Nubia Air vs Redmi K90
The Nubia Air (2025) runs on the Unisoc T8300, while the Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $199 and $401. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 51/100 (a 25-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 639,225); the Nubia Air is noticeably lighter (172g vs 206g).
Profile comparison
Category scores
Nubia Air
Redmi K90
What makes Nubia Air better?
- Lighter: 172g vs 206g
- Cheaper at launch: $199 vs $401
- Better display (83/100 vs 82/100)
- Better portability (90/100 vs 55/100)
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 639225
- Better Geekbench Single: 3013 vs 880
- Better Geekbench Multi: 9287 vs 2073
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 33W
- Higher performance (91/100 vs 47/100)
- Better camera (58/100 vs 34/100)
- Longer battery life (72/100 vs 46/100)
Comparison verdict
Comparing the Nubia Air vs the Redmi K90, the Redmi K90 scores 25 points higher (76/100 vs 51/100). In the "performance" category, the Redmi K90 leads (91/100 vs 47/100). In the "camera" category, the Redmi K90 leads (58/100 vs 34/100). In the "battery" category, the Redmi K90 leads (72/100 vs 46/100). Value score: Nubia Air — 64/100, Redmi K90 — 80/100; 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 significantly outperforms the Nubia Air (91/100 vs 47/100). In the "display" category, the Nubia Air and the Redmi K90 are nearly equal (83/100 vs 82/100). In the "camera" category, the Redmi K90 notably outperforms the Nubia Air (58/100 vs 34/100). In the "battery" category, the Redmi K90 notably outperforms the Nubia Air (72/100 vs 46/100). In the "portability" category, the Nubia Air significantly outperforms the Redmi K90 (90/100 vs 55/100).
Specs comparison
| Specification | Nubia Air | Redmi K90 | |
|---|---|---|---|
| Processor | Unisoc T8300 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 639225 | 3077585 | |
| Geekbench Single | 880 | 3013 | |
| Geekbench Multi | 2073 | 9287 | |
| Display | 6.8" AMOLED | 6.6" AMOLED | |
| Resolution | 1224x2720 | 2510x1156 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 5000 mAh | 7100 mAh | |
| Charging | 33W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 20 MP | |
| RAM | 8GB | 12GB / 16GB | |
| Storage | 256GB | 256GB / 512GB | |
| OS | Android 15 | Android 16 | |
| Brightness (peak) | 4500 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69K | IP68 | |
| Dimensions | 164.2×76.6×6.7 mm | 157.5×75.3×8.0 mm | |
| Weight | 172 g | 206 g | |
| Launch price | $199 | $401 |
Camera comparison
Nubia Air
- Main: 50MP f/1.6
- Front: 20MP
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Display comparison
Nubia Air
- 6.8" AMOLED
- Resolution: 1224x2720
- Refresh rate: 120 Hz
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Battery and charging
Nubia Air
- 5000 mAh
- Wired: 33W
- No wireless charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Nubia Air and Redmi K90, covering their specs and all relevant benchmarks.
Redmi K90 leads Nubia Air by 79.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $202. Nubia Air was $202 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Nubia Air (91/100 vs 47/100).
display
In the "display" category, the Nubia Air and the Redmi K90 are nearly equal (83/100 vs 82/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Nubia Air (58/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Nubia Air (72/100 vs 46/100).
portability
In the "portability" category, the Nubia Air significantly outperforms the Redmi K90 (90/100 vs 55/100).
Frequently asked questions
Which is better: the Nubia Air or the Redmi K90?
The Redmi K90 significantly outperforms the Nubia Air by 25 points (76/100 vs 51/100).
What is the rating of the Nubia Air and the Redmi K90?
The Nubia Air has a MobileRank rating of 51/100, the Redmi K90 — 76/100.
Which has the better camera: the Nubia Air or the Redmi K90?
The Redmi K90 leads on camera score (58/100 vs 34/100).
Which is more powerful: the Nubia Air or the Redmi K90?
The Redmi K90 leads on performance (91/100 vs 47/100).
Should you choose the Nubia Air over the Redmi K90?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.