Redmi K90 Ultra vs Samsung Galaxy Z Fold 7
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy Z Fold 7 (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $420 and $1999. Both devices score the same overall rating of 61/100. Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4400); the main camera is 50 MP vs 200 MP; the Samsung Galaxy Z Fold 7 is faster in AnTuTu (3,065,623 vs 2,760,000); the Samsung Galaxy Z Fold 7 is thinner (4.2mm vs 8.2mm).
Redmi K90 Ultra
Samsung Galaxy Z Fold 7
- Better Geekbench Single: 3050 vs 2910
- Better Geekbench Multi: 9300 vs 9174
- Bigger battery: 8550 vs 4400 mAh
- Faster charging: 100W vs 25W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $420 vs $1999
- Longer battery life (77/100 vs 25/100)
- Better value for money (81/100 vs 0/100)
- Higher AnTuTu: 3065623 vs 2760000
- Better main camera: 200MP vs 50MP
- Lighter: 215g vs 227g
- Higher performance (67/100 vs 65/100)
- Better camera (76/100 vs 32/100)
- Better design/ergonomics (31/100 vs 16/100)
The Redmi K90 Ultra and the Samsung Galaxy Z Fold 7 received the same MobileRank rating — 61/100. In the "camera" category, the Samsung Galaxy Z Fold 7 leads (76/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra leads (77/100 vs 25/100). In the "value for money" category, the Redmi K90 Ultra leads (81/100 vs 0/100). In the "performance" category, the Samsung Galaxy Z Fold 7 and the Redmi K90 Ultra are nearly equal (67/100 vs 65/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy Z Fold 7 significantly outperforms the Redmi K90 Ultra (76/100 vs 32/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold 7 (77/100 vs 25/100). In the "design" category, the Samsung Galaxy Z Fold 7 notably outperforms the Redmi K90 Ultra (31/100 vs 16/100). In the "value for money" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold 7 (81/100 vs 0/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy Z Fold 7 | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 2760000 | 3065623 | |
| Geekbench Single | 3050 | 2910 | |
| Geekbench Multi | 9300 | 9174 | |
| Display | 6.8" AMOLED | 8.0" Dynamic AMOLED 2X | |
| Resolution | 1280x2772 | 2184x1968 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4400 mAh | |
| Charging | 100W | 25W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 145 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 12 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 20 MP | 10 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / One UI 8 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP48 | |
| Dimensions | 162.9×77.9×8.2 mm | 158.4×143.2×4.2 mm | |
| Weight | 227 g | 215 g | |
| Price | $420 | $1999 |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy Z Fold 7
- Main: 200MP f/f/1.7
- Ultrawide: 12MP
- Telephoto: 10MP
- Front: 10MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy Z Fold 7
- 8.0" Dynamic AMOLED 2X
- Resolution: 2184x1968
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy Z Fold 7
- 4400 mAh
- Wired: 25W
- Wireless: 15W
We compared Redmi K90 Ultra and Samsung Galaxy Z Fold 7, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold 7 leads Redmi K90 Ultra by 10.0% in our overall performance rating.
Price difference: $1579. Redmi K90 Ultra is cheaper by $1579.
performance
In the "performance" category, the Samsung Galaxy Z Fold 7 and the Redmi K90 Ultra are nearly equal (67/100 vs 65/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy Z Fold 7 significantly outperforms the Redmi K90 Ultra (76/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold 7 (77/100 vs 25/100).
design
In the "design" category, the Samsung Galaxy Z Fold 7 notably outperforms the Redmi K90 Ultra (31/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold 7 (81/100 vs 0/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy Z Fold 7?
Both devices scored 61/100. The choice depends on your priorities: if performance matters more — go with the Samsung Galaxy Z Fold 7.
What is the rating of the Redmi K90 Ultra and the Samsung Galaxy Z Fold 7?
The Redmi K90 Ultra has a MobileRank rating of 61/100, the Samsung Galaxy Z Fold 7 — 61/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy Z Fold 7?
The Samsung Galaxy Z Fold 7 leads on camera score (76/100 vs 32/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy Z Fold 7?
The Redmi K90 Ultra is a better fit for active users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy Z Fold 7 is a better fit for active users.