Redmi K90 Ultra vs Samsung Galaxy A72
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A72 (2021) runs on the Qualcomm Snapdragon 720G; launch prices were $420 and $450. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 46/100 (a 27-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 517,460); the Samsung Galaxy A72 is noticeably lighter (203g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A72
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 517460
- Better Geekbench Single: 3013 vs 746
- Better Geekbench Multi: 9287 vs 1762
- Bigger battery: 8550 vs 5000 mAh
- Higher refresh rate: 165Hz vs 90Hz
- Cheaper at launch: $420 vs $450
- Higher performance (92/100 vs 41/100)
- Better camera (37/100 vs 36/100)
- Longer battery life (78/100 vs 52/100)
- Better display (94/100 vs 68/100)
What makes Samsung Galaxy A72 better?
- Better main camera: 64MP vs 50MP
- Lighter: 203g vs 227g
- Better portability (52/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A72, the Redmi K90 Ultra scores 27 points higher (73/100 vs 46/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 41/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 52/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy A72 — 16/100; 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 A72 (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A72 (94/100 vs 68/100). In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A72 are nearly equal (37/100 vs 36/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A72 (78/100 vs 52/100). In the "portability" category, the Samsung Galaxy A72 is a bit better (52/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A72 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 720G | |
| AnTuTu | 3233695 | 517460 | |
| Geekbench Single | 3013 | 746 | |
| Geekbench Multi | 9287 | 1762 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 90 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | — | |
| DXOMark (camera) | — | 92 | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | 800 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP67 | |
| Dimensions | 162.9×77.9×8.2 mm | 165.0×77.4×8.4 mm | |
| Weight | 227 g | 203 g | |
| Launch price | $420 | $450 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A72
- Main: 64MP
- Telephoto: 8MP
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A72
- 6.7" AMOLED
- Refresh rate: 90 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A72
- 5000 mAh
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A72, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A72 by 524.9% 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 A72 (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A72 (94/100 vs 68/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy A72 are nearly equal (37/100 vs 36/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A72 (78/100 vs 52/100).
portability
In the "portability" category, the Samsung Galaxy A72 is a bit better (52/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A72?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A72 by 27 points (73/100 vs 46/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A72?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A72 — 46/100.
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A72?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A72?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.