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 — 77/100 vs 18/100 (a 59-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 (3,942,923 vs 859,084); the OnePlus 15s is noticeably lighter (195g vs 241g).
OnePlus 15s
Xiaomi Mi Mix Alpha
- Higher AnTuTu: 3942923 vs 859084
- Better Geekbench Single: 3640 vs 1031
- Better Geekbench Multi: 11033 vs 2864
- Bigger battery: 7500 vs 4050 mAh
- Faster charging: 100W vs 40W
- Lighter: 195g vs 241g
- Higher performance (92/100 vs 2/100)
- Longer battery life (82/100 vs 18/100)
- Better display (100/100 vs 0/100)
- Better design/ergonomics (56/100 vs 0/100)
- Better value for money (62/100 vs 55/100)
- Better main camera: 108MP vs 50MP
- Overall rating 18/100
Comparing the OnePlus 15s vs the Xiaomi Mi Mix Alpha, the OnePlus 15s scores 59 points higher (77/100 vs 18/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 2/100). In the "battery" category, the OnePlus 15s leads (82/100 vs 18/100). In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (92/100 vs 2/100). In the "display" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (100/100 vs 0/100). In the "camera" category, both devices are on the same level — 48/100. In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (82/100 vs 18/100). In the "design" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (56/100 vs 0/100). In the "value for money" category, the OnePlus 15s is a bit better (62/100 vs 55/100).
| Specification | OnePlus 15s | Xiaomi Mi Mix Alpha | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 855+ | |
| AnTuTu | 3942923 | 859084 | |
| Geekbench Single | 3640 | 1031 | |
| Geekbench Multi | 11033 | 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 | |
| Price | $700 | — |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Xiaomi Mi Mix Alpha
- Main: 108MP f/f/1.7
- Ultrawide: 20MP
- Telephoto: 12MP
- Front: —
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Xiaomi Mi Mix Alpha
- 7.9" Flexible Super AMOLED
- Resolution: 2088x2250
- Refresh rate: —
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Xiaomi Mi Mix Alpha
- 4050 mAh
- Wired: 40W
- No wireless charging
We compared OnePlus 15s and Xiaomi Mi Mix Alpha, covering their specs and all relevant benchmarks.
OnePlus 15s leads Xiaomi Mi Mix Alpha by 359.0% in our overall performance rating.
Xiaomi Mi Mix Alpha
Price unknownperformance
In the "performance" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (92/100 vs 2/100).
display
In the "display" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (100/100 vs 0/100).
camera
In the "camera" category, both devices are on the same level — 48/100.
battery
In the "battery" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (82/100 vs 18/100).
design
In the "design" category, the OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha (56/100 vs 0/100).
value for money
In the "value for money" category, the OnePlus 15s is a bit better (62/100 vs 55/100).
Which is better: the OnePlus 15s or the Xiaomi Mi Mix Alpha?
The OnePlus 15s significantly outperforms the Xiaomi Mi Mix Alpha by 59 points (77/100 vs 18/100).
What is the rating of the OnePlus 15s and the Xiaomi Mi Mix Alpha?
The OnePlus 15s has a MobileRank rating of 77/100, the Xiaomi Mi Mix Alpha — 18/100.
Which is more powerful: the OnePlus 15s or the Xiaomi Mi Mix Alpha?
The OnePlus 15s leads on performance (92/100 vs 2/100).
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. The Xiaomi Mi Mix Alpha is a better fit for everyday use.