Samsung Galaxy A91 vs Xiaomi Mi 9
The Samsung Galaxy A91 (2021) runs on the Qualcomm Snapdragon 855, while the Xiaomi Mi 9 (2019) runs on the Qualcomm Snapdragon 855. By overall MobileRank rating, the Samsung Galaxy A91 leads — 51/100 vs 47/100 (a 4-point difference). Key differences: the Samsung Galaxy A91 has the bigger battery (4500 mAh vs 3300); the Xiaomi Mi 9 has NFC for contactless payments, the Samsung Galaxy A91 doesn't.
Profile comparison
Category scores
Samsung Galaxy A91
Xiaomi Mi 9
What makes Samsung Galaxy A91 better?
- Bigger battery: 4500 vs 3300 mAh
- Faster charging: 45W vs 27W
- Longer battery life (38/100 vs 22/100)
- Better display (81/100 vs 56/100)
What makes Xiaomi Mi 9 better?
- Better camera (44/100 vs 41/100)
Comparison verdict
Comparing the Samsung Galaxy A91 vs the Xiaomi Mi 9, the Samsung Galaxy A91 scores 4 points higher (51/100 vs 47/100). In the "battery" category, the Samsung Galaxy A91 leads (38/100 vs 22/100). In the "performance" category, both devices are on the same level — 54/100. In the "display" category, the Samsung Galaxy A91 notably outperforms the Xiaomi Mi 9 (81/100 vs 56/100). In the "camera" category, the Xiaomi Mi 9 and the Samsung Galaxy A91 are nearly equal (44/100 vs 41/100). In the "battery" category, the Samsung Galaxy A91 notably outperforms the Xiaomi Mi 9 (38/100 vs 22/100).
Specs comparison
| Specification | Samsung Galaxy A91 | Xiaomi Mi 9 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 855 | |
| AnTuTu | 824513 | 824513 | |
| Geekbench Single | 968 | 968 | |
| Geekbench Multi | 2731 | 2731 | |
| Display | 6.7" Super AMOLED | 6.4" AMOLED | |
| Resolution | 1080x2400 | 2340x1080 | |
| Refresh rate | — | 60 Hz | |
| Battery | 4500 mAh | 3300 mAh | |
| Charging | 45W | 27W | |
| Wireless charging | 0W | 20W | |
| Main camera | 48 MP | 48 MP | |
| Ultrawide | 12 MP | 16 MP | |
| Telephoto | 0 MP | 12 MP | |
| Front camera | 32 MP | 20 MP | |
| RAM | 8GB | 6GB / 8GB | |
| Storage | 128GB | 64GB / 128GB | |
| OS | Android 10, One UI | Android 9 | |
| NFC | no | yes | |
| Dimensions | — | 157.5×74.7×7.6 mm | |
| Weight | — | 173 g | |
| Launch price | — | $400 |
Camera comparison
Samsung Galaxy A91
- Main: 48MP f/2.0
- Ultrawide: 12MP
- Front: 32MP
Xiaomi Mi 9
- Main: 48MP f/1.75
- Ultrawide: 16MP
- Telephoto: 12MP
- Front: 20MP
Display comparison
Samsung Galaxy A91
- 6.7" Super AMOLED
- Resolution: 1080x2400
- Refresh rate: —
Xiaomi Mi 9
- 6.4" AMOLED
- Resolution: 2340x1080
- Refresh rate: 60 Hz
Battery and charging
Samsung Galaxy A91
- 4500 mAh
- Wired: 45W
- No wireless charging
Xiaomi Mi 9
- 3300 mAh
- Wired: 27W
- Wireless: 20W
Overall performance score
We compared Samsung Galaxy A91 and Xiaomi Mi 9, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy A91
Price unknownDetailed category analysis
performance
In the "performance" category, both devices are on the same level — 54/100.
display
In the "display" category, the Samsung Galaxy A91 notably outperforms the Xiaomi Mi 9 (81/100 vs 56/100).
camera
In the "camera" category, the Xiaomi Mi 9 and the Samsung Galaxy A91 are nearly equal (44/100 vs 41/100).
battery
In the "battery" category, the Samsung Galaxy A91 notably outperforms the Xiaomi Mi 9 (38/100 vs 22/100).
Frequently asked questions
Which is better: the Samsung Galaxy A91 or the Xiaomi Mi 9?
The Samsung Galaxy A91 edges out the Xiaomi Mi 9 by just 4 points — the two devices are very close in overall level.
What is the rating of the Samsung Galaxy A91 and the Xiaomi Mi 9?
The Samsung Galaxy A91 has a MobileRank rating of 51/100, the Xiaomi Mi 9 — 47/100.
Should you choose the Samsung Galaxy A91 over the Xiaomi Mi 9?
Neither model stands out enough to recommend it for a specific use case: the clearest difference is display — better on the Samsung Galaxy A91 (81/100 vs 56/100).