OPPO K15 Pro+ vs Redmi K90 Ultra
The OPPO K15 Pro+ (2026) runs on the MediaTek Dimensity 9500s, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $509 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 72/100 (a 1-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 8000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,032,039).
Profile comparison
Category scores
OPPO K15 Pro+
Redmi K90 Ultra
What makes OPPO K15 Pro+ better?
- Lighter: 219g vs 227g
- Better portability (44/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 3032039
- Better Geekbench Single: 3013 vs 2725
- Better Geekbench Multi: 9287 vs 8932
- Bigger battery: 8550 vs 8000 mAh
- Cheaper at launch: $420 vs $509
- Higher performance (92/100 vs 90/100)
- Better camera (37/100 vs 35/100)
- Longer battery life (78/100 vs 75/100)
Comparison verdict
Comparing the OPPO K15 Pro+ vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 1 points higher (73/100 vs 72/100). Value score: OPPO K15 Pro+ — 64/100, 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 Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100). In the "display" category, both devices are on the same level — 94/100. In the "camera" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (37/100 vs 35/100). In the "battery" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (78/100 vs 75/100). In the "portability" category, the OPPO K15 Pro+ and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).
Specs comparison
| Specification | OPPO K15 Pro+ | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500s | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3032039 | 3233695 | |
| Geekbench Single | 2725 | 3013 | |
| Geekbench Multi | 8932 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 2772x1272 | 1280x2772 | |
| Refresh rate | 165 Hz | 165 Hz | |
| Battery | 8000 mAh | 8550 mAh | |
| Charging | 100W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 1800 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 162.4×77.5×8.3 mm | 162.9×77.9×8.2 mm | |
| Weight | 219 g | 227 g | |
| Launch price | $509 | $420 |
Camera comparison
OPPO K15 Pro+
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO K15 Pro+
- 6.8" AMOLED
- Resolution: 2772x1272
- Refresh rate: 165 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO K15 Pro+
- 8000 mAh
- Wired: 100W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO K15 Pro+ and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO K15 Pro+ by 6.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $89. Redmi K90 Ultra was $89 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (92/100 vs 90/100).
display
In the "display" category, both devices are on the same level — 94/100.
camera
In the "camera" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (37/100 vs 35/100).
battery
In the "battery" category, the Redmi K90 Ultra and the OPPO K15 Pro+ are nearly equal (78/100 vs 75/100).
portability
In the "portability" category, the OPPO K15 Pro+ and the Redmi K90 Ultra are nearly equal (44/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO K15 Pro+ or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the OPPO K15 Pro+ by just 1 points — the two devices are very close in overall level.
What is the rating of the OPPO K15 Pro+ and the Redmi K90 Ultra?
The OPPO K15 Pro+ has a MobileRank rating of 72/100, the Redmi K90 Ultra — 73/100.
Should you choose the OPPO K15 Pro+ over the Redmi K90 Ultra?
The OPPO K15 Pro+ is a better fit for gamers and power users, those who care about battery life. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.