Vivo S17 vs Xiaomi 15 Ultra
The Vivo S17 (2023) runs on the Qualcomm Snapdragon 778G+ 5G, while the Xiaomi 15 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Xiaomi 15 Ultra leads — 85/100 vs 56/100 (a 29-point difference). Key differences: the Xiaomi 15 Ultra has the bigger battery (6000 mAh vs 4600); the Xiaomi 15 Ultra is faster in AnTuTu (3,030,376 vs 820,210); the Vivo S17 is noticeably lighter (186g vs 225g).
Profile comparison
Category scores
Vivo S17
Xiaomi 15 Ultra
What makes Vivo S17 better?
- Lighter: 186g vs 225g
- Better portability (72/100 vs 29/100)
What makes Xiaomi 15 Ultra better?
- Higher AnTuTu: 3030376 vs 820210
- Better Geekbench Single: 3050 vs 1059
- Better Geekbench Multi: 10200 vs 3012
- Bigger battery: 6000 vs 4600 mAh
- Faster charging: 90W vs 80W
- Higher performance (92/100 vs 55/100)
- Better camera (87/100 vs 44/100)
- Longer battery life (80/100 vs 47/100)
- Better display (90/100 vs 84/100)
Comparison verdict
Comparing the Vivo S17 vs the Xiaomi 15 Ultra, the Xiaomi 15 Ultra scores 29 points higher (85/100 vs 56/100). In the "performance" category, the Xiaomi 15 Ultra leads (92/100 vs 55/100). In the "camera" category, the Xiaomi 15 Ultra leads (87/100 vs 44/100). In the "battery" category, the Xiaomi 15 Ultra leads (80/100 vs 47/100). In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (92/100 vs 55/100). In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100). In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (87/100 vs 44/100). In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (80/100 vs 47/100). In the "portability" category, the Vivo S17 significantly outperforms the Xiaomi 15 Ultra (72/100 vs 29/100).
Specs comparison
| Specification | Vivo S17 | Xiaomi 15 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 778G+ 5G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 820210 | 3030376 | |
| Geekbench Single | 1059 | 3050 | |
| Geekbench Multi | 3012 | 10200 | |
| Display | 6.8" AMOLED | 6.7" LTPO AMOLED | |
| Resolution | 1260x2800 | 3200x1440 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4600 mAh | 6000 mAh | |
| Charging | 80W | 90W | |
| Wireless charging | 0W | 50W | |
| DXOMark (camera) | — | 159 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 50 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 13, OriginOS 3 | Android 15 / HyperOS 2 | |
| Brightness (peak) | 1300 nits | 3200 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 164.2×74.4×7.5 mm | 161.3×75.3×9.4 mm | |
| Weight | 186 g | 225 g | |
| Launch price | — | $999 |
Camera comparison
Vivo S17
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Front: 50MP
Xiaomi 15 Ultra
- Main: 50MP f/1.63
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Vivo S17
- 6.8" AMOLED
- Resolution: 1260x2800
- Refresh rate: 120 Hz
Xiaomi 15 Ultra
- 6.7" LTPO AMOLED
- Resolution: 3200x1440
- Refresh rate: 120 Hz
Battery and charging
Vivo S17
- 4600 mAh
- Wired: 80W
- No wireless charging
Xiaomi 15 Ultra
- 6000 mAh
- NanoReview test: web browsing 12:19 hrs, total 30:03 hrs
- Wired: 90W
- Wireless: 50W
Overall performance score
We compared Vivo S17 and Xiaomi 15 Ultra, covering their specs and all relevant benchmarks.
Xiaomi 15 Ultra leads Vivo S17 by 72.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Vivo S17
Price unknownDetailed category analysis
performance
In the "performance" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (92/100 vs 55/100).
display
In the "display" category, the Xiaomi 15 Ultra is a bit better (90/100 vs 84/100).
camera
In the "camera" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (87/100 vs 44/100).
battery
In the "battery" category, the Xiaomi 15 Ultra significantly outperforms the Vivo S17 (80/100 vs 47/100).
portability
In the "portability" category, the Vivo S17 significantly outperforms the Xiaomi 15 Ultra (72/100 vs 29/100).
Frequently asked questions
Which is better: the Vivo S17 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra significantly outperforms the Vivo S17 by 29 points (85/100 vs 56/100).
What is the rating of the Vivo S17 and the Xiaomi 15 Ultra?
The Vivo S17 has a MobileRank rating of 56/100, the Xiaomi 15 Ultra — 85/100.
Which has the better camera: the Vivo S17 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on camera score (87/100 vs 44/100).
Which is more powerful: the Vivo S17 or the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Vivo S17 over the Xiaomi 15 Ultra?
The Xiaomi 15 Ultra is a better fit for gamers and power users, mobile photography enthusiasts, those who care about battery life, budget-conscious buyers.