OnePlus 15T vs Redmi K90 Ultra
The OnePlus 15T (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 $799 and $420. By overall MobileRank rating, the OnePlus 15T leads — 86/100 vs 73/100 (a 13-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6400); the OnePlus 15T is faster in AnTuTu (3,927,976 vs 3,233,695); the OnePlus 15T is noticeably lighter (206g vs 227g).
Profile comparison
Category scores
OnePlus 15T
Redmi K90 Ultra
What makes OnePlus 15T better?
- Higher AnTuTu: 3927976 vs 3233695
- Better Geekbench Single: 3639 vs 3013
- Better Geekbench Multi: 11047 vs 9287
- Lighter: 206g vs 227g
- Higher performance (98/100 vs 92/100)
- Better camera (78/100 vs 37/100)
- Longer battery life (84/100 vs 78/100)
- Better portability (51/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Bigger battery: 8550 vs 6400 mAh
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $799
- Better display (94/100 vs 89/100)
Comparison verdict
Comparing the OnePlus 15T vs the Redmi K90 Ultra, the OnePlus 15T scores 13 points higher (86/100 vs 73/100). In the "camera" category, the OnePlus 15T leads (78/100 vs 37/100). Value score: OnePlus 15T — 86/100, 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 15T is a bit better (98/100 vs 92/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the OnePlus 15T significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the OnePlus 15T is a bit better (84/100 vs 78/100). In the "portability" category, the OnePlus 15T is a bit better (51/100 vs 40/100).
Specs comparison
| Specification | OnePlus 15T | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3927976 | 3233695 | |
| Geekbench Single | 3639 | 3013 | |
| Geekbench Multi | 11047 | 9287 | |
| Display | 6.8" LTPO AMOLED | 6.8" AMOLED | |
| Resolution | 3168x1440 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6400 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 3600 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 150.6×71.8×8.4 mm | 162.9×77.9×8.2 mm | |
| Weight | 206 g | 227 g | |
| Launch price | $799 | $420 |
Camera comparison
OnePlus 15T
- Main: 50MP f/1.6
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OnePlus 15T
- 6.8" LTPO AMOLED
- Resolution: 3168x1440
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OnePlus 15T
- 6400 mAh
- Wired: 100W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OnePlus 15T and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
OnePlus 15T leads Redmi K90 Ultra by 21.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $379. Redmi K90 Ultra was $379 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the OnePlus 15T is a bit better (98/100 vs 92/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the OnePlus 15T significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the OnePlus 15T is a bit better (84/100 vs 78/100).
portability
In the "portability" category, the OnePlus 15T is a bit better (51/100 vs 40/100).
Frequently asked questions
Which is better: the OnePlus 15T or the Redmi K90 Ultra?
The OnePlus 15T is noticeably better than the Redmi K90 Ultra — the overall rating gap is 13 points.
What is the rating of the OnePlus 15T and the Redmi K90 Ultra?
The OnePlus 15T has a MobileRank rating of 86/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OnePlus 15T or the Redmi K90 Ultra?
The OnePlus 15T leads on camera score (78/100 vs 37/100).
Which is more powerful: the OnePlus 15T or the Redmi K90 Ultra?
The OnePlus 15T leads on performance (98/100 vs 92/100).
Should you choose the OnePlus 15T over the Redmi K90 Ultra?
The OnePlus 15T 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.