Vivo iQOO 15 Ultra vs Xiaomi Mi 11i
The Vivo iQOO 15 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi 11i (2021) runs on the Qualcomm Snapdragon 888. By overall MobileRank rating, the Vivo iQOO 15 Ultra leads — 84/100 vs 36/100 (a 48-point difference). Key differences: the Vivo iQOO 15 Ultra has the bigger battery (7400 mAh vs 4520); the main camera is 50 MP vs 108 MP; the Vivo iQOO 15 Ultra is faster in AnTuTu (4,602,290 vs 1,119,714); the Xiaomi Mi 11i is noticeably lighter (196g vs 227g).
Vivo iQOO 15 Ultra
Xiaomi Mi 11i
- Higher AnTuTu: 4602290 vs 1119714
- Better Geekbench Single: 3640 vs 1488
- Better Geekbench Multi: 11033 vs 3373
- Bigger battery: 7400 vs 4520 mAh
- Faster charging: 120W vs 33W
- Higher refresh rate: 144Hz vs 120Hz
- Higher performance (97/100 vs 11/100)
- Better camera (74/100 vs 43/100)
- Longer battery life (86/100 vs 28/100)
- Better main camera: 108MP vs 50MP
- Lighter: 196g vs 227g
- Better design/ergonomics (55/100 vs 16/100)
Comparing the Vivo iQOO 15 Ultra vs the Xiaomi Mi 11i, the Vivo iQOO 15 Ultra scores 48 points higher (84/100 vs 36/100). In the "performance" category, the Vivo iQOO 15 Ultra leads (97/100 vs 11/100). In the "camera" category, the Vivo iQOO 15 Ultra leads (74/100 vs 43/100). In the "battery" category, the Vivo iQOO 15 Ultra leads (86/100 vs 28/100). In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (97/100 vs 11/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (74/100 vs 43/100). In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (86/100 vs 28/100). In the "design" category, the Xiaomi Mi 11i significantly outperforms the Vivo iQOO 15 Ultra (55/100 vs 16/100). In the "value for money" category, both devices are on the same level — 55/100.
| Specification | Vivo iQOO 15 Ultra | Xiaomi Mi 11i | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 888 | |
| AnTuTu | 4602290 | 1119714 | |
| Geekbench Single | 3640 | 1488 | |
| Geekbench Multi | 11033 | 3373 | |
| Display | 6.8" LTPO AMOLED | 6.7" Super AMOLED | |
| Resolution | 1440x3168 | 1080x2400 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7400 mAh | 4520 mAh | |
| Charging | 120W | 33W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB / 24GB | 8GB | |
| Storage | 256GB / 512GB / 1TB | 128GB / 256GB | |
| OS | Android 16 | Android 11, MIUI 12 | |
| Brightness (peak) | 8000 nits | 1300 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP53 | |
| Dimensions | 163.7×76.8×8.7 mm | 163.7×76.4×7.8 mm | |
| Weight | 227 g | 196 g | |
| Price | $799 | — |
Vivo iQOO 15 Ultra
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi 11i
- Main: 108MP f/f/1.8
- Ultrawide: 8MP
- Front: 20MP
Vivo iQOO 15 Ultra
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi Mi 11i
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Vivo iQOO 15 Ultra
- 7400 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi Mi 11i
- 4520 mAh
- Wired: 33W
- No wireless charging
We compared Vivo iQOO 15 Ultra and Xiaomi Mi 11i, covering their specs and all relevant benchmarks.
Vivo iQOO 15 Ultra leads Xiaomi Mi 11i by 311.0% in our overall performance rating.
Xiaomi Mi 11i
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (97/100 vs 11/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (74/100 vs 43/100).
battery
In the "battery" category, the Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i (86/100 vs 28/100).
design
In the "design" category, the Xiaomi Mi 11i significantly outperforms the Vivo iQOO 15 Ultra (55/100 vs 16/100).
value for money
In the "value for money" category, both devices are on the same level — 55/100.
Which is better: the Vivo iQOO 15 Ultra or the Xiaomi Mi 11i?
The Vivo iQOO 15 Ultra significantly outperforms the Xiaomi Mi 11i by 48 points (84/100 vs 36/100).
What is the rating of the Vivo iQOO 15 Ultra and the Xiaomi Mi 11i?
The Vivo iQOO 15 Ultra has a MobileRank rating of 84/100, the Xiaomi Mi 11i — 36/100.
Which has the better camera: the Vivo iQOO 15 Ultra or the Xiaomi Mi 11i?
The Vivo iQOO 15 Ultra leads on camera score (74/100 vs 43/100).
Which is more powerful: the Vivo iQOO 15 Ultra or the Xiaomi Mi 11i?
The Vivo iQOO 15 Ultra leads on performance (97/100 vs 11/100).
Should you choose the Vivo iQOO 15 Ultra over the Xiaomi Mi 11i?
The Vivo iQOO 15 Ultra is a better fit for gamers and power users, those who care about battery life. The Xiaomi Mi 11i is a better fit for everyday use.