Nothing Phone (4a) Pro vs Redmi K90 Ultra
The Nothing Phone (4a) Pro (2026) runs on the Qualcomm Snapdragon 7s Gen 4, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $499 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 68/100 (a 5-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5200); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 1,405,881); the Nothing Phone (4a) Pro is noticeably lighter (195g vs 227g).
Nothing Phone (4a) Pro
Redmi K90 Ultra
- Lighter: 195g vs 227g
- Better camera (78/100 vs 37/100)
- Better portability (62/100 vs 40/100)
- Higher AnTuTu: 3119308 vs 1405881
- Better Geekbench Single: 3041 vs 1237
- Better Geekbench Multi: 9494 vs 3281
- Bigger battery: 8550 vs 5200 mAh
- Faster charging: 100W vs 50W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $499
- Higher performance (92/100 vs 64/100)
- Longer battery life (78/100 vs 54/100)
- Better display (94/100 vs 80/100)
Comparing the Nothing Phone (4a) Pro vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 5 points higher (73/100 vs 68/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 64/100). In the "camera" category, the Nothing Phone (4a) Pro leads (78/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra notably outperforms the Nothing Phone (4a) Pro (92/100 vs 64/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the Nothing Phone (4a) Pro significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Nothing Phone (4a) Pro (78/100 vs 54/100). In the "portability" category, the Nothing Phone (4a) Pro notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
| Specification | Nothing Phone (4a) Pro | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 7s Gen 4 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 1405881 | 3119308 | |
| Geekbench Single | 1237 | 3041 | |
| Geekbench Multi | 3281 | 9494 | |
| Display | 6.7" AMOLED | 6.8" AMOLED | |
| Resolution | 2412x1080 | 1280x2772 | |
| Refresh rate | 120 Hz | 165 Hz | |
| Battery | 5200 mAh | 8550 mAh | |
| Charging | 50W | 100W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 50 MP | 8 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 12GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 16 | |
| Brightness (peak) | 5000 nits | 3500 nits | |
| NFC | yes | yes | |
| Protection | IP65 | IP68/IP69 | |
| Dimensions | 163.7×76.6×8.0 mm | 162.9×77.9×8.2 mm | |
| Weight | 195 g | 227 g | |
| Price | $499 | $420 |
Nothing Phone (4a) Pro
- Main: 50MP f/1.8
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 32MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Nothing Phone (4a) Pro
- 6.7" AMOLED
- Resolution: 2412x1080
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Nothing Phone (4a) Pro
- 5200 mAh
- Wired: 50W
- No wireless charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
We compared Nothing Phone (4a) Pro and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Nothing Phone (4a) Pro by 54.9% in our overall performance rating.
Price difference: $79. Redmi K90 Ultra is cheaper by $79.
performance
In the "performance" category, the Redmi K90 Ultra notably outperforms the Nothing Phone (4a) Pro (92/100 vs 64/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Nothing Phone (4a) Pro significantly outperforms the Redmi K90 Ultra (78/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Nothing Phone (4a) Pro (78/100 vs 54/100).
portability
In the "portability" category, the Nothing Phone (4a) Pro notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Which is better: the Nothing Phone (4a) Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra edges out the Nothing Phone (4a) Pro by just 5 points — the two devices are very close in overall level.
What is the rating of the Nothing Phone (4a) Pro and the Redmi K90 Ultra?
The Nothing Phone (4a) Pro has a MobileRank rating of 68/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Nothing Phone (4a) Pro or the Redmi K90 Ultra?
The Nothing Phone (4a) Pro leads on camera score (78/100 vs 37/100).
Which is more powerful: the Nothing Phone (4a) Pro or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 64/100).
Should you choose the Nothing Phone (4a) Pro over the Redmi K90 Ultra?
The Nothing Phone (4a) Pro is a better fit for active users. The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.