Vivo iQOO 15 vs Xiaomi 12S
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi 12S (2022) runs on the Qualcomm Snapdragon 8+ Gen 1. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 63/100 (a 23-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4500); the Vivo iQOO 15 is faster in AnTuTu (3,714,661 vs 1,381,634); the Xiaomi 12S is noticeably lighter (179g vs 215g).
Vivo iQOO 15
Xiaomi 12S
- Higher AnTuTu: 3714661 vs 1381634
- Better Geekbench Single: 3041 vs 1761
- Better Geekbench Multi: 9494 vs 4688
- Bigger battery: 7000 vs 4500 mAh
- Faster charging: 100W vs 67W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (94/100 vs 71/100)
- Better camera (78/100 vs 44/100)
- Longer battery life (85/100 vs 57/100)
- Better display (99/100 vs 82/100)
- Faster wireless charging: 50W vs 40W
- Lighter: 179g vs 215g
- Better portability (69/100 vs 48/100)
Comparing the Vivo iQOO 15 vs the Xiaomi 12S, the Vivo iQOO 15 scores 23 points higher (86/100 vs 63/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 71/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 57/100). In the "performance" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (94/100 vs 71/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (99/100 vs 82/100). In the "camera" category, the Vivo iQOO 15 significantly outperforms the Xiaomi 12S (78/100 vs 44/100). In the "battery" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (85/100 vs 57/100). In the "portability" category, the Xiaomi 12S notably outperforms the Vivo iQOO 15 (69/100 vs 48/100).
| Specification | Vivo iQOO 15 | Xiaomi 12S | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8+ Gen 1 | |
| AnTuTu | 3714661 | 1381634 | |
| Geekbench Single | 3041 | 1761 | |
| Geekbench Multi | 9494 | 4688 | |
| Display | 6.8" LTPO AMOLED | 6.3" AMOLED | |
| Resolution | 1440x3168 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 4500 mAh | |
| Charging | 100W | 67W | |
| Wireless charging | 40W | 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 | 8GB / 12GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB / 512GB | |
| OS | Android 16 | Android 12, MIUI 13 | |
| Brightness (peak) | 6000 nits | 1100 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 152.7×69.9×8.2 mm | |
| Weight | 215 g | 179 g | |
| Launch price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi 12S
- Main: 50MP f/f/1.9
- Ultrawide: 13MP
- Telephoto: 5MP
- Front: 32MP
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi 12S
- 6.3" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi 12S
- 4500 mAh
- Wired: 67W
- Wireless: 50W
We compared Vivo iQOO 15 and Xiaomi 12S, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi 12S by 168.9% in our overall performance rating.
Xiaomi 12S
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (94/100 vs 71/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (99/100 vs 82/100).
camera
In the "camera" category, the Vivo iQOO 15 significantly outperforms the Xiaomi 12S (78/100 vs 44/100).
battery
In the "battery" category, the Vivo iQOO 15 notably outperforms the Xiaomi 12S (85/100 vs 57/100).
portability
In the "portability" category, the Xiaomi 12S notably outperforms the Vivo iQOO 15 (69/100 vs 48/100).
Which is better: the Vivo iQOO 15 or the Xiaomi 12S?
The Vivo iQOO 15 significantly outperforms the Xiaomi 12S by 23 points (86/100 vs 63/100).
What is the rating of the Vivo iQOO 15 and the Xiaomi 12S?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Xiaomi 12S — 63/100.
Which has the better camera: the Vivo iQOO 15 or the Xiaomi 12S?
The Vivo iQOO 15 leads on camera score (78/100 vs 44/100).
Which is more powerful: the Vivo iQOO 15 or the Xiaomi 12S?
The Vivo iQOO 15 leads on performance (94/100 vs 71/100).
Should you choose the Vivo iQOO 15 over the Xiaomi 12S?
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 is a better fit for active users.