Apple iPhone Air vs Redmi K90 Ultra
The Apple iPhone Air (2025) runs on the Apple A19 Pro, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $790 and $420. By overall MobileRank rating, the Apple iPhone Air leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3149); the main camera is 48 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,550,000); the Apple iPhone Air is noticeably lighter (165g vs 227g).
Apple iPhone Air
Redmi K90 Ultra
- Better Geekbench Single: 3850 vs 3041
- Better Geekbench Multi: 9800 vs 9494
- Lighter: 165g vs 227g
- Better camera (73/100 vs 37/100)
- Better portability (96/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 2550000
- Bigger battery: 8550 vs 3149 mAh
- Faster charging: 100W vs 40W
- Better main camera: 50MP vs 48MP
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $790
- Longer battery life (78/100 vs 26/100)
- Better display (94/100 vs 85/100)
Comparing the Apple iPhone Air vs the Redmi K90 Ultra, the Apple iPhone Air scores 2 points higher (75/100 vs 73/100). In the "camera" category, the Apple iPhone Air leads (73/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 26/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100). In the "camera" category, the Apple iPhone Air significantly outperforms the Redmi K90 Ultra (73/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Apple iPhone Air (78/100 vs 26/100). In the "portability" category, the Apple iPhone Air significantly outperforms the Redmi K90 Ultra (96/100 vs 40/100).
| Specification | Apple iPhone Air | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Apple A19 Pro | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2550000 | 3119308 | |
| Geekbench Single | 3850 | 3041 | |
| Geekbench Multi | 9800 | 9494 | |
| Display | 6.5" LTPO Super Retina XDR OLED | 6.8" AMOLED | |
| Resolution | 2736x1260 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 3149 mAh | 8550 mAh | |
| Charging | 40W | 100W | |
| Wireless charging | 25W | 0W | |
| DXOMark (camera) | 141 | — | |
| Main camera | 48 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 12 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB | |
| OS | iOS 26 | Android 16 | |
| Brightness (peak) | 3000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP68/IP69 | |
| Dimensions | 6.0×74.7×5.6 mm | 162.9×77.9×8.2 mm | |
| Weight | 165 g | 227 g | |
| Price | $790 | $420 |
Apple iPhone Air
- Main: 48MP f/f/1.6
- Front: 12MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Apple iPhone Air
- 6.5" LTPO Super Retina XDR OLED
- Resolution: 2736x1260
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Apple iPhone Air
- 3149 mAh
- NanoReview test: web browsing 7:48 hrs, total 22:15 hrs
- Wired: 40W
- Wireless: 25W
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Apple iPhone Air and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Apple iPhone Air by 18.3% in our overall performance rating.
Price difference: $370. Redmi K90 Ultra is cheaper by $370.
performance
In the "performance" category, both devices are on the same level — 92/100.
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 85/100).
camera
In the "camera" category, the Apple iPhone Air significantly outperforms the Redmi K90 Ultra (73/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Apple iPhone Air (78/100 vs 26/100).
portability
In the "portability" category, the Apple iPhone Air significantly outperforms the Redmi K90 Ultra (96/100 vs 40/100).
Which is better: the Apple iPhone Air or the Redmi K90 Ultra?
The Apple iPhone Air edges out the Redmi K90 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Apple iPhone Air and the Redmi K90 Ultra?
The Apple iPhone Air has a MobileRank rating of 75/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Apple iPhone Air or the Redmi K90 Ultra?
The Apple iPhone Air leads on camera score (73/100 vs 37/100).
Should you choose the Apple iPhone Air over the Redmi K90 Ultra?
The Apple iPhone Air is a better fit for gamers and power users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.