Vivo iQOO 15 Ultra vs Xiaomi 12S
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi 12S (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 89/100 vs 63/100 (a 26-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4500); the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,381,634); the Xiaomi 12S is noticeably lighter (179g vs 227g).
Profile comparison
Category scores
Vivo iQOO 15 Ultra
Xiaomi 12S
What makes Vivo iQOO 15 Ultra better?
- Higher AnTuTu: 4602290 vs 1381634
- Better Geekbench Single: 3639 vs 1761
- Better Geekbench Multi: 11047 vs 4688
- Bigger battery: 7400 vs 4500 mAh
- Faster charging: 120W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (99/100 vs 71/100)
- Better camera (78/100 vs 44/100)
- Longer battery life (92/100 vs 57/100)
- Better display (99/100 vs 82/100)
What makes Xiaomi 12S better?
- Lighter: 179g vs 227g
- Better portability (69/100 vs 35/100)
Comparison verdict
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi 12S, the Vivo iQOO 15 Ultra scores 26 points higher (89/100 vs 63/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (99/100 vs 71/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (92/100 vs 57/100). In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 12S (99/100 vs 71/100). In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 12S (99/100 vs 82/100). In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 12S (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 12S (92/100 vs 57/100). In the "portability" category, the Xiaomi 12S significantly outperforms the Vivo iQOO 15 Ultra (69/100 vs 35/100).
Specs comparison
| Specification | Vivo iQOO 15 Ultra | Xiaomi 12S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 4602290 | 1381634 | |
| Geekbench Single | 3639 | 1761 | |
| Geekbench Multi | 11047 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.3" AMOLED | |
| Resolution | 1440x3168 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 4500 mAh | |
| Charging | 120W | 67W | |
| Wireless charging | 50W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 13 MP | |
| Telephoto | 50 MP | 5 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 8000 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.7 mm | 152.7×69.9×8.2 mm | |
| Weight | 227 g | 179 g | |
| Launch price | $799 | — |
Camera comparison
Vivo iQOO 15 Ultra
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S
- Main: 50MP f/1.9
- Ultrawide: 13MP
- Telephoto: 5MP
- Front: 32MP
Display comparison
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 12S
- 6.3" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi 12S
- 4500 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO 15 Ultra and Xiaomi 12S, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi 12S by 233.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi 12S
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 12S (99/100 vs 71/100).
display
In the "display" category, the Vivo iQOO 15 Ultra notably outperforms the Xiaomi 12S (99/100 vs 82/100).
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 12S (78/100 vs 44/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 12S (92/100 vs 57/100).
portability
In the "portability" category, the Xiaomi 12S significantly outperforms the Vivo iQOO 15 Ultra (69/100 vs 35/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi 12S?
The Vivo iQOO 15 Ultra significantly outperforms the Xiaomi 12S by 26 points (89/100 vs 63/100).
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi 12S?
The Vivo iQOO 15 Ultra has a MobileRank rating of 89/100, the Xiaomi 12S — 63/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi 12S?
The Vivo iQOO 15 Ultra leads on camera score (78/100 vs 44/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi 12S?
The Vivo iQOO 15 Ultra leads on performance (99/100 vs 71/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi 12S?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12S is a better fit for active users.