Redmi K90 Ultra vs Samsung Galaxy Z Fold Special
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy Z Fold Special (2024) runs on the Qualcomm Snapdragon 8 Gen 3. By overall MobileRank rating, the Redmi K90 Ultra leads — 73/100 vs 64/100 (a 9-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4400); the main camera is 50 MP vs 200 MP; the Redmi K90 Ultra is faster in AnTuTu (3,233,695 vs 2,345,563); the Samsung Galaxy Z Fold Special is thinner (4.9mm vs 8.2mm).
Profile comparison
Category scores
Redmi K90 Ultra
Samsung Galaxy Z Fold Special
What makes Redmi K90 Ultra better?
- Higher AnTuTu: 3233695 vs 2345563
- Better Geekbench Single: 3013 vs 2203
- Better Geekbench Multi: 9287 vs 6511
- Bigger battery: 8550 vs 4400 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Lighter: 227g vs 236g
- Higher performance (92/100 vs 82/100)
- Longer battery life (78/100 vs 39/100)
- Better display (94/100 vs 78/100)
What makes Samsung Galaxy Z Fold Special better?
- Better main camera: 200MP vs 50MP
- Better camera (51/100 vs 37/100)
- Better portability (54/100 vs 40/100)
Comparison verdict
Comparing the Redmi K90 Ultra vs the Samsung Galaxy Z Fold Special, the Redmi K90 Ultra scores 9 points higher (73/100 vs 64/100). In the "performance" category, the Redmi K90 Ultra leads (92/100 vs 82/100). In the "camera" category, the Samsung Galaxy Z Fold Special leads (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (78/100 vs 39/100). In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 82/100). In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy Z Fold Special (94/100 vs 78/100). In the "camera" category, the Samsung Galaxy Z Fold Special is a bit better (51/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold Special (78/100 vs 39/100). In the "portability" category, the Samsung Galaxy Z Fold Special is a bit better (54/100 vs 40/100).
Specs comparison
| Specification | Redmi K90 Ultra | Samsung Galaxy Z Fold Special | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 | |
| AnTuTu | 3233695 | 2345563 | |
| Geekbench Single | 3013 | 2203 | |
| Geekbench Multi | 9287 | 6511 | |
| Display | 6.8" AMOLED | 8.0" Foldable Dynamic LTPO AMOLED 2 | |
| Resolution | 1280x2772 | 1968x2184 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4400 mAh | |
| Charging | 100W | 25W | |
| Wireless charging | 0W | 15W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 20 MP | 4 MP | |
| RAM | 12GB / 16GB | 16GB | |
| Storage | 256GB / 512GB | 512GB | |
| OS | Android 16 | Android 14, up to 7 major Android upgrades, One UI 6.1.1 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP48 | |
| Dimensions | 162.9×77.9×8.2 mm | 157.9×142.6×4.9 mm | |
| Weight | 227 g | 236 g | |
| Launch price | $420 | — |
Camera comparison
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy Z Fold Special
- Main: 200MP f/1.8
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 4MP
Display comparison
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy Z Fold Special
- 8.0" Foldable Dynamic LTPO AMOLED 2
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Battery and charging
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy Z Fold Special
- 4400 mAh
- Wired: 25W
- Wireless: 15W
Overall performance score
We compared Redmi K90 Ultra and Samsung Galaxy Z Fold Special, covering their specs and all relevant benchmarks.
Redmi K90 Ultra leads Samsung Galaxy Z Fold Special by 37.9% in our overall performance rating.
Benchmarks
Launch prices and where to check today's
Samsung Galaxy Z Fold Special
Price unknownDetailed category analysis
performance
In the "performance" category, the Redmi K90 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, the Redmi K90 Ultra notably outperforms the Samsung Galaxy Z Fold Special (94/100 vs 78/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold Special is a bit better (51/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold Special (78/100 vs 39/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold Special is a bit better (54/100 vs 40/100).
Frequently asked questions
Which is better: the Redmi K90 Ultra or the Samsung Galaxy Z Fold Special?
The Redmi K90 Ultra edges out the Samsung Galaxy Z Fold Special by just 9 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy Z Fold Special?
The Redmi K90 Ultra has a MobileRank rating of 73/100, the Samsung Galaxy Z Fold Special — 64/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy Z Fold Special?
The Samsung Galaxy Z Fold Special leads on camera score (51/100 vs 37/100).
Which is more powerful: the Redmi K90 Ultra or the Samsung Galaxy Z Fold Special?
The Redmi K90 Ultra leads on performance (92/100 vs 82/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy Z Fold Special?
The Redmi K90 Ultra is a better fit for gamers and power users, those who care about battery life. The Samsung Galaxy Z Fold Special is a better fit for gamers and power users.