OnePlus 15 vs Redmi K90 Ultra
The OnePlus 15 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $799 and $420. Both devices score the same overall rating of 61/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the OnePlus 15 is faster in AnTuTu (3,621,671 vs 2,760,000).
OnePlus 15
Redmi K90 Ultra
- Higher AnTuTu: 3621671 vs 2760000
- Lighter: 213g vs 227g
- Higher performance (77/100 vs 65/100)
- Better camera (34/100 vs 32/100)
- Better design/ergonomics (33/100 vs 16/100)
- Bigger battery: 8550 vs 6500 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $799
- Longer battery life (77/100 vs 48/100)
- Better value for money (81/100 vs 55/100)
The OnePlus 15 and the Redmi K90 Ultra received the same MobileRank rating — 61/100. In the "performance" category, the OnePlus 15 leads (77/100 vs 65/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 48/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 55/100). In the "performance" category, the OnePlus 15 is a bit better (77/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the OnePlus 15 and the Redmi K90 Ultra are nearly equal (34/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the OnePlus 15 (77/100 vs 48/100). In the "design" category, the OnePlus 15 notably outperforms the Redmi K90 Ultra (33/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra notably outperforms the OnePlus 15 (81/100 vs 55/100).
| Specification | OnePlus 15 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3621671 | 2760000 | |
| Geekbench Single | 3050 | 3050 | |
| Geekbench Multi | 9300 | 9300 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | — | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6500 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | — | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 161.4×76.7×8.1 mm | 162.9×77.9×8.2 mm | |
| Weight | 213 g | 227 g | |
| Price | $799 | $420 |
OnePlus 15
- Main: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
OnePlus 15
- 6.8" AMOLED
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
OnePlus 15
- 6500 mAh
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared OnePlus 15 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15 leads Redmi K90 Ultra by 31.2% in our overall performance rating.
Price difference: $379. Redmi K90 Ultra is cheaper by $379.
performance
In the "performance" category, the OnePlus 15 is a bit better (77/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the OnePlus 15 and the Redmi K90 Ultra are nearly equal (34/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the OnePlus 15 (77/100 vs 48/100).
design
In the "design" category, the OnePlus 15 notably outperforms the Redmi K90 Ultra (33/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra notably outperforms the OnePlus 15 (81/100 vs 55/100).
Which is better: the OnePlus 15 or the Redmi K90 Ultra?
Both devices scored 61/100. The choice depends on your priorities: if performance matters more — go with the OnePlus 15.
What is the rating of the OnePlus 15 and the Redmi K90 Ultra?
The OnePlus 15 has a MobileRank rating of 61/100, the Redmi K90 Ultra — 61/100.
Which is more powerful: the OnePlus 15 or the Redmi K90 Ultra?
The OnePlus 15 leads on performance (77/100 vs 65/100).
Should you choose the OnePlus 15 over the Redmi K90 Ultra?
The OnePlus 15 is a better fit for active users. The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers.