Redmi A5 vs Redmi K90 Ultra
The Redmi A5 (2025) runs on the MediaTek Helio G36, while the Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $90 and $420. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 25/100 (a 48-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 13 MP vs 50 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 193,858); the Redmi A5 is noticeably lighter (196g vs 227g).
Profile comparison
Category scores
Redmi A5
Redmi K90 Ultra
What makes Redmi A5 better?
- Lighter: 196g vs 227g
- Cheaper at launch: $90 vs $420
- Better portability (64/100 vs 40/100)
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 193858
- Better Geekbench Single: 3013 vs 189
- Better Geekbench Multi: 9287 vs 781
- Bigger battery: 8550 vs 5000 mAh
- Better main camera: 50MP vs 13MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 11/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 66/100)
- Better display (94/100 vs 32/100)
Comparison verdict
Comparing the Redmi A5 vs the Redmi K90 Ultra, the Redmi K90 Ultra scores 48 points higher (73/100 vs 25/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 11/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 66/100). Value score: Redmi A5 — 42/100, Redmi K90 Ultra — 72/100; 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 Ultra significantly outperforms the Redmi A5 (92/100 vs 11/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100). In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Specs comparison
| Specification | Redmi A5 | Redmi K90 Ultra | |
|---|---|---|---|
| Processor | MediaTek Helio G36 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 193858 | 3233695 | |
| Geekbench Single | 189 | 3013 | |
| Geekbench Multi | 781 | 9287 | |
| Display | 6.9" IPS LCD | 6.8" AMOLED | |
| Resolution | — | 1280x2772 | |
| Refresh rate | 60 Hz | 165 Hz | |
| Battery | 5000 mAh | 8550 mAh | |
| Charging | — | 100W | |
| Main camera | 13 MP | 50 MP | |
| Ultrawide | 0 MP | 8 MP | |
| Front camera | 5 MP | 20 MP | |
| RAM | 2GB / 3GB / 4GB | 12GB / 16GB | |
| Storage | 32GB / 64GB / 128GB | 256GB / 512GB | |
| OS | — | Android 16 | |
| Brightness (peak) | — | 3500 nits | |
| NFC | — | yes | |
| Protection | — | IP68/IP69 | |
| Dimensions | — | 162.9×77.9×8.2 mm | |
| Weight | 196 g | 227 g | |
| Launch price | $90 | $420 |
Camera comparison
Redmi A5
- Main: 13MP
- Front: 5MP
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Display comparison
Redmi A5
- 6.9" IPS LCD
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Battery and charging
Redmi A5
- 5000 mAh
- Wireless charging: no data
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Overall performance score
We compared Redmi A5 and Redmi K90 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Redmi A5 by 94.0% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $330. Redmi A5 was $330 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (92/100 vs 11/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Redmi A5 (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Redmi A5 (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra is a bit better (78/100 vs 66/100).
portability
In the "portability" category, the Redmi A5 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi A5 or the Redmi K90 Ultra?
The Redmi K90 Ultra significantly outperforms the Redmi A5 by 48 points (73/100 vs 25/100).
What is the rating of the Redmi A5 and the Redmi K90 Ultra?
The Redmi A5 has a MobileRank rating of 25/100, the Redmi K90 Ultra — 73/100.
Which has the better camera: the Redmi A5 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi A5 or the Redmi K90 Ultra?
The Redmi K90 Ultra leads on performance (92/100 vs 11/100).
Should you choose the Redmi A5 over the Redmi K90 Ultra?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.