OnePlus 15s vs Xiaomi Mi Mix Alpha
The OnePlus 15s (2026) 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 15s leads — 83/100 vs 52/100 (a 31-point difference). Key differences: the OnePlus 15s has the bigger battery (7500 mAh vs 4050); the main camera is 50 MP vs 108 MP; the OnePlus 15s is faster in AnTuTu (3,950,082 vs 859,084); the OnePlus 15s is noticeably lighter (195g vs 241g).
Profile comparison
Category scores
OnePlus 15s
Xiaomi Mi Mix Alpha
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 859084
- Better Geekbench Single: 3639 vs 1031
- Better Geekbench Multi: 11047 vs 2864
- Bigger battery: 7500 vs 4050 mAh
- Faster charging: 100W vs 40W
- Lighter: 195g vs 241g
- Higher performance (98/100 vs 55/100)
- Longer battery life (89/100 vs 27/100)
- Better display (95/100 vs 80/100)
- Better portability (64/100 vs 20/100)
What makes Xiaomi Mi Mix Alpha better?
- Better main camera: 108MP vs 50MP
- Better camera (56/100 vs 53/100)
Comparison verdict
Comparing the OnePlus 15s vs the Xiaomi Mi Mix Alpha, the OnePlus 15s scores 31 points higher (83/100 vs 52/100). In the "performance" category, the OnePlus 15s leads (98/100 vs 55/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 27/100). In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (98/100 vs 55/100). In the "display" category, the OnePlus 15s notably outperforms the Xiaomi Mi Mix Alpha (95/100 vs 80/100). In the "camera" category, the Xiaomi Mi Mix Alpha and the OnePlus 15s are nearly equal (56/100 vs 53/100). In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (89/100 vs 27/100). In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (64/100 vs 20/100).
Specs comparison
| Specification | OnePlus 15s | Xiaomi Mi Mix Alpha | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3950082 | 859084 | |
| Geekbench Single | 3639 | 1031 | |
| Geekbench Multi | 11047 | 2864 | |
| Display | 6.3" AMOLED | 7.9" Flexible Super AMOLED | |
| Resolution | 2640x1216 | 2088x2250 | |
| Refresh rate | 165 Hz | — | |
| Battery | 7500 mAh | 4050 mAh | |
| Charging | 100W | 40W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 108 MP | |
| Ultrawide | 0 MP | 20 MP | |
| Telephoto | 50 MP | 12 MP | |
| Front camera | 16 MP | — | |
| RAM | 12GB | 12GB | |
| Storage | 256GB / 512GB | 512GB | |
| OS | Android 16 | Android 10 | |
| NFC | — | no | |
| Dimensions | — | 154.4×72.3×10.4 mm | |
| Weight | 195 g | 241 g | |
| Launch price | $700 | — |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi Mi Mix Alpha
- Main: 108MP f/1.7
- Ultrawide: 20MP
- Telephoto: 12MP
- Front: —
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi Mi Mix Alpha
- 7.9" Flexible Super AMOLED
- Resolution: 2088x2250
- Refresh rate: —
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi Mi Mix Alpha
- 4050 mAh
- Wired: 40W
- No wireless charging
Overall performance score
We compared OnePlus 15s and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.
OnePlus 15s leads Xiaomi Mi Mix Alpha by 359.8% 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 15s significantly outperforms the Xiaomi Mi Mix Alpha (98/100 vs 55/100).
display
In the "display" category, the OnePlus 15s notably outperforms the Xiaomi Mi Mix Alpha (95/100 vs 80/100).
camera
In the "camera" category, the Xiaomi Mi Mix Alpha and the OnePlus 15s are nearly equal (56/100 vs 53/100).
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (89/100 vs 27/100).
portability
In the "portability" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (64/100 vs 20/100).
Frequently asked questions
Which is better: the OnePlus 15s or the Xiaomi Mi Mix Alpha?
The OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha by 31 points (83/100 vs 52/100).
What is the rating of the OnePlus 15s and the Xiaomi Mi Mix Alpha?
The OnePlus 15s has a MobileRank rating of 83/100, the Xiaomi Mi Mix Alpha — 52/100.
Which is more powerful: the OnePlus 15s or the Xiaomi Mi Mix Alpha?
The OnePlus 15s leads on performance (98/100 vs 55/100).
Should you choose the OnePlus 15s over the Xiaomi Mi Mix Alpha?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.