.8×8.1 mm | |
| Weight | 200 g | 191 g | |
| Launch price | $999 | $709 |
Samsung Galaxy S21+
- Main: 12MP f/1.8
- Ultrawide: 12MP
- Telephoto: 64MP
- Front: 10MP
Xiaomi 17
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Samsung Galaxy S21+
- 6.7" Dynamic AMOLED 2X
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Xiaomi 17
- 6.3" LTPO AMOLED
- Resolution: 2656x1200
- Refresh rate: 120 Hz
Samsung Galaxy S21+
- 4800 mAh
- Wired: 25W
- Wireless: 15W
Xiaomi 17
- 7000 mAh
- NanoReview test: web browsing 15:00 hrs, total 33:58 hrs
- Wired: 100W
- Wireless: 50W
We compared Samsung Galaxy S21+ and Xiaomi 17, covering their specs and all relevant benchmarks.
Xiaomi 17 leads Samsung Galaxy S21+ by 68.9% in our overall performance rating.
Launch price difference: $290. Xiaomi 17 was $290 cheaper at launch.
performance
In the "performance" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (95/100 vs 62/100).
display
In the "display" category, the Xiaomi 17 is a bit better (85/100 vs 79/100).
camera
In the "camera" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (81/100 vs 42/100).
battery
In the "battery" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (87/100 vs 48/100).
portability
In the "portability" category, the Xiaomi 17 and the Samsung Galaxy S21+ are nearly equal (63/100 vs 60/100).
value for money
In the "value for money" category, the Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ (86/100 vs 26/100).
Which is better: the Samsung Galaxy S21+ or the Xiaomi 17?
The Xiaomi 17 significantly outperforms the Samsung Galaxy S21+ by 30 points (87/100 vs 57/100).
What is the rating of the Samsung Galaxy S21+ and the Xiaomi 17?
The Samsung Galaxy S21+ has a MobileRank rating of 57/100, the Xiaomi 17 — 87/100.
Which has the better camera: the Samsung Galaxy S21+ or the Xiaomi 17?
The Xiaomi 17 leads on camera score (81/100 vs 42/100).
Which is more powerful: the Samsung Galaxy S21+ or the Xiaomi 17?
The Xiaomi 17 leads on performance (95/100 vs 62/100).
Should you choose the Samsung Galaxy S21+ over the Xiaomi 17?
The Samsung Galaxy S21+ is a better fit for active users. The Xiaomi 17 is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.