Redmi K90 Ultra vs Samsung Galaxy S25 Edge
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S25 Edge (2025) runs on the Qualcomm Snapdragon 8 Elite; launch prices were $420 and $1099. By overall MobileRank rating, the Samsung Galaxy S25 Edge leads — 75/100 vs 73/100 (a 2-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 3900); the main camera is 50 MP vs 200 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 3,034,849); the Samsung Galaxy S25 Edge is noticeably lighter (163g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy S25 Edge
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 3034849
- Better Geekbench Single: 3013 vs 2970
- Bigger battery: 8550 vs 3900 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $1099
- Higher performance (92/100 vs 91/100)
- Longer battery life (78/100 vs 29/100)
- Better display (94/100 vs 89/100)
What makes Samsung Galaxy S25 Edge better?
- Better Geekbench Multi: 9490 vs 9287
- Better main camera: 200MP vs 50MP
- Lighter: 163g vs 227g
- Better camera (73/100 vs 37/100)
- Better portability (97/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy S25 Edge, the Samsung Galaxy S25 Edge scores 2 points higher (75/100 vs 73/100). In the "camera" category, the Samsung Galaxy S25 Edge leads (73/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 29/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy S25 Edge — 60/100; 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 and the Samsung Galaxy S25 Edge are nearly equal (92/100 vs 91/100). In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100). In the "camera" category, the Samsung Galaxy S25 Edge significantly outperforms the Redmi K90 Ultra (73/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S25 Edge (78/100 vs 29/100). In the "portability" category, the Samsung Galaxy S25 Edge significantly outperforms the Redmi K90 Ultra (97/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy S25 Edge | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3233695 | 3034849 | |
| Geekbench Single | 3013 | 2970 | |
| Geekbench Multi | 9287 | 9490 | |
| Display | 6.8" AMOLED | 6.7" Dynamic AMOLED 2X | |
| Resolution | 1280x2772 | 3120x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 3900 mAh | |
| Charging | 100W | 25W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 140 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB | |
| Storage | 256GB / 512GB | 256GB / 512GB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 158.2×75.6×5.8 mm | |
| Weight | 227 g | 163 g | |
| Launch price | $420 | $1099 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy S25 Edge
- Main: 200MP f/1.7
- Ultrawide: 12MP
- Front: 12MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy S25 Edge
- 6.7" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S25 Edge
- 3900 mAh
- Wired: 25W
- Wireless: 15W
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy S25 Edge, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy S25 Edge by 6.6% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $679. Redmi K90 Ultra was $679 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra and the Samsung Galaxy S25 Edge are nearly equal (92/100 vs 91/100).
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 89/100).
camera
In the "camera" category, the Samsung Galaxy S25 Edge significantly outperforms the Redmi K90 Ultra (73/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy S25 Edge (78/100 vs 29/100).
portability
In the "portability" category, the Samsung Galaxy S25 Edge significantly outperforms the Redmi K90 Ultra (97/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy S25 Edge?
The Samsung Galaxy S25 Edge edges out the Redmi K90 Ultra by just 2 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy S25 Edge?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy S25 Edge — 75/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy S25 Edge?
The Samsung Galaxy S25 Edge leads on camera score (73/100 vs 37/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy S25 Edge?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy S25 Edge is a better fit for gamers and power users.