Vivo iQOO 15 vs Xiaomi Mi Mix Alpha
The Vivo iQOO 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Xiaomi Mi Mix Alpha (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the Vivo iQOO 15 leads — 86/100 vs 52/100 (a 34-point difference). Key differences: the Vivo iQOO 15 has the bigger battery (7000 mAh vs 4050); the main camera is 50 MP vs 108 MP; the Vivo iQOO 15 is faster in AnTuTu (3,740,528 vs 859,084); the Vivo iQOO 15 has NFC for contactless payments, the Xiaomi Mi Mix Alpha doesn't; the Vivo iQOO 15 is noticeably lighter (215g vs 241g).
Vivo iQOO 15
Xiaomi Mi Mix Alpha
- Higher AnTuTu: 3740528 vs 859084
- Better Geekbench Single: 3041 vs 1031
- Better Geekbench Multi: 9494 vs 2864
- Bigger battery: 7000 vs 4050 mAh
- Faster charging: 100W vs 40W
- Lighter: 215g vs 241g
- Higher performance (94/100 vs 55/100)
- Better camera (78/100 vs 56/100)
- Longer battery life (85/100 vs 27/100)
- Better display (99/100 vs 80/100)
- Better portability (48/100 vs 20/100)
- Better main camera: 108MP vs 50MP
- Overall rating 52/100
Comparing the Vivo iQOO 15 vs the Xiaomi Mi Mix Alpha, the Vivo iQOO 15 scores 34 points higher (86/100 vs 52/100). In the "performance" category, the Vivo iQOO 15 leads (94/100 vs 55/100). In the "camera" category, the Vivo iQOO 15 leads (78/100 vs 56/100). In the "battery" category, the Vivo iQOO 15 leads (85/100 vs 27/100). In the "performance" category, the Vivo iQOO 15 significantly outperforms the Xiaomi Mi Mix Alpha (94/100 vs 55/100). In the "display" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (99/100 vs 80/100). In the "camera" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (78/100 vs 56/100). In the "battery" category, the Vivo iQOO 15 significantly outperforms the Xiaomi Mi Mix Alpha (85/100 vs 27/100). In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (48/100 vs 20/100).
| Specification | Vivo iQOO 15 | Xiaomi Mi Mix Alpha | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3740528 | 859084 | |
| Geekbench Single | 3041 | 1031 | |
| Geekbench Multi | 9494 | 2864 | |
| Display | 6.8" LTPO AMOLED | 7.9" Flexible Super AMOLED | |
| Resolution | 1440x3168 | 2088x2250 | |
| Refresh rate | 144 Hz | — | |
| Battery | 7000 mAh | 4050 mAh | |
| Charging | 100W | 40W | |
| Wireless charging | 40W | 0W | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 50 MP | 20 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 32 MP | — | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB / 1TB | 512GB | |
| OS | Android 16 | Android 10 | |
| Brightness (peak) | 6000 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 163.7×76.8×8.1 mm | 154.4×72.3×10.4 mm | |
| Weight | 215 g | 241 g | |
| Launch price | $599 | — |
Vivo iQOO 15
- Main: 50MP f/f/1.9
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi Mix Alpha
- Main: 108MP f/f/1.7
- Ultrawide: 20MP
- Telephoto: 12MP
- Front: —
Vivo iQOO 15
- 6.8" LTPO AMOLED
- Resolution: 1440x3168
- Refresh rate: 144 Hz
Xiaomi Mi Mix Alpha
- 7.9" Flexible Super AMOLED
- Resolution: 2088x2250
- Refresh rate: —
Vivo iQOO 15
- 7000 mAh
- NanoReview test: web browsing 18:52 hrs, total 39:26 hrs
- Wired: 100W
- Wireless: 40W
Xiaomi Mi Mix Alpha
- 4050 mAh
- Wired: 40W
- No wireless charging
We compared Vivo iQOO 15 and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.
Vivo iQOO 15 leads Xiaomi Mi Mix Alpha by 335.4% in our overall performance rating.
Xiaomi Mi Mix Alpha
Price unknownperformance
In the "performance" category, the Vivo iQOO 15 significantly outperforms the Xiaomi Mi Mix Alpha (94/100 vs 55/100).
display
In the "display" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (99/100 vs 80/100).
camera
In the "camera" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (78/100 vs 56/100).
battery
In the "battery" category, the Vivo iQOO 15 significantly outperforms the Xiaomi Mi Mix Alpha (85/100 vs 27/100).
portability
In the "portability" category, the Vivo iQOO 15 notably outperforms the Xiaomi Mi Mix Alpha (48/100 vs 20/100).
Which is better: the Vivo iQOO 15 or the Xiaomi Mi Mix Alpha?
The Vivo iQOO 15 significantly outperforms the Xiaomi Mi Mix Alpha by 34 points (86/100 vs 52/100).
What is the rating of the Vivo iQOO 15 and the Xiaomi Mi Mix Alpha?
The Vivo iQOO 15 has a MobileRank rating of 86/100, the Xiaomi Mi Mix Alpha — 52/100.
Which has the better camera: the Vivo iQOO 15 or the Xiaomi Mi Mix Alpha?
The Vivo iQOO 15 leads on camera score (78/100 vs 56/100).
Which is more powerful: the Vivo iQOO 15 or the Xiaomi Mi Mix Alpha?
The Vivo iQOO 15 leads on performance (94/100 vs 55/100).
Should you choose the Vivo iQOO 15 over the Xiaomi Mi Mix Alpha?
The Vivo iQOO 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Xiaomi Mi Mix Alpha is a better fit for everyday use.