Redmi K90 vs Samsung Galaxy A03
Comparing the Redmi K90 (2025) and the Samsung Galaxy A03 (2022) on specs and benchmarks. By overall MobileRank rating, the Redmi K90 leads — 68/100 vs 16/100 (a 52-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the main camera is 50 MP vs 48 MP; the Redmi K90 has NFC for contactless payments, the Samsung Galaxy A03 doesn't; the Redmi K90 is thinner (8.0mm vs 9.1mm).
Redmi K90
Samsung Galaxy A03
- Bigger battery: 7100 vs 5000 mAh
- Better main camera: 50MP vs 48MP
- Higher performance (69/100 vs 0/100)
- Better camera (53/100 vs 23/100)
- Longer battery life (71/100 vs 36/100)
- Better display (100/100 vs 0/100)
- Better value for money (82/100 vs 55/100)
- Lighter: 196g vs 206g
- Better design/ergonomics (55/100 vs 42/100)
Comparing the Redmi K90 vs the Samsung Galaxy A03, the Redmi K90 scores 52 points higher (68/100 vs 16/100). In the "performance" category, the Redmi K90 leads (69/100 vs 0/100). In the "camera" category, the Redmi K90 leads (53/100 vs 23/100). In the "battery" category, the Redmi K90 leads (71/100 vs 36/100). In the "value for money" category, the Redmi K90 leads (82/100 vs 55/100). In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (69/100 vs 0/100). In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (100/100 vs 0/100). In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (53/100 vs 23/100). In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (71/100 vs 36/100). In the "design" category, the Samsung Galaxy A03 is a bit better (55/100 vs 42/100). In the "value for money" category, the Redmi K90 notably outperforms the Samsung Galaxy A03 (82/100 vs 55/100).
| Specification | Redmi K90 | Samsung Galaxy A03 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | — | |
| AnTuTu | 3088357 | — | |
| Geekbench Single | 3050 | — | |
| Geekbench Multi | 9300 | — | |
| Display | 6.6" AMOLED | 6.5" PLS TFT | |
| Resolution | 2510x1156 | 720x1600 | |
| Refresh rate | 120 Hz | — | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 48 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 3GB / 4GB | |
| Storage | 256GB / 512GB | 32GB / 64GB / 128GB | |
| OS | Android 16 | Android 11 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 164.2×75.9×9.1 mm | |
| Weight | 206 g | 196 g | |
| Price | $401 | — |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy A03
- Main: 48MP f/f/1.8
- Front: 5MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy A03
- 6.5" PLS TFT
- Resolution: 720x1600
- Refresh rate: —
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A03
- 5000 mAh
- No wireless charging
Samsung Galaxy A03
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (69/100 vs 0/100).
display
In the "display" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (100/100 vs 0/100).
camera
In the "camera" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (53/100 vs 23/100).
battery
In the "battery" category, the Redmi K90 significantly outperforms the Samsung Galaxy A03 (71/100 vs 36/100).
design
In the "design" category, the Samsung Galaxy A03 is a bit better (55/100 vs 42/100).
value for money
In the "value for money" category, the Redmi K90 notably outperforms the Samsung Galaxy A03 (82/100 vs 55/100).
Which is better: the Redmi K90 or the Samsung Galaxy A03?
The Redmi K90 significantly outperforms the Samsung Galaxy A03 by 52 points (68/100 vs 16/100).
What is the rating of the Redmi K90 and the Samsung Galaxy A03?
The Redmi K90 has a MobileRank rating of 68/100, the Samsung Galaxy A03 — 16/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy A03?
The Redmi K90 leads on camera score (53/100 vs 23/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy A03?
The Redmi K90 leads on performance (69/100 vs 0/100).
Should you choose the Redmi K90 over the Samsung Galaxy A03?
The Redmi K90 is a better fit for active users, budget-conscious buyers. The Samsung Galaxy A03 is a better fit for everyday use.