Redmi K90 Ultra vs Samsung Galaxy S7 Edge
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S7 Edge (2016) runs on the Samsung Exynos 8890; launch prices were $420 and $790. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 28/100 (a 45-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3600); the main camera is 50 MP vs 12 MP; the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 413,736); the Samsung Galaxy S7 Edge is noticeably lighter (157g vs 227g).
Redmi K90 Ultra
Samsung Galaxy S7 Edge
- Higher AnTuTu: 3119308 vs 413736
- Better Geekbench Single: 3041 vs 413
- Better Geekbench Multi: 9494 vs 1102
- Bigger battery: 8550 vs 3600 mAh
- Better main camera: 50MP vs 12MP
- Higher refresh rate: 165Hz vs 60Hz
- Cheaper at launch: $420 vs $790
- Higher performance (92/100 vs 29/100)
- Better camera (37/100 vs 10/100)
- Longer battery life (78/100 vs 17/100)
- Better display (94/100 vs 51/100)
- Lighter: 157g vs 227g
- Better portability (87/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy S7 Edge, the Redmi K90 Ultra scores 45 points higher (73/100 vs 28/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 29/100). In the "camera" category, the Redmi K90 Ultra leads (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 17/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy S7 Edge — 0/100; it is biased by price level, so it should not be compared directly between devices at different prices. In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (92/100 vs 29/100). In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (94/100 vs 51/100). In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S7 Edge (37/100 vs 10/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (78/100 vs 17/100). In the "portability" category, the Samsung Galaxy S7 Edge significantly outperforms the Redmi K90 Ultra (87/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy S7 Edge | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 8890 | |
| AnTuTu | 3119308 | 413736 | |
| Geekbench Single | 3041 | 413 | |
| Geekbench Multi | 9494 | 1102 | |
| Display | 6.8" AMOLED | 5.5" AMOLED | |
| Resolution | 1280x2772 | — | |
| Refresh rate | 165 Hz | 60 Hz | |
| Battery | 8550 mAh | 3600 mAh | |
| Charging | 100W | — | |
| Main camera | 50 MP | 12 MP | |
| Ultrawide | 8 MP | 0 MP | |
| Front camera | 20 MP | 5 MP | |
| RAM | 12GB / 16GB | 4GB | |
| Storage | 256GB / 512GB | 32GB | |
| OS | Android 16 | — | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 150.9×72.6×7.7 mm | |
| Weight | 227 g | 157 g | |
| Launch price | $420 | $790 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy S7 Edge
- Main: 12MP
- Front: 5MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy S7 Edge
- 5.5" AMOLED
- Refresh rate: 60 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S7 Edge
- 3600 mAh
- Wireless: supported, wattage unknown
We compared Redmi K90 Ultra and Samsung Galaxy S7 Edge, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy S7 Edge by 653.9% in our overall performance rating.
Launch price difference: $370. Redmi K90 Ultra was $370 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (92/100 vs 29/100).
display
In the "display" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (94/100 vs 51/100).
camera
In the "camera" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S7 Edge (37/100 vs 10/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge (78/100 vs 17/100).
portability
In the "portability" category, the Samsung Galaxy S7 Edge significantly outperforms the Redmi K90 Ultra (87/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy S7 Edge?
The Redmi K90 Ultra significantly outperforms the Samsung Galaxy S7 Edge by 45 points (73/100 vs 28/100).
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy S7 Edge?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy S7 Edge — 28/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy S7 Edge?
The Redmi K90 Ultra leads on camera score (37/100 vs 10/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy S7 Edge?
The Redmi K90 Ultra leads on performance (92/100 vs 29/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy S7 Edge?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy S7 Edge is a better fit for everyday use.