Redmi K90 vs Samsung Galaxy A55
The Redmi K90 (2025) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A55 (2024) runs on the Samsung Exynos 1480; launch prices were $401 and $449. By overall MobileRank rating, the Redmi K90 leads — 76/100 vs 55/100 (a 21-point difference). Key differences: the Redmi K90 has the bigger battery (7100 mAh vs 5000); the Redmi K90 is faster in AnTuTu (3,077,585 vs 1,021,736).
Profile comparison
Category scores
Redmi K90
Samsung Galaxy A55
What makes Redmi K90 better?
- Higher AnTuTu: 3077585 vs 1021736
- Better Geekbench Single: 3013 vs 1050
- Better Geekbench Multi: 9287 vs 3200
- Bigger battery: 7100 vs 5000 mAh
- Faster charging: 100W vs 25W
- Lighter: 206g vs 213g
- Cheaper at launch: $401 vs $449
- Higher performance (91/100 vs 58/100)
- Better camera (58/100 vs 48/100)
- Longer battery life (72/100 vs 44/100)
- Better display (82/100 vs 79/100)
- Better portability (55/100 vs 49/100)
What makes Samsung Galaxy A55 better?
- Overall rating 55/100
Comparison verdict
Comparing the Redmi K90 vs the Samsung Galaxy A55, the Redmi K90 scores 21 points higher (76/100 vs 55/100). In the "performance" category, the Redmi K90 leads (91/100 vs 58/100). In the "camera" category, the Redmi K90 leads (58/100 vs 48/100). In the "battery" category, the Redmi K90 leads (72/100 vs 44/100). Value score: Redmi K90 — 80/100, Samsung Galaxy A55 — 34/100; 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 significantly outperforms the Samsung Galaxy A55 (91/100 vs 58/100). In the "display" category, the Redmi K90 and the Samsung Galaxy A55 are nearly equal (82/100 vs 79/100). In the "camera" category, the Redmi K90 is a bit better (58/100 vs 48/100). In the "battery" category, the Redmi K90 notably outperforms the Samsung Galaxy A55 (72/100 vs 44/100). In the "portability" category, the Redmi K90 is a bit better (55/100 vs 49/100).
Specs comparison
| Specification | Redmi K90 | Samsung Galaxy A55 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 1480 | |
| AnTuTu | 3077585 | 1021736 | |
| Geekbench Single | 3013 | 1050 | |
| Geekbench Multi | 9287 | 3200 | |
| Display | 6.6" AMOLED | 6.6" Super AMOLED | |
| Resolution | 2510x1156 | 2340x1080 | |
| Refresh rate | 120 Hz | 120 Hz | |
| Battery | 7100 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| DXOMark (camera) | — | 108 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 50 MP | 0 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 14 / One UI 6.1 | |
| Brightness (peak) | 3500 nits | 1000 nits | |
| NFC | yes | yes | |
| Protection | IP68 | IP67 | |
| Dimensions | 157.5×75.3×8.0 mm | 161.1×77.4×8.2 mm | |
| Weight | 206 g | 213 g | |
| Launch price | $401 | $449 |
Camera comparison
Redmi K90
- Main: 50MP f/1.9
- Ultrawide: 8MP
- Telephoto: 50MP
- Front: 20MP
Samsung Galaxy A55
- Main: 50MP f/1.8
- Ultrawide: 12MP
- Front: 13MP
Display comparison
Redmi K90
- 6.6" AMOLED
- Resolution: 2510x1156
- Refresh rate: 120 Hz
Samsung Galaxy A55
- 6.6" Super AMOLED
- Resolution: 2340x1080
- Refresh rate: 120 Hz
Battery and charging
Redmi K90
- 7100 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A55
- 5000 mAh
- Wired: 25W
- No wireless charging
Overall performance score
We compared Redmi K90 and Samsung Galaxy A55, covering their specs and all relevant benchmarks.
Redmi K90 leads Samsung Galaxy A55 by 201.2% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $48. Redmi K90 was $48 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 significantly outperforms the Samsung Galaxy A55 (91/100 vs 58/100).
display
In the "display" category, the Redmi K90 and the Samsung Galaxy A55 are nearly equal (82/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 is a bit better (58/100 vs 48/100).
battery
In the "battery" category, the Redmi K90 notably outperforms the Samsung Galaxy A55 (72/100 vs 44/100).
portability
In the "portability" category, the Redmi K90 is a bit better (55/100 vs 49/100).
Frequently asked questions
Which is better: the Redmi K90 or the Samsung Galaxy A55?
The Redmi K90 significantly outperforms the Samsung Galaxy A55 by 21 points (76/100 vs 55/100).
What is the rating of the Redmi K90 and the Samsung Galaxy A55?
The Redmi K90 has a MobileRank rating of 76/100, the Samsung Galaxy A55 — 55/100.
Which has the better camera: the Redmi K90 or the Samsung Galaxy A55?
The Redmi K90 leads on camera score (58/100 vs 48/100).
Which is more powerful: the Redmi K90 or the Samsung Galaxy A55?
The Redmi K90 leads on performance (91/100 vs 58/100).
Should you choose the Redmi K90 over the Samsung Galaxy A55?
The Redmi K90 is a better fit for gamers and power users, budget-conscious buyers.