Redmi K90 vs Samsung Galaxy A15 5G
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A15 5G (2023) runs on the MediaTek Dimensity 6100+. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 43/100 (a 33-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,088,357 vs 513,809).
Redmi K90
Samsung Galaxy A15 5G
- Higher AnTuTu: 3088357 vs 513809
- Better Geekbench Single: 3041 vs 689
- Better Geekbench Multi: 9494 vs 1884
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 120Hz vs 90Hz
- Higher performance (92/100 vs 41/100)
- Better camera (58/100 vs 29/100)
- Longer battery life (72/100 vs 44/100)
- Better display (82/100 vs 68/100)
- Lighter: 200g vs 206g
- Overall rating 43/100
Comparing the Redmi K90 vs the Samsung Galaxy A15 5G, the Redmi K90 scores 33 points higher (76/100 vs 43/100). In the "performance" category, the Redmi K90 leads (92/100 vs 41/100). In the "camera" category, the Redmi K90 leads (58/100 vs 29/100). In the "battery" category, the Redmi K90 leads (72/100 vs 44/100). In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy A15 5G (92/100 vs 41/100). In the "display" category, the Redmi K90 is a bit better (82/100 vs 68/100). In the "camera" category, the Redmi K90 notably outperforms the Samsung Galaxy A15 5G (58/100 vs 29/100). In the "battery" category, the Redmi K90 notably outperforms the Samsung Galaxy A15 5G (72/100 vs 44/100). In the "portability" category, both devices are on the same level — 55/100.
| Specification | Redmi K90 | Samsung Galaxy A15 5G | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Dimensity 6100+ | |
| AnTuTu | 3088357 | 513809 | |
| Geekbench Single | 3041 | 689 | |
| Geekbench Multi | 9494 | 1884 | |
| Display | 6.6" AMOLED | 6.5" Super AMOLED | |
| Resolution | 2510x1156 | 1080x2340 | |
| Refresh rate | 120 Hz | 90 Hz | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| DXOMark (camera) | — | 83 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 5 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 14, up to 4 major Android upgrades, One UI 6.1 | |
| Brightness (peak) | 3500 nits | 800 nits | |
| NFC | yes | yes | |
| Protection | IP68 | — | |
| Dimensions | 157.5×75.3×8.0 mm | 160.1×76.8×8.4 mm | |
| Weight | 206 g | 200 g | |
| Launch price | $401 | — |
Redmi K90
- Main: 50MP f/f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy A15 5G
- Main: 50MP f/f/1.8
- Ultrawide: 5MP
- Front: 13MP
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy A15 5G
- 6.5" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 90 Hz
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A15 5G
- 5000 mAh
- Wired: 25W
- No wireless charging
We compared Redmi K90 and Samsung Galaxy A15 5G, covering their specs and all relevant benchmarks.
Redmi K90 leads Samsung Galaxy A15 5G by 501.1% in our overall performance rating.
Samsung Galaxy A15 5G
Price unknownperformance
In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy A15 5G (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 is a bit better (82/100 vs 68/100).
camera
In the "camera" category, the Redmi K90 notably outperforms the Samsung Galaxy A15 5G (58/100 vs 29/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Samsung Galaxy A15 5G (72/100 vs 44/100).
portability
In the "portability" category, both devices are on the same level — 55/100.
Which is better: the Redmi K90 or the Samsung Galaxy A15 5G?
The Redmi K90 significantly outperforms the Samsung Galaxy A15 5G by 33 points (76/100 vs 43/100).
What is the rating of the Redmi K90 and the Samsung Galaxy A15 5G?
The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy A15 5G — 43/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy A15 5G?
The Redmi K90 leads on camera score (58/100 vs 29/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy A15 5G?
The Redmi K90 leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 over the Samsung Galaxy A15 5G?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers. The Samsung Galaxy A15 5G is a better fit for everyday use.