Redmi K90 Ultra vs Samsung Galaxy A27
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A27 (2026) runs on the Qualcomm Snapdragon 6 Gen 3. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 51/100 (a 22-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 840,353).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A27
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 840353
- Better Geekbench Single: 3013 vs 1013
- Better Geekbench Multi: 9287 vs 3000
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 55/100)
- Better camera (37/100 vs 34/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 79/100)
What makes Samsung Galaxy A27 better?
- Better portability (62/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A27, the Redmi K90 Ultra scores 22 points higher (73/100 vs 51/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 55/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 44/100). In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 (92/100 vs 55/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A27 are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 (78/100 vs 44/100). In the "portability" category, the Samsung Galaxy A27 notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A27 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6 Gen 3 | |
| AnTuTu | 3233695 | 840353 | |
| Geekbench Single | 3013 | 1013 | |
| Geekbench Multi | 9287 | 3000 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED | |
| Resolution | 1280x2772 | 1080x2340 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 13 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16, up to 6 major Android upgrades, One UI 8.5 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 162.3×78.6×7.9 mm | |
| Weight | 227 g | — | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A27
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 13MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A27
- 6.7" Super AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A27
- 5000 mAh
- Wired: 25W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A27, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A27 by 284.8% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy A27
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 (92/100 vs 55/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A27 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A27 are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 (78/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A27 notably outperforms the Redmi K90 Ultra (62/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A27?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A27 by 22 points (73/100 vs 51/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A27?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A27 — 51/100.
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A27?
The Redmi K90 Ultra leads on performance (92/100 vs 55/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A27?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.