Redmi K90 Ultra vs Samsung Galaxy Z Fold Wide
The Redmi K90 Ultra (2026) runs on the Qualcomm Snapdragon 8 Elite, while the Samsung Galaxy Z Fold Wide (2026) runs on the Qualcomm Snapdragon 8 Elite. By overall MobileRank rating, the Redmi K90 Ultra leads — 75/100 vs 71/100 (a 4-point difference). Key differences: the Redmi K90 Ultra has the bigger battery (8550 mAh vs 4800); the Samsung Galaxy Z Fold Wide is noticeably lighter (199g vs 227g).
Redmi K90 Ultra
Samsung Galaxy Z Fold Wide
- Bigger battery: 8550 vs 4800 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Longer battery life (92/100 vs 45/100)
- Better display (94/100 vs 81/100)
- Lighter: 199g vs 227g
- Better camera (50/100 vs 37/100)
- Better portability (76/100 vs 40/100)
Comparing the Redmi K90 Ultra vs the Samsung Galaxy Z Fold Wide, the Redmi K90 Ultra scores 4 points higher (75/100 vs 71/100). In the "camera" category, the Samsung Galaxy Z Fold Wide leads (50/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra leads (92/100 vs 45/100). In the "performance" category, both devices are on the same level — 92/100. In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100). In the "camera" category, the Samsung Galaxy Z Fold Wide is a bit better (50/100 vs 37/100). In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold Wide (92/100 vs 45/100). In the "portability" category, the Samsung Galaxy Z Fold Wide significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
| Specification | Redmi K90 Ultra | Samsung Galaxy Z Fold Wide | |
|---|---|---|---|
| Processor | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3119308 | 3119308 | |
| Geekbench Single | 3041 | 3041 | |
| Geekbench Multi | 9494 | 9494 | |
| Display | 6.8" AMOLED | 7.6" Foldable Dynamic LTPO AMOLED 2 | |
| Resolution | 1280x2772 | 1828x2584 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 4800 mAh | |
| Charging | 100W | 45W | |
| Main camera | 50 MP | 50 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Front camera | 20 MP | 10 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16, up to 7 major Android upgrades, One UI 8 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP68/IP69 | IP48 | |
| Dimensions | 162.9×77.9×8.2 mm | 161.4×123.9×4.9 mm | |
| Weight | 227 g | 199 g | |
| Price | $420 | — |
Redmi K90 Ultra
- Main: 50MP f/1.7
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy Z Fold Wide
- Main: 50MP
- Ultrawide: 50MP
- Front: 10MP
Redmi K90 Ultra
- 6.8" AMOLED
- Resolution: 1280x2772
- Refresh rate: 165 Hz
Samsung Galaxy Z Fold Wide
- 7.6" Foldable Dynamic LTPO AMOLED 2
- Resolution: 1828x2584
- Refresh rate: 120 Hz
Redmi K90 Ultra
- 8550 mAh
- Wired: 100W
- Wireless charging: no data
Samsung Galaxy Z Fold Wide
- 4800 mAh
- Wired: 45W
- No wireless charging
We compared Redmi K90 Ultra and Samsung Galaxy Z Fold Wide, covering their specs and all relevant benchmarks.
Equal performance based on benchmark results.
Samsung Galaxy Z Fold Wide
Price unknownperformance
In the "performance" category, both devices are on the same level — 92/100.
display
In the "display" category, the Redmi K90 Ultra is a bit better (94/100 vs 81/100).
camera
In the "camera" category, the Samsung Galaxy Z Fold Wide is a bit better (50/100 vs 37/100).
battery
In the "battery" category, the Redmi K90 Ultra significantly outperforms the Samsung Galaxy Z Fold Wide (92/100 vs 45/100).
portability
In the "portability" category, the Samsung Galaxy Z Fold Wide significantly outperforms the Redmi K90 Ultra (76/100 vs 40/100).
Which is better: the Redmi K90 Ultra or the Samsung Galaxy Z Fold Wide?
The Redmi K90 Ultra edges out the Samsung Galaxy Z Fold Wide by just 4 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 Wide?
The Redmi K90 Ultra has a MobileRank rating of 75/100, the Samsung Galaxy Z Fold Wide — 71/100.
Which has the better camera: the Redmi K90 Ultra or the Samsung Galaxy Z Fold Wide?
The Samsung Galaxy Z Fold Wide leads on camera score (50/100 vs 37/100).
Should you choose the Redmi K90 Ultra over the Samsung Galaxy Z Fold Wide?
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 Z Fold Wide is a better fit for gamers and power users.