OnePlus 15 vs Xiaomi Mi Mix Alpha
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Xiaomi Mi Mix Alpha (2019) runs on the Qualcomm Snapdragon 855+. By overall MobileRank rating, the OnePlus 15 leads — 86/100 vs 52/100 (a 34-point difference). Key differences: the OnePlus 15 has the bigger battery (6500 mAh vs 4050); the main camera is 50 MP vs 108 MP; the OnePlus 15 is faster in AnTuTu (3,606,149 vs 859,084); the OnePlus 15 has NFC for contactless payments, the Xiaomi Mi Mix Alpha doesn't; the OnePlus 15 is noticeably lighter (213g vs 241g).
Profile comparison
Category scores
OnePlus 15
Xiaomi Mi Mix Alpha
What makes OnePlus 15 better?
- Higher AnTuTu: 3606149 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 6500 vs 4050 mAh
- Faster charging: 120W vs 40W
- Lighter: 213g vs 241g
- Higher performance (97/100 vs 55/100)
- Better camera (78/100 vs 56/100)
- Longer battery life (89/100 vs 27/100)
- Better display (84/100 vs 80/100)
- Better portability (50/100 vs 20/100)
What makes Xiaomi Mi Mix Alpha better?
- Better main camera: 108MP vs 50MP
- Overall rating 52/100
Comparison verdict
Comparing the OnePlus 15 vs the Xiaomi Mi Mix Alpha, the OnePlus 15 scores 34 points higher (86/100 vs 52/100). In the "performance" category, the OnePlus 15 leads (97/100 vs 55/100). In the "camera" category, the OnePlus 15 leads (78/100 vs 56/100). In the "battery" category, the OnePlus 15 leads (89/100 vs 27/100). In the "performance" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (97/100 vs 55/100). In the "display" category, the OnePlus 15 and the Xiaomi Mi Mix Alpha are nearly equal (84/100 vs 80/100). In the "camera" category, the OnePlus 15 notably outperforms the Xiaomi Mi Mix Alpha (78/100 vs 56/100). In the "battery" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (89/100 vs 27/100). In the "portability" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (50/100 vs 20/100).
Specs comparison
| Specification | OnePlus 15 | Xiaomi Mi Mix Alpha | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3606149 | 859084 | |
| Geekbench Single | 3639 | 1031 | |
| Geekbench Multi | 11047 | 2864 | |
| Display | 6.8" AMOLED | 7.9" Flexible Super AMOLED | |
| Resolution | 1272x2772 | 2088x2250 | |
| Refresh rate | 120 Hz | — | |
| Battery | 6500 mAh | 4050 mAh | |
| Charging | 120W | 40W | |
| Wireless charging | 50W | 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 | 512GB | |
| OS | Android 16, OxygenOS 16 (Global), ColorOS 16 (China) | Android 10 | |
| Brightness (peak) | 1800 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 161.4×76.7×8.1 mm | 154.4×72.3×10.4 mm | |
| Weight | 213 g | 241 g | |
| Launch price | $799 | — |
Camera comparison
OnePlus 15
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Xiaomi Mi Mix Alpha
- Main: 108MP f/1.7
- Ultrawide: 20MP
- Telephoto: 12MP
- Front: —
Display comparison
OnePlus 15
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Xiaomi Mi Mix Alpha
- 7.9" Flexible Super AMOLED
- Resolution: 2088x2250
- Refresh rate: —
Battery and charging
OnePlus 15
- 6500 mAh
- Wired: 120W
- Wireless: 50W
Xiaomi Mi Mix Alpha
- 4050 mAh
- Wired: 40W
- No wireless charging
Overall performance score
We compared OnePlus 15 and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.
OnePlus 15 leads Xiaomi Mi Mix Alpha by 319.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Xiaomi Mi Mix Alpha
Price unknownDetailed category analysis
performance
In the "performance" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (97/100 vs 55/100).
display
In the "display" category, the OnePlus 15 and the Xiaomi Mi Mix Alpha are nearly equal (84/100 vs 80/100).
camera
In the "camera" category, the OnePlus 15 notably outperforms the Xiaomi Mi Mix Alpha (78/100 vs 56/100).
battery
In the "battery" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (89/100 vs 27/100).
portability
In the "portability" category, the OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha (50/100 vs 20/100).
Frequently asked questions
Which is better: the OnePlus 15 or the Xiaomi Mi Mix Alpha?
The OnePlus 15 significantly outperforms the Xiaomi Mi Mix Alpha by 34 points (86/100 vs 52/100).
What is the rating of the OnePlus 15 and the Xiaomi Mi Mix Alpha?
The OnePlus 15 has a MobileRank rating of 86/100, the Xiaomi Mi Mix Alpha — 52/100.
Which has the better camera: the OnePlus 15 or the Xiaomi Mi Mix Alpha?
The OnePlus 15 leads on camera score (78/100 vs 56/100).
Which is more powerful: the OnePlus 15 or the Xiaomi Mi Mix Alpha?
The OnePlus 15 leads on performance (97/100 vs 55/100).
Should you choose the OnePlus 15 over the Xiaomi Mi Mix Alpha?
The OnePlus 15 is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.