Redmi K90 Ultra vs Samsung Galaxy A50
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A50 (2019) runs on the Exynos 9610; launch prices were $420 and $350. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 31/100 (a 42-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4000); the main camera is 50 MP vs 25 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 352,871); the Samsung Galaxy A50 is noticeably lighter (166g vs 227g).
Redmi K90 Ultra
Samsung Galaxy A50
- Higher AnTuTu: 3233695 vs 352871
- Better Geekbench Single: 3041 vs 370
- Better Geekbench Multi: 9494 vs 1021
- Bigger battery: 8550 vs 4000 mAh
- Better main camera: 50MP vs 25MP
- Higher refresh rate: 165Hz vs 60Hz
- Higher performance (92/100 vs 25/100)
- Better camera (37/100 vs 22/100)
- Longer battery life (78/100 vs 25/100)
- Better display (94/100 vs 51/100)
- Lighter: 166g vs 227g
- Cheaper at launch: $350 vs $420
- Better portability (83/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A50, the Redmi K90 Ultra scores 42 points higher (73/100 vs 31/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 25/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 22/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 25/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy A50 — 2/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (92/100 vs 25/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (94/100 vs 51/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A50 (37/100 vs 22/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (78/100 vs 25/100). In the "portability" category, the Samsung Galaxy A50 significantly outperforms the Redmi K90 Ultra (83/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy A50 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Exynos 9610 | |
| AnTuTu | 3233695 | 352871 | |
| Geekbench Single | 3041 | 370 | |
| Geekbench Multi | 9494 | 1021 | |
| Display | 6.8" AMOLED | 6.4" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 4000 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 25 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 25 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 158.5×74.7×7.7 mm | |
| Weight | 227 g | 166 g | |
| Launch price | $420 | $350 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A50
- Main: 25MP
- Front: 25MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A50
- 6.4" AMOLED
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A50
- 4000 mAh
- No wireless charging
We compared Redmi K90 Ultra and Samsung Galaxy A50, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A50 by 816.4% in our overall performance rating.
Launch price difference: $70. Samsung Galaxy A50 was $70 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (92/100 vs 25/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (94/100 vs 51/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A50 (37/100 vs 22/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 (78/100 vs 25/100).
portability
In the "portability" category, the Samsung Galaxy A50 significantly outperforms the Redmi K90 Ultra (83/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A50?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A50 by 42 points (73/100 vs 31/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A50?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A50 — 31/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A50?
The Redmi K90 Ultra leads on camera score (37/100 vs 22/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A50?
The Redmi K90 Ultra leads on performance (92/100 vs 25/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A50?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy A50 is a better fit for everyday use.