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; launch prices were $700 and $420. By overall MobileRank rating, the OnePlus 15s leads — 83/100 vs 73/100 (a 10-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 7500); the OnePlus 15s is faster in AnTuTu (3,950,082 vs 3,233,695); the OnePlus 15s is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
OnePlus 15s
Redmi K90 Ultra
What makes OnePlus 15s better?
- Higher AnTuTu: 3950082 vs 3233695
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Lighter: 195g vs 227g
- Higher performance (98/100 vs 92/100)
- Better camera (53/100 vs 37/100)
- Longer battery life (89/100 vs 78/100)
- Better display (95/100 vs 94/100)
- Better portability (64/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 7500 mAh
- Cheaper at launch: $420 vs $700
- Overall rating 73/100
Comparison verdict
Comparing the OnePlus 15s vs the Redmi K90 Ultra, the OnePlus 15s scores 10 points higher (83/100 vs 73/100). In the "camera" category, the OnePlus 15s leads (53/100 vs 37/100). In the "battery" category, the OnePlus 15s leads (89/100 vs 78/100). Value score: OnePlus 15s — 80/100, Redmi K90 Ultra — 72/100; it shows how far a model sits above or below the usual level for its price, and is not part of the overall rating. In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 92/100). In the "display" category, the OnePlus 15s and the Redmi K90 Ultra are nearly equal (95/100 vs 94/100). In the "camera" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (53/100 vs 37/100). In the "battery" category, the OnePlus 15s is a bit better (89/100 vs 78/100). In the "portability" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Specs comparison
| Specification | OnePlus 15s | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3950082 | 3233695 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| 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 | |
| Launch price | $700 | $420 |
Camera comparison
OnePlus 15s
- Main: 50MP f/1.8
- Telephoto: 50MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus 15s
- 6.3" AMOLED
- Resolution: 2640x1216
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OnePlus 15s
- 7500 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus 15s and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15s leads Redmi K90 Ultra by 22.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $280. Redmi K90 Ultra was $280 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15s is a bit better (98/100 vs 92/100).
display
In the "display" category, the OnePlus 15s and the Redmi K90 Ultra are nearly equal (95/100 vs 94/100).
camera
In the "camera" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (53/100 vs 37/100).
battery
In the "battery" category, the OnePlus 15s is a bit better (89/100 vs 78/100).
portability
In the "portability" category, the OnePlus 15s notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Frequently asked questions
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 10 points.
What is the rating of the OnePlus 15s and the Redmi K90 Ultra?
The OnePlus 15s has a MobileRank rating of 83/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OnePlus 15s or the Redmi K90 Ultra?
The OnePlus 15s leads on camera score (53/100 vs 37/100).
Which is more powerful: the OnePlus 15s or the Redmi K90 Ultra?
The OnePlus 15s leads on performance (98/100 vs 92/100).
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, budget-conscious buyers. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.