Redmi K90 Ultra vs Samsung Galaxy A71
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A71 (2020) runs on the Snapdragon 730; launch prices were $420 and $470. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 44/100 (a 29-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4500); the main camera is 50 MP vs 64 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 502,844); the Samsung Galaxy A71 is noticeably lighter (179g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A71
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 502844
- Better Geekbench Single: 3013 vs 724
- Better Geekbench Multi: 9287 vs 1836
- Bigger battery: 8550 vs 4500 mAh
- Higher refresh rate: 165Hz vs 60Hz
- Cheaper at launch: $420 vs $470
- Higher performance (92/100 vs 41/100)
- Longer battery life (78/100 vs 39/100)
- Better display (94/100 vs 51/100)
What makes Samsung Galaxy A71 better?
- Better main camera: 64MP vs 50MP
- Lighter: 179g vs 227g
- Better camera (45/100 vs 37/100)
- Better portability (75/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A71, the Redmi K90 Ultra scores 29 points higher (73/100 vs 44/100). 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 39/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy A71 — 12/100; 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 A71 (92/100 vs 41/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 (94/100 vs 51/100). In the "camera" category, the Samsung Galaxy A71 is a bit better (45/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 (78/100 vs 39/100). In the "portability" category, the Samsung Galaxy A71 significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A71 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Snapdragon 730 | |
| AnTuTu | 3233695 | 502844 | |
| Geekbench Single | 3013 | 724 | |
| Geekbench Multi | 9287 | 1836 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 4500 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 64 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 32 MP | |
| RAM | 12GB / 16GB | 6GB / 8GB | |
| Storage | 256GB / 512GB | 128GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 163.6×76.0×7.7 mm | |
| Weight | 227 g | 179 g | |
| Launch price | $420 | $470 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A71
- Main: 64MP
- Front: 32MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A71
- 6.7" AMOLED
- Refresh rate: 60 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A71
- 4500 mAh
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy A71, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy A71 by 543.1% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $50. Redmi K90 Ultra was $50 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 (92/100 vs 41/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 (94/100 vs 51/100).
camera
In the "camera" category, the Samsung Galaxy A71 is a bit better (45/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 (78/100 vs 39/100).
portability
In the "portability" category, the Samsung Galaxy A71 significantly outperforms the Redmi K90 Ultra (75/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A71?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A71 by 29 points (73/100 vs 44/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A71?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A71 — 44/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A71?
The Samsung Galaxy A71 leads on camera score (45/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A71?
The Redmi K90 Ultra leads on performance (92/100 vs 41/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A71?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.