Redmi K90 Ultra vs Samsung Galaxy S25 FE
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy S25 FE (2025) runs on the Samsung Exynos 2400; launch prices were $420 and $599. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 67/100 (a 6-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4700); the Redmi K90 Ultra is faster in AnTuTu (3,119,308 vs 2,019,654); the Samsung Galaxy S25 FE is noticeably lighter (190g vs 227g).
Redmi K90 Ultra
Samsung Galaxy S25 FE
- Higher AnTuTu: 3119308 vs 2019654
- Better Geekbench Single: 3041 vs 2085
- Better Geekbench Multi: 9494 vs 6507
- Bigger battery: 8550 vs 4700 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper at launch: $420 vs $599
- Higher performance (92/100 vs 79/100)
- Longer battery life (78/100 vs 50/100)
- Better display (94/100 vs 79/100)
- Lighter: 190g vs 227g
- Better camera (56/100 vs 37/100)
- Better portability (71/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy S25 FE, the Redmi K90 Ultra scores 6 points higher (73/100 vs 67/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 79/100). In the "camera" category, the Samsung Galaxy S25 FE leads (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 50/100). Value score: Redmi K90 Ultra — 82/100, Samsung Galaxy S25 FE — 46/100; 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 is a bit better (92/100 vs 79/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S25 FE (94/100 vs 79/100). In the "camera" category, the Samsung Galaxy S25 FE notably outperforms the Redmi K90 Ultra (56/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S25 FE (78/100 vs 50/100). In the "portability" category, the Samsung Galaxy S25 FE significantly outperforms the Redmi K90 Ultra (71/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy S25 FE | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2400 | |
| AnTuTu | 3119308 | 2019654 | |
| Geekbench Single | 3041 | 2085 | |
| Geekbench Multi | 9494 | 6507 | |
| Display | 6.8" AMOLED | 6.7" AMOLED | |
| Resolution | 1280x2772 | 1080x2340 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4700 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 118 | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 8 MP | |
| Front camera | 20 MP | 10 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 16, up to 7 major Android upgrades, One UI 8 | |
| Brightness (peak) | 3500 nits | 1900 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP68 | |
| Dimensions | 162.9×77.9×8.2 mm | 161.3×76.6×7.4 mm | |
| Weight | 227 g | 190 g | |
| Launch price | $420 | $599 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy S25 FE
- Main: 50MP
- Ultrawide: 12MP
- Telephoto: 8MP
- Front: 10MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy S25 FE
- 6.7" AMOLED
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S25 FE
- 4700 mAh
- Wired: 45W
- Wireless: 15W
We compared Redmi K90 Ultra and Samsung Galaxy S25 FE, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy S25 FE by 54.4% in our overall performance rating.
Launch price difference: $179. Redmi K90 Ultra was $179 cheaper at launch.
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 79/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S25 FE (94/100 vs 79/100).
camera
In the "camera" category, the Samsung Galaxy S25 FE notably outperforms the Redmi K90 Ultra (56/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy S25 FE (78/100 vs 50/100).
portability
In the "portability" category, the Samsung Galaxy S25 FE significantly outperforms the Redmi K90 Ultra (71/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy S25 FE?
The Redmi K90 Ultra edges out the Samsung Galaxy S25 FE by just 6 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy S25 FE?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy S25 FE — 67/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy S25 FE?
The Samsung Galaxy S25 FE leads on camera score (56/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy S25 FE?
The Redmi K90 Ultra leads on performance (92/100 vs 79/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy S25 FE?
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 S25 FE is a better fit for active users.