Oppo F21 Pro vs Redmi K90 Pro Max
The Oppo F21 Pro (2022) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K90 Pro Max (2025) runs on the Qualcomm Snapdragon 8 Elite Gen 5. By overall MobileRank rating, the Redmi K90 Pro Max leads — 86/100 vs 43/100 (a 43-point difference). Key differences: the Redmi K90 Pro Max has the bigger battery (7560 mAh vs 4500); the main camera is 64 MP vs 50 MP; the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 424,216); the Redmi K90 Pro Max has NFC for contactless payments, the Oppo F21 Pro doesn't; the Oppo F21 Pro is noticeably lighter (175g vs 210g).
Profile comparison
Category scores
Oppo F21 Pro
Redmi K90 Pro Max
What makes Oppo F21 Pro better?
- Better main camera: 64MP vs 50MP
- Lighter: 175g vs 210g
- Better portability (79/100 vs 54/100)
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 424216
- Better Geekbench Single: 3639 vs 412
- Better Geekbench Multi: 11047 vs 1423
- Bigger battery: 7560 vs 4500 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (97/100 vs 31/100)
- Better camera (78/100 vs 45/100)
- Longer battery life (89/100 vs 35/100)
- Better display (81/100 vs 69/100)
Comparison verdict
Comparing the Oppo F21 Pro vs the Redmi K90 Pro Max, the Redmi K90 Pro Max scores 43 points higher (86/100 vs 43/100). In the "performance" category, the Redmi K90 Pro Max leads (97/100 vs 31/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 45/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 35/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (97/100 vs 31/100). In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 69/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (78/100 vs 45/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (89/100 vs 35/100). In the "portability" category, the Oppo F21 Pro notably outperforms the Redmi K90 Pro Max (79/100 vs 54/100).
Specs comparison
| Specification | Oppo F21 Pro | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 424216 | 3622315 | |
| Geekbench Single | 412 | 3639 | |
| Geekbench Multi | 1423 | 11047 | |
| Display | 6.4" AMOLED | 6.9" OLED | |
| Resolution | 1080x2400 | 2608x1200 | |
| Refresh rate | 90 Hz | 120 Hz | |
| Battery | 4500 mAh | 7560 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 64 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 32 MP | 32 MP | |
| RAM | 8GB | 16GB | |
| Storage | 128GB | 256GB / 512GB / 1TB | |
| OS | Android 12, ColorOS 12.1 | Android 16 | |
| Brightness (peak) | 800 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | IPX4 | IP68 | |
| Dimensions | 159.9×73.2×7.5 mm | 163.3×77.8×7.9 mm | |
| Weight | 175 g | 210 g | |
| Launch price | — | $561 |
Camera comparison
Oppo F21 Pro
- Main: 64MP f/1.7
- Front: 32MP
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Oppo F21 Pro
- 6.4" AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Battery and charging
Oppo F21 Pro
- 4500 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Oppo F21 Pro and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Oppo F21 Pro by 88.3% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Oppo F21 Pro
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (97/100 vs 31/100).
display
In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 69/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (78/100 vs 45/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro (89/100 vs 35/100).
portability
In the "portability" category, the Oppo F21 Pro notably outperforms the Redmi K90 Pro Max (79/100 vs 54/100).
Frequently asked questions
Which is better: the Oppo F21 Pro or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Oppo F21 Pro by 43 points (86/100 vs 43/100).
What is the rating of the Oppo F21 Pro and the Redmi K90 Pro Max?
The Oppo F21 Pro has a MobileRank rating of 43/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Oppo F21 Pro or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 45/100).
Which is more powerful: the Oppo F21 Pro or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (97/100 vs 31/100).
Should you choose the Oppo F21 Pro over the Redmi K90 Pro Max?
The Redmi K90 Pro Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers.