Vivo iQOO 15 vs Xiaomi 12S Ultra
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S Ultra (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 71/100 (a 15-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4800); the main camera is 50 MP vs 3 MP; the Vivo iQOO 15 is faster in AnTuTu (3,758,268 vs 1,627,862); the Vivo iQOO 15 is thinner (8.1mm vs 9.1mm).
Profile comparison
Category scores
Vivo iQOO 15
Xiaomi 12S Ultra
What makes Vivo iQOO 15 better?
- Higher AnTuTu: 3758268 vs 1627862
- Better Geekbench Single: 3013 vs 1761
- Better Geekbench Multi: 9287 vs 4688
- Bigger battery: 7000 vs 4800 mAh
- Faster charging: 100W vs 67W
- Better main camera: 50MP vs 3MP
- Higher refresh rate: 144Hz vs 120Hz
- Lighter: 215g vs 225g
- Higher performance (94/100 vs 73/100)
- Better camera (78/100 vs 70/100)
- Longer battery life (85/100 vs 64/100)
- Better display (99/100 vs 90/100)
- Better portability (48/100 vs 32/100)
What makes Xiaomi 12S Ultra better?
- Faster wireless charging: 50W vs 40W
- Overall rating 71/100
Comparison verdict
Comparing the Vivo iQOO 15 vs the Xiaomi 12S Ultra, the Vivo iQOO 15 scores 15 points higher (86/100 vs 71/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 73/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 64/100). In the "performance" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (94/100 vs 73/100). In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100). In the "camera" category, the Vivo iQOO 15 is a bit better (78/100 vs 70/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (85/100 vs 64/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (48/100 vs 32/100).
Specs comparison
| Specification | Vivo iQOO 15 | Xiaomi 12S Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3758268 | 1627862 | |
| Geekbench Single | 3013 | 1761 | |
| Geekbench Multi | 9287 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.7" LTPO2 AMOLED | |
| Resolution | 1440x3168 | 1440x3200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4800 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 40W | 50W | |
| DXOMark (camera) | — | 136 | |
| Main camera | 50 MP | 3 MP | |
| Ultrawide | 50 MP | 48 MP | |
| Telephoto | 50 MP | 48 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 12GB / 16GB | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 6000 nits | 1500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68 | |
| Dimensions | 163.7×76.8×8.1 mm | 163.2×75.0×9.1 mm | |
| Weight | 215 g | 225 g | |
| Launch price | $599 | — |
Camera comparison
Vivo iQOO 15
- Main: 50MP f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S Ultra
- Main: 3MP f/1.9
- Ultrawide: 48MP
- Telephoto: 48MP
- Front: 32MP
Display comparison
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 12S Ultra
- 6.7" LTPO2 AMOLED
- Resolution: 1440x3200
- Refresh rate: 120 Hz
Battery and charging
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi 12S Ultra
- 4800 mAh
- Wired: 67W
- Wireless: 50W
Overall performance score
We compared Vivo iQOO 15 and Xiaomi 12S Ultra, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi 12S Ultra by 130.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi 12S Ultra
Price unknownDetailed category analysis
performance
In the "performance" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (94/100 vs 73/100).
display
In the "display" category, the Vivo iQOO 15 is a bit better (99/100 vs 90/100).
camera
In the "camera" category, the Vivo iQOO 15 is a bit better (78/100 vs 70/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (85/100 vs 64/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S Ultra (48/100 vs 32/100).
Frequently asked questions
Which is better: the Vivo iQOO 15 or the Xiaomi 12S Ultra?
The Vivo iQOO 15 is noticeably better than the Xiaomi 12S Ultra — the overall rating gap is 15 points.
What is the rating of the Vivo iQOO 15 and the Xiaomi 12S Ultra?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Xiaomi 12S Ultra — 71/100.
Which has the better camera: the Vivo iQOO 15 or the Xiaomi 12S Ultra?
The Vivo iQOO 15 leads on camera score (78/100 vs 70/100).
Which is more powerful: the Vivo iQOO 15 or the Xiaomi 12S Ultra?
The Vivo iQOO 15 leads on performance (94/100 vs 73/100).
Should you choose the Vivo iQOO 15 over the Xiaomi 12S Ultra?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi 12S Ultra is a better fit for active users.