Redmi K90 Ultra vs Samsung Galaxy A05
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A05 (2023) runs on the MediaTek Helio G85. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 33/100 (a 40-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 348,562); the Redmi K90 Ultra has NFC for contactless payments, the Samsung Galaxy A05 doesn't; the Samsung Galaxy A05 is noticeably lighter (195g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A05
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 348562
- Better Geekbench Single: 3013 vs 419
- Better Geekbench Multi: 9287 vs 1461
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 25W
- Higher performance (92/100 vs 29/100)
- Better camera (37/100 vs 30/100)
- Longer battery life (78/100 vs 44/100)
- Better display (94/100 vs 32/100)
What makes Samsung Galaxy A05 better?
- Lighter: 195g vs 227g
- Better portability (53/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A05, the Redmi K90 Ultra scores 40 points higher (73/100 vs 33/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). 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 A05 (92/100 vs 29/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 (94/100 vs 32/100). In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 (78/100 vs 44/100). In the "portability" category, the Samsung Galaxy A05 is a bit better (53/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A05 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | MediaTek Helio G85 | |
| AnTuTu | 3233695 | 348562 | |
| Geekbench Single | 3013 | 419 | |
| Geekbench Multi | 9287 | 1461 | |
| Display | 6.8" AMOLED | 6.7" | |
| Resolution | 1280x2772 | 720x1600 | |
| Refresh rate | 165 Hz | — | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 25W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 8 MP | |
| RAM | 12GB / 16GB | 4GB / 6GB | |
| Storage | 256GB / 512GB | 64GB / 128GB | |
| OS | Android 16 | Android 13 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 168.8×78.2×8.8 mm | |
| Weight | 227 g | 195 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A05
- Main: 50MP f/1.8
- Front: 8MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A05
- 6.7"
- Resolution: 720x1600
- Refresh rate: —
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A05
- 5000 mAh
- Wired: 25W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A05, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A05 by 827.7% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy A05
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 (92/100 vs 29/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 (94/100 vs 32/100).
camera
In the "camera" category, the Redmi K90 Ultra is a bit better (37/100 vs 30/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 (78/100 vs 44/100).
portability
In the "portability" category, the Samsung Galaxy A05 is a bit better (53/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A05?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A05 by 40 points (73/100 vs 33/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A05?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A05 — 33/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A05?
The Redmi K90 Ultra leads on camera score (37/100 vs 30/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A05?
The Redmi K90 Ultra leads on performance (92/100 vs 29/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A05?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.