OnePlus 15s vs Redmi K90 Ultra
The OnePlus 15s (2026) runs on the Qualcomm Snapdragon 8 Elite Gen 5, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $700 and $420. By overall MobileRank rating, the OnePlus 15s leads — 77/100 vs 61/100 (a 16-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7500); the OnePlus 15s is faster in AnTuTu (3,942,923 vs 2,760,000); the OnePlus 15s is noticeably lighter (195g vs 227g).
OnePlus 15s
Redmi K90 Ultra
- Higher AnTuTu: 3942923 vs 2760000
- Better Geekbench Single: 3640 vs 3050
- Better Geekbench Multi: 11033 vs 9300
- Lighter: 195g vs 227g
- Higher performance (92/100 vs 65/100)
- Better camera (48/100 vs 32/100)
- Longer battery life (82/100 vs 77/100)
- Better design/ergonomics (56/100 vs 16/100)
- Bigger battery: 8550 vs 7500 mAh
- Cheaper: $420 vs $700
- Better value for money (81/100 vs 62/100)
Comparing the OnePlus 15s vs the Redmi K90 Ultra, the OnePlus 15s scores 16 points higher (77/100 vs 61/100). In the "performance" category, the OnePlus 15s leads (92/100 vs 65/100). In the "camera" category, the OnePlus 15s leads (48/100 vs 32/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 62/100). In the "performance" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (92/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (48/100 vs 32/100). In the "battery" category, the OnePlus 15s is a bit better (82/100 vs 77/100). In the "design" category, the OnePlus 15s significantly outperforms the Redmi K90 Ultra (56/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the OnePlus 15s (81/100 vs 62/100).
| Specification | OnePlus 15s | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3942923 | 2760000 | |
| Geekbench Single | 3640 | 3050 | |
| Geekbench Multi | 11033 | 9300 | |
| Display | 6.3" AMOLED | 6.8" AMOLED | |
| Resolution | 2640x1216 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 7500 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Price | $700 | $420 |
OnePlus 15s
- Main: 50MP f/f/1.8
- Telephoto: 50MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared OnePlus 15s and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Redmi K90 Ultra by 42.9% in our overall performance rating.
Price difference: $280. Redmi K90 Ultra is cheaper by $280.
performance
In the "performance" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (92/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (48/100 vs 32/100).
battery
In the "battery" category, the OnePlus 15s is a bit better (82/100 vs 77/100).
design
In the "design" category, the OnePlus 15s significantly outperforms the Redmi K90 Ultra (56/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the OnePlus 15s (81/100 vs 62/100).
Which is better: the OnePlus 15s or the Redmi K90 Ultra?
The OnePlus 15s is noticeably better than the Redmi K90 Ultra — the overall rating gap is 16 points.
What is the rating of the OnePlus 15s and the Redmi K90 Ultra?
The OnePlus 15s has a MobileRank rating of 77/100, the Redmi K90 Ultra — 61/100.
Which has the better camera: the OnePlus 15s or the Redmi K90 Ultra?
The OnePlus 15s leads on camera score (48/100 vs 32/100).
Which is more powerful: the OnePlus 15s or the Redmi K90 Ultra?
The OnePlus 15s leads on performance (92/100 vs 65/100).
Should you choose the OnePlus 15s over the Redmi K90 Ultra?
The OnePlus 15s is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.