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 (3,950,082 vs 2,348,248).
Profile comparison
Category scores
Vivo S21 Pro
Xiaomi 17 Ultra (China)
What makes Vivo S21 Pro better?
- Better display (85/100 vs 81/100)
What makes Xiaomi 17 Ultra (China) better?
- Higher AnTuTu: 3950082 vs 2348248
- Better Geekbench Single: 3639 vs 2249
- Better Geekbench Multi: 11047 vs 7352
- 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)
Comparison verdict
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).
Specs comparison
| Specification | Vivo S21 Pro | Xiaomi 17 Ultra (China) | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9300+ | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 2348248 | 3950082 | |
| Geekbench Single | 2249 | 3639 | |
| Geekbench Multi | 7352 | 11047 | |
| 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 |
Camera comparison
Vivo S21 Pro
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Xiaomi 17 Ultra (China)
- Main: 50MP f/1.7
- Ultrawide: 50MP
- Telephoto: 200MP
- Front: 50MP
Display comparison
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
Battery and charging
Vivo S21 Pro
- 5500 mAh
- Wired: 90W
- No wireless charging
Xiaomi 17 Ultra (China)
- 6800 mAh
- Wired: 90W
- Wireless: 50W
Overall performance score
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 40.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S21 Pro
Price unknownDetailed category analysis
performance
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).
Frequently asked questions
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.