OnePlus 9 vs Redmi K90 Pro Max
The OnePlus 9 (2021) runs on the Qualcomm Snapdragon 888, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5; launch prices were $729 and $561. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 60/100 (a 26-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4500); the main camera is 48 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 1,157,244); the OnePlus 9 is noticeably lighter (192g vs 210g).
Profile comparison
Category scores
OnePlus 9
Redmi K90 Pro Max
What makes OnePlus 9 better?
- Lighter: 192g vs 210g
- Better portability (56/100 vs 54/100)
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 1157244
- Better Geekbench Single: 3639 vs 1500
- Better Geekbench Multi: 11047 vs 3537
- Bigger battery: 7560 vs 4500 mAh
- Faster charging: 100W vs 65W
- Better main camera: 50MP vs 48MP
- Faster wireless charging: 50W vs 15W
- Cheaper at launch: $561 vs $729
- Higher performance (97/100 vs 64/100)
- Better camera (78/100 vs 51/100)
- Longer battery life (89/100 vs 50/100)
- Better display (81/100 vs 80/100)
Comparison verdict
Comparing the OnePlus 9 vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 26 points higher (86/100 vs 60/100). In the "performance" category, the Redmi K90 Pro Max leads (97/100 vs 64/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 51/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 50/100). Value score: OnePlus 9 — 34/100, Redmi K90 Pro Max — 90/100; 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 Pro Max significantly outperforms the OnePlus 9 (97/100 vs 64/100). In the "display" category, the Redmi K90 Pro Max and the OnePlus 9 are nearly equal (81/100 vs 80/100). In the "camera" category, the Redmi K90 Pro Max notably outperforms the OnePlus 9 (78/100 vs 51/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the OnePlus 9 (89/100 vs 50/100). In the "portability" category, the OnePlus 9 and the Redmi K90 Pro Max are nearly equal (56/100 vs 54/100).
Specs comparison
| Specification | OnePlus 9 | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 1157244 | 3622315 | |
| Geekbench Single | 1500 | 3639 | |
| Geekbench Multi | 3537 | 11047 | |
| Display | 6.5" AMOLED | 6.9" OLED | |
| Resolution | 2400x1080 | 2608x1200 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 4500 mAh | 7560 mAh | |
| Charging | 65W | 100W | |
| Wireless charging | 15W | 50W | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 50 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 16 MP | 32 MP | |
| RAM | 8GB / 12GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 11 | Android 16 | |
| Brightness (peak) | 1100 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | — | IP68 | |
| Dimensions | 160.0×74.2×8.7 mm | 163.3×77.8×7.9 mm | |
| Weight | 192 g | 210 g | |
| Launch price | $729 | $561 |
Camera comparison
OnePlus 9
- Main: 48MP f/1.8
- Ultrawide: 50MP
- Front: 16MP
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
OnePlus 9
- 6.5" AMOLED
- Resolution: 2400x1080
- Refresh rate: 120 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Battery and charging
OnePlus 9
- 4500 mAh
- Wired: 65W
- Wireless: 15W
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared OnePlus 9 and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads OnePlus 9 by 68.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $168. Redmi K90 Pro Max was $168 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the OnePlus 9 (97/100 vs 64/100).
display
In the "display" category, the Redmi K90 Pro Max and the OnePlus 9 are nearly equal (81/100 vs 80/100).
camera
In the "camera" category, the Redmi K90 Pro Max notably outperforms the OnePlus 9 (78/100 vs 51/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the OnePlus 9 (89/100 vs 50/100).
portability
In the "portability" category, the OnePlus 9 and the Redmi K90 Pro Max are nearly equal (56/100 vs 54/100).
Frequently asked questions
Which is better: the OnePlus 9 or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the OnePlus 9 by 26 points (86/100 vs 60/100).
What is the rating of the OnePlus 9 and the Redmi K90 Pro Max?
The OnePlus 9 has a MobileRank rating of 60/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the OnePlus 9 or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 51/100).
Which is more powerful: the OnePlus 9 or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (97/100 vs 64/100).
Should you choose the OnePlus 9 over the Redmi K90 Pro Max?
The OnePlus 9 is a better fit for active users. The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.