Vivo S21 Pro vs Xiaomi 17 Ultra (China)
The Vivo S21 Pro (2024) runs on the MediaTek Dimensity 9300+, while the Xiaomi 17 Ultra (China) (2025) runs on the Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Xiaomi 17 Ultra (China) leads — 87/100 vs 79/100 (a 8-point difference). Key differences: the Xiaomi 17 Ultra (China) has the bigger battery (6800 mAh vs 5500); the Xiaomi 17 Ultra (China) is faster in AnTuTu (3,942,923 vs 2,351,914).
Vivo S21 Pro
Xiaomi 17 Ultra (China)
- Better display (85/100 vs 81/100)
- Higher AnTuTu: 3942923 vs 2351914
- Better Geekbench Single: 3640 vs 2250
- Better Geekbench Multi: 11033 vs 7315
- Bigger battery: 6800 vs 5500 mAh
- Higher performance (98/100 vs 83/100)
- Better camera (87/100 vs 81/100)
- Longer battery life (83/100 vs 64/100)
Comparing the Vivo S21 Pro vs the Xiaomi 17 Ultra (China), the Xiaomi 17 Ultra (China) scores 8 points higher (87/100 vs 79/100). In the "performance" category, the Xiaomi 17 Ultra (China) leads (98/100 vs 83/100). In the "battery" category, the Xiaomi 17 Ultra (China) leads (83/100 vs 64/100). In the "performance" category, the Xiaomi 17 Ultra (China) notably outperforms the Vivo S21 Pro (98/100 vs 83/100). In the "display" category, the Vivo S21 Pro and the Xiaomi 17 Ultra (China) are nearly equal (85/100 vs 81/100). In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 81/100). In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Vivo S21 Pro (83/100 vs 64/100).
| Specification | Vivo S21 Pro | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9300+ | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2351914 | 3942923 | |
| Geekbench Single | 2250 | 3640 | |
| Geekbench Multi | 7315 | 11033 | |
| Display | 6.7" AMOLED | 6.9" LTPO AMOLED | |
| Resolution | 1260x2800 | 1200x2608 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5500 mAh | 6800 mAh | |
| Charging | 90W | 90W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 50 MP | 200 MP | |
| Front camera | 50 MP | 50 MP | |
| RAM | 16GB | 12GB / 16GB | |
| Storage | 512GB | 512GB / 1TB | |
| OS | Android 15, OriginOS 5 | Android 16 | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | — | 162.9×77.6×8.3 mm | |
| Weight | — | 224 g | |
| Launch price | — | $892 |
Vivo S21 Pro
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Vivo S21 Pro
- 6.7" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Xiaomi 17 Ultra (China)
- 6.9" LTPO AMOLED
- Resolution: 1200x2608
- Refresh rate: 120 Hz
Vivo S21 Pro
- 5500 mAh
- Wired: 90W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
We compared Vivo S21 Pro and Xiaomi 17 Ultra (China), covering their specs and all relevant benchmarks.
Xiaomi 17 Ultra (China) leads Vivo S21 Pro by 40.4% in our overall performance rating.
Vivo S21 Pro
Price unknownperformance
In the "performance" category, the Xiaomi 17 Ultra (China) notably outperforms the Vivo S21 Pro (98/100 vs 83/100).
display
In the "display" category, the Vivo S21 Pro and the Xiaomi 17 Ultra (China) are nearly equal (85/100 vs 81/100).
camera
In the "camera" category, the Xiaomi 17 Ultra (China) is a bit better (87/100 vs 81/100).
battery
In the "battery" category, the Xiaomi 17 Ultra (China) notably outperforms the Vivo S21 Pro (83/100 vs 64/100).
Which is better: the Vivo S21 Pro or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) edges out the Vivo S21 Pro by just 8 points — the two devices are very close in overall level.
What is the rating of the Vivo S21 Pro and the Xiaomi 17 Ultra (China)?
The Vivo S21 Pro has a MobileRank rating of 79/100, the Xiaomi 17 Ultra (China) — 87/100.
Which has the better camera: the Vivo S21 Pro or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on camera score (87/100 vs 81/100).
Which is more powerful: the Vivo S21 Pro or the Xiaomi 17 Ultra (China)?
The Xiaomi 17 Ultra (China) leads on performance (98/100 vs 83/100).
Should you choose the Vivo S21 Pro over the Xiaomi 17 Ultra (China)?
The Vivo S21 Pro is a better fit for gamers and power users, mobile photography enthusiasts. The Xiaomi 17 Ultra (China) is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.