Realme 9 4G vs Redmi K90 Ultra
The Realme 9 4G (2022) runs on the Qualcomm Snapdragon 680 4G, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 44/100 (a 29-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 108 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 424,216); the Redmi K90 Ultra has NFC for contactless payments, the Realme 9 4G doesn't; the Realme 9 4G is noticeably lighter (178g vs 227g).
Profile comparison
Category scores
Realme 9 4G
Redmi K90 Ultra
What makes Realme 9 4G better?
- Better main camera: 108MP vs 50MP
- Lighter: 178g vs 227g
- Better camera (44/100 vs 37/100)
- Better portability (72/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 424216
- Better Geekbench Single: 3013 vs 412
- Better Geekbench Multi: 9287 vs 1423
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 33W
- Higher refresh rate: 165Hz vs 90Hz
- Higher performance (92/100 vs 31/100)
- Longer battery life (78/100 vs 46/100)
- Better display (94/100 vs 69/100)
Comparison verdict
Comparing the Realme 9 4G vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 29 points higher (73/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 31/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 9 4G (92/100 vs 31/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 9 4G (94/100 vs 69/100). In the "camera" category, the Realme 9 4G is a bit better (44/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 9 4G (78/100 vs 46/100). In the "portability" category, the Realme 9 4G significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Specs comparison
| Specification | Realme 9 4G | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 680 4G | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 424216 | 3233695 | |
| Geekbench Single | 412 | 3013 | |
| Geekbench Multi | 1423 | 9287 | |
| Display | 6.4" Super AMOLED | 6.8" AMOLED | |
| Resolution | 1080x2400 | 1280x2772 | |
| Refresh rate | 90 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | 33W | 100W | |
| Main camera | 108 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 16 MP | 20 MP | |
| RAM | — | 12GB / 16GB | |
| Storage | 128GB | 256GB / 512GB | |
| OS | Android 12, Realme UI 3.0 | Android 16 | |
| Brightness (peak) | 1000 nits | 3500 nits | |
| NFC | no | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | 160.2×73.3×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 178 g | 227 g | |
| Launch price | — | $420 |
Camera comparison
Realme 9 4G
- Main: 108MP f/1.8
- Ultrawide: 8MP
- Front: 16MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Realme 9 4G
- 6.4" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: 90 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Realme 9 4G
- 5000 mAh
- Wired: 33W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Realme 9 4G and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Realme 9 4G by 86.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Realme 9 4G
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Realme 9 4G (92/100 vs 31/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Realme 9 4G (94/100 vs 69/100).
camera
In the "camera" category, the Realme 9 4G is a bit better (44/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Realme 9 4G (78/100 vs 46/100).
portability
In the "portability" category, the Realme 9 4G significantly outperforms the Redmi K90 Ultra (72/100 vs 40/100).
Frequently asked questions
Which is better: the Realme 9 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Realme 9 4G by 29 points (73/100 vs 44/100).
What is the rating of the Realme 9 4G and the Redmi K90 Ultra?
The Realme 9 4G has a MobileRank rating of 44/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Realme 9 4G or the Redmi K90 Ultra?
The Realme 9 4G leads on camera score (44/100 vs 37/100).
Which is more powerful: the Realme 9 4G or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 31/100).
Should you choose the Realme 9 4G over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.