Redmi K90 Ultra vs Samsung Galaxy F56
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy F56 (2025) runs on the Exynos 1480; launch prices were $420 and $369. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 55/100 (a 18-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 5000); the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 1,021,736); the Redmi K90 Ultra has NFC for contactless payments, the Samsung Galaxy F56 doesn't; the Samsung Galaxy F56 is noticeably lighter (180g vs 227g).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy F56
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 1021736
- Better Geekbench Single: 3013 vs 1137
- Better Geekbench Multi: 9287 vs 3437
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Higher performance (92/100 vs 60/100)
- Better camera (37/100 vs 34/100)
- Longer battery life (78/100 vs 48/100)
- Better display (94/100 vs 79/100)
What makes Samsung Galaxy F56 better?
- Lighter: 180g vs 227g
- Cheaper at launch: $369 vs $420
- Better portability (80/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy F56, the Redmi K90 Ultra scores 18 points higher (73/100 vs 55/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 60/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 48/100). Value score: Redmi K90 Ultra — 72/100, Samsung Galaxy F56 — 42/100; 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 F56 (92/100 vs 60/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy F56 (94/100 vs 79/100). In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy F56 are nearly equal (37/100 vs 34/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy F56 (78/100 vs 48/100). In the "portability" category, the Samsung Galaxy F56 significantly outperforms the Redmi K90 Ultra (80/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy F56 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Exynos 1480 | |
| AnTuTu | 3233695 | 1021736 | |
| Geekbench Single | 3013 | 1137 | |
| Geekbench Multi | 9287 | 3437 | |
| Display | 6.8" AMOLED | 6.7" Super AMOLED+ | |
| Resolution | 1280x2772 | 1080x2340 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 8 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 8GB | |
| Storage | 256GB / 512GB | 128GB / 256GB | |
| OS | Android 16 | Android 15 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | no | |
| Protection | IP68/IP69 | — | |
| Dimensions | 162.9×77.9×8.2 mm | 162.0×77.3×7.2 mm | |
| Weight | 227 g | 180 g | |
| Launch price | $420 | $369 |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy F56
- Main: 50MP f/1.8
- Ultrawide: 8MP
- Front: 12MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy F56
- 6.7" Super AMOLED+
- Resolution: 1080x2340
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy F56
- 5000 mAh
- Wired: 45W
- No wireless charging
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy F56, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy F56 by 216.5% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Launch price difference: $51. Samsung Galaxy F56 was $51 cheaper at launch.
Detailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy F56 (92/100 vs 60/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy F56 (94/100 vs 79/100).
camera
In the "camera" category, the Redmi K90 Ultra and the Samsung Galaxy F56 are nearly equal (37/100 vs 34/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy F56 (78/100 vs 48/100).
portability
In the "portability" category, the Samsung Galaxy F56 significantly outperforms the Redmi K90 Ultra (80/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy F56?
The Redmi K90 Ultra is noticeably better than the Samsung Galaxy F56 — the overall rating gap is 18 points.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy F56?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy F56 — 55/100.
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy F56?
The Redmi K90 Ultra leads on performance (92/100 vs 60/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy F56?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy F56 is a better fit for active users.