OPPO Reno15 Pro Max vs Redmi K90 Ultra
The OPPO Reno15 Pro Max (2026) runs on the MediaTek Dimensity 8450, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $560 and $420. By overall MobileRank rating, the OPPO Reno15 Pro Max leads — 82/100 vs 73/100 (a 9-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 6500); the main camera is 200 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,131,620); the OPPO Reno15 Pro Max is noticeably lighter (205g vs 227g).
Profile comparison
Category scores
OPPO Reno15 Pro Max
Redmi K90 Ultra
What makes OPPO Reno15 Pro Max better?
- Better main camera: 200MP vs 50MP
- Lighter: 205g vs 227g
- Better camera (94/100 vs 37/100)
- Longer battery life (81/100 vs 78/100)
- Better portability (59/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2131620
- Better Geekbench Single: 3013 vs 1612
- Better Geekbench Multi: 9287 vs 6210
- Bigger battery: 8550 vs 6500 mAh
- Faster charging: 100W vs 80W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $560
- Higher performance (92/100 vs 77/100)
- Better display (94/100 vs 84/100)
Comparison verdict
Comparing the OPPO Reno15 Pro Max vs the Redmi K90 Ultra, the OPPO Reno15 Pro Max scores 9 points higher (82/100 vs 73/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 77/100). In the "camera" category, the OPPO Reno15 Pro Max leads (94/100 vs 37/100). Value score: OPPO Reno15 Pro Max — 82/100, 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 notably outperforms the OPPO Reno15 Pro Max (92/100 vs 77/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100). In the "camera" category, the OPPO Reno15 Pro Max significantly outperforms the Redmi K90 Ultra (94/100 vs 37/100). In the "battery" category, the OPPO Reno15 Pro Max and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100). In the "portability" category, the OPPO Reno15 Pro Max notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Specs comparison
| Specification | OPPO Reno15 Pro Max | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 8450 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2131620 | 3233695 | |
| Geekbench Single | 1612 | 3013 | |
| Geekbench Multi | 6210 | 9287 | |
| Display | 6.8" AMOLED | 6.8" AMOLED | |
| Resolution | 1272x2772 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 6500 mAh | 8550 mAh | |
| Charging | 80W | 100W | |
| Wireless charging | 50W | 0W | |
| Main camera | 200 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 50 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 | 161.3×76.5×7.7 mm | 162.9×77.9×8.2 mm | |
| Weight | 205 g | 227 g | |
| Launch price | $560 | $420 |
Camera comparison
OPPO Reno15 Pro Max
- Main: 200MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 50MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
OPPO Reno15 Pro Max
- 6.8" AMOLED
- Resolution: 1272x2772
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
OPPO Reno15 Pro Max
- 6500 mAh
- Wired: 80W
- Wireless: 50W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared OPPO Reno15 Pro Max and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads OPPO Reno15 Pro Max by 34.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $140. Redmi K90 Ultra was $140 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the OPPO Reno15 Pro Max (92/100 vs 77/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 84/100).
camera
In the "camera" category, the OPPO Reno15 Pro Max significantly outperforms the Redmi K90 Ultra (94/100 vs 37/100).
battery
In the "battery" category, the OPPO Reno15 Pro Max and the Redmi K90 Ultra are nearly equal (81/100 vs 78/100).
portability
In the "portability" category, the OPPO Reno15 Pro Max notably outperforms the Redmi K90 Ultra (59/100 vs 40/100).
Frequently asked questions
Which is better: the OPPO Reno15 Pro Max or the Redmi K90 Ultra?
The OPPO Reno15 Pro Max edges out the Redmi K90 Ultra by just 9 points — the two devices are very close in overall level.
What is the rating of the OPPO Reno15 Pro Max and the Redmi K90 Ultra?
The OPPO Reno15 Pro Max has a MobileRank rating of 82/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the OPPO Reno15 Pro Max or the Redmi K90 Ultra?
The OPPO Reno15 Pro Max leads on camera score (94/100 vs 37/100).
Which is more powerful: the OPPO Reno15 Pro Max or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 77/100).
Should you choose the OPPO Reno15 Pro Max over the Redmi K90 Ultra?
The OPPO Reno15 Pro Max is a better fit for active users, mobile photography enthusiasts, 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.