Redmi K90 Ultra vs Samsung Galaxy A7 2017
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy A7 2017 (2017) runs on the Samsung Exynos 7880; launch prices were $420 and $459. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 18/100 (a 55-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3600); the main camera is 50 MP vs 16 MP; the Samsung Galaxy A7 2017 is noticeably lighter (186g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy A7 2017
What makes Redmi K90 Ultra better?
- Better Geekbench Single: 3013 vs 175
- Better Geekbench Multi: 9287 vs 760
- Bigger battery: 8550 vs 3600 mAh
- Faster charging: 100W vs 15W
- Better main camera: 50MP vs 16MP
- Higher refresh rate: 165Hz vs 60Hz
- Cheaper at launch: $420 vs $459
- Higher performance (92/100 vs 1/100)
- Better camera (37/100 vs 14/100)
- Longer battery life (78/100 vs 16/100)
- Better display (94/100 vs 55/100)
What makes Samsung Galaxy A7 2017 better?
- Lighter: 186g vs 227g
- Better portability (68/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy A7 2017, the Redmi K90 Ultra scores 55 points higher (73/100 vs 18/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 1/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 14/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 16/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy A7 2017 — 0/100; 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 A7 2017 (92/100 vs 1/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 (94/100 vs 55/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A7 2017 (37/100 vs 14/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 (78/100 vs 16/100). In the "portability" category, the Samsung Galaxy A7 2017 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy A7 2017 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 7880 | |
| AnTuTu | 3233695 | — | |
| Geekbench Single | 3013 | 175 | |
| Geekbench Multi | 9287 | 760 | |
| Display | 6.8" AMOLED | 5.7" Super AMOLED | |
| Resolution | 1280x2772 | 1920x1080 | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 3600 mAh | |
| Charging | 100W | 15W | |
| Main camera | 50 MP | 16 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 16 MP | |
| RAM | 12GB / 16GB | 3GB | |
| Storage | 256GB / 512GB | 32GB | |
| OS | Android 16 | Android 6.0 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 156.8×77.6×7.9 mm | |
| Weight | 227 g | 186 g | |
| Launch price | $420 | $459 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy A7 2017
- Main: 16MP f/1.9
- Front: 16MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy A7 2017
- 5.7" Super AMOLED
- Resolution: 1920x1080
- Refresh rate: 60 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy A7 2017
- 3600 mAh
- Wired: 15W
- Wireless charging: no data
Benchmarks
Launch prices and where to check today's
Launch price difference: $39. Redmi K90 Ultra was $39 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 (92/100 vs 1/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 (94/100 vs 55/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy A7 2017 (37/100 vs 14/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 (78/100 vs 16/100).
portability
In the "portability" category, the Samsung Galaxy A7 2017 notably outperforms the Redmi K90 Ultra (68/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy A7 2017?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy A7 2017 by 55 points (73/100 vs 18/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy A7 2017?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy A7 2017 — 18/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy A7 2017?
The Redmi K90 Ultra leads on camera score (37/100 vs 14/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy A7 2017?
The Redmi K90 Ultra leads on performance (92/100 vs 1/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy A7 2017?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life.