Redmi 15 4G vs Redmi K90 Pro Max
The Redmi 15 4G (2025) runs on the Qualcomm Snapdragon 685, 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 7000); the Redmi K90 Pro Max is faster in AnTuTu (3,622,315 vs 476,175).
Profile comparison
Category scores
Redmi 15 4G
Redmi K90 Pro Max
What makes Redmi 15 4G better?
- Higher refresh rate: 144Hz vs 120Hz
- Overall rating 43/100
What makes Redmi K90 Pro Max better?
- Higher AnTuTu: 3622315 vs 476175
- Better Geekbench Single: 3639 vs 466
- Better Geekbench Multi: 11047 vs 1396
- Bigger battery: 7560 vs 7000 mAh
- Faster charging: 100W vs 33W
- Lighter: 210g vs 224g
- Higher performance (97/100 vs 34/100)
- Better camera (78/100 vs 30/100)
- Longer battery life (89/100 vs 58/100)
- Better display (81/100 vs 74/100)
- Better portability (54/100 vs 39/100)
Comparison verdict
Comparing the Redmi 15 4G 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 34/100). In the "camera" category, the Redmi K90 Pro Max leads (78/100 vs 30/100). In the "battery" category, the Redmi K90 Pro Max leads (89/100 vs 58/100). In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (97/100 vs 34/100). In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 74/100). In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (78/100 vs 30/100). In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (89/100 vs 58/100). In the "portability" category, the Redmi K90 Pro Max notably outperforms the Redmi 15 4G (54/100 vs 39/100).
Specs comparison
| Specification | Redmi 15 4G | Redmi K90 Pro Max | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 685 | Qualcomm Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 476175 | 3622315 | |
| Geekbench Single | 466 | 3639 | |
| Geekbench Multi | 1396 | 11047 | |
| Display | 6.9" IPS LCD | 6.9" OLED | |
| Resolution | 1080x2340 | 2608x1200 | |
| Refresh rate | 144 Hz | 120 Hz | |
| Battery | 7000 mAh | 7560 mAh | |
| Charging | 33W | 100W | |
| Wireless charging | 0W | 50W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 8 MP | 32 MP | |
| RAM | 4GB / 6GB / 8GB | 16GB | |
| Storage | 128GB / 256GB | 256GB / 512GB / 1TB | |
| OS | Android 15, HyperOS 2 | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP64 | IP68 | |
| Dimensions | 171.1×82.1×8.6 mm | 163.3×77.8×7.9 mm | |
| Weight | 224 g | 210 g | |
| Launch price | — | $561 |
Camera comparison
Redmi 15 4G
- Main: 50MP f/1.8
- Front: 8MP
Redmi K90 Pro Max
- Main: 50MP f/1.88
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Display comparison
Redmi 15 4G
- 6.9" IPS LCD
- Resolution: 1080x2340
- Refresh rate: 144 Hz
Redmi K90 Pro Max
- 6.9" OLED
- Resolution: 2608x1200
- Refresh rate: 120 Hz
Battery and charging
Redmi 15 4G
- 7000 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Pro Max
- 7560 mAh
- Wired: 100W
- Wireless: 50W
Overall performance score
We compared Redmi 15 4G and Redmi K90 Pro Max, covering their specs and all relevant benchmarks.
Redmi K90 Pro Max leads Redmi 15 4G by 86.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Redmi 15 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (97/100 vs 34/100).
display
In the "display" category, the Redmi K90 Pro Max is a bit better (81/100 vs 74/100).
camera
In the "camera" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (78/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Pro Max significantly outperforms the Redmi 15 4G (89/100 vs 58/100).
portability
In the "portability" category, the Redmi K90 Pro Max notably outperforms the Redmi 15 4G (54/100 vs 39/100).
Frequently asked questions
Which is better: the Redmi 15 4G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max significantly outperforms the Redmi 15 4G by 43 points (86/100 vs 43/100).
What is the rating of the Redmi 15 4G and the Redmi K90 Pro Max?
The Redmi 15 4G has a MobileRank rating of 43/100, the Redmi K90 Pro Max — 86/100.
Which has the better camera: the Redmi 15 4G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on camera score (78/100 vs 30/100).
Which is more powerful: the Redmi 15 4G or the Redmi K90 Pro Max?
The Redmi K90 Pro Max leads on performance (97/100 vs 34/100).
Should you choose the Redmi 15 4G 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.