Redmi K90 Ultra vs Samsung Galaxy A37
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A37 (2026) runs on the Samsung Exynos 1480; launch prices were $420 and $250. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 54/100 (a 19-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,021,736); the Samsung Galaxy A37 is noticeably lighter (196g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A37
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1021736
- Better Geekbench Single: 3013 vs 1137
- Better Geekbench Multi: 9287 vs 3437
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 60/100)
- Better camera (37/100 vs 34/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 79/100)
What makes Samsung Galaxy A37 better?
- Lighter: 196g vs 227g
- Cheaper at launch: $250 vs $420
- Better portability (68/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A37, the Redmi K90 Ultra scores 19 points higher (73/100 vs 54/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy A37 — 58/100; 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 A37 (92/100 vs 60/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A37 (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A37 are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A37 (78/100 vs 48/100). In the "portability" category, the Samsung Galaxy A37 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A37 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 1480 | |
| AnTuTu | 3233695 | 1021736 | |
| Geekbench Single | 3013 | 1137 | |
| Geekbench Multi | 9287 | 3437 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1280x2772 | 2340x1080 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB / 12GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16, One UI 8.5 | |
| Brightness (peak) | 3500 nits | 1900 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 162.9×78.2×7.4 mm | |
| Weight | 227 g | 196 g | |
| Launch price | $420 | $250 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A37
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 12MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A37
- 6.7" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A37
- 5000 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A37, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A37 by 216.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $170. Samsung Galaxy A37 was $170 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A37 (92/100 vs 60/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A37 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A37 are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A37 (78/100 vs 48/100).
portability
In the "portability" category, the Samsung Galaxy A37 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A37?
The Redmi K90 Ultra is noticeably better than the Samsung Galaxy A37 — the overall rating gap is 19 points.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A37?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A37 — 54/100.
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A37?
The Redmi K90 Ultra leads on performance (92/100 vs 60/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A37?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy A37 is a better fit for active users.