Redmi K90 Ultra vs Samsung Galaxy A53
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A53 (2022) runs on the Samsung Exynos 1280; launch prices were $420 and $450. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 47/100 (a 26-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 615,425); the Samsung Galaxy A53 is noticeably lighter (189g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A53
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 615425
- Better Geekbench Single: 3013 vs 956
- Better Geekbench Multi: 9287 vs 2082
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $450
- Higher performance (92/100 vs 47/100)
- Better camera (37/100 vs 26/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 80/100)
What makes Samsung Galaxy A53 better?
- Better main camera: 64MP vs 50MP
- Lighter: 189g vs 227g
- Better portability (64/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A53, the Redmi K90 Ultra scores 26 points higher (73/100 vs 47/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 47/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 26/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 44/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy A53 — 18/100; 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 Samsung Galaxy A53 (92/100 vs 47/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 26/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A53 (78/100 vs 44/100). In the "portability" category, the Samsung Galaxy A53 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A53 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 1280 | |
| AnTuTu | 3233695 | 615425 | |
| Geekbench Single | 3013 | 956 | |
| Geekbench Multi | 9287 | 2082 | |
| Display | 6.8" AMOLED | 6.5" AMOLED | |
| Resolution | 1280x2772 | 1080x2400 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| DXOMark (camera) | — | 79 | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 12, One UI 4.1 | |
| Brightness (peak) | 3500 nits | 800 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP67 | |
| Dimensions | 162.9×77.9×8.2 mm | 159.6×74.8×8.1 mm | |
| Weight | 227 g | 189 g | |
| Launch price | $420 | $450 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A53
- Main: 64MP f/1.8
- Ultrawide: 12MP
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A53
- 6.5" AMOLED
- Resolution: 1080x2400
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A53
- 5000 mAh
- Wired: 25W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A53, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A53 by 425.4% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $30. Redmi K90 Ultra was $30 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A53 (92/100 vs 47/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 80/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 26/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A53 (78/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A53 notably outperforms the Redmi K90 Ultra (64/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A53?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A53 by 26 points (73/100 vs 47/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A53?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A53 — 47/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A53?
The Redmi K90 Ultra leads on camera score (37/100 vs 26/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A53?
The Redmi K90 Ultra leads on performance (92/100 vs 47/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A53?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.