Redmi K90 Max vs Samsung Galaxy Z Fold8 Ultra
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy Z Fold8 Ultra (2026) runs on the Snapdragon 8 Elite Gen 5; estimated prices are $504 and $2199. By overall MobileRank rating, the Samsung Galaxy Z Fold8 Ultra leads — 71/100 vs 67/100 (a 4-point difference). Key differences: the Redmi K90 Max has the bigger battery (8550 mAh vs 5000); the main camera is 50 MP vs 200 MP; the Samsung Galaxy Z Fold8 Ultra is faster in AnTuTu (3,942,923 vs 3,803,420); the Samsung Galaxy Z Fold8 Ultra is thinner (4.1mm vs 8.1mm).
Redmi K90 Max
Samsung Galaxy Z Fold8 Ultra
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 60W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $504 vs $2199
- Longer battery life (77/100 vs 51/100)
- Better value for money (75/100 vs 0/100)
- Higher AnTuTu: 3942923 vs 3803420
- Better Geekbench Single: 3640 vs 3228
- Better Geekbench Multi: 11033 vs 9553
- Better main camera: 200MP vs 50MP
- Lighter: 215g vs 227g
- Higher performance (92/100 vs 82/100)
- Better camera (64/100 vs 32/100)
- Better design/ergonomics (31/100 vs 16/100)
Comparing the Redmi K90 Max vs the Samsung Galaxy Z Fold8 Ultra, the Samsung Galaxy Z Fold8 Ultra scores 4 points higher (71/100 vs 67/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra leads (92/100 vs 82/100). In the "camera" category, the Samsung Galaxy Z Fold8 Ultra leads (64/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 51/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 0/100). In the "performance" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (92/100 vs 82/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi K90 Max (64/100 vs 32/100). In the "battery" category, the Redmi K90 Max notably outperforms the Samsung Galaxy Z Fold8 Ultra (77/100 vs 51/100). In the "design" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Redmi K90 Max (31/100 vs 16/100). In the "value for money" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy Z Fold8 Ultra (75/100 vs 0/100).
| Specification | Redmi K90 Max | Samsung Galaxy Z Fold8 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Snapdragon 8 Elite Gen 5 | |
| AnTuTu | 3803420 | 3942923 | |
| Geekbench Single | 3228 | 3640 | |
| Geekbench Multi | 9553 | 11033 | |
| Display | 6.8" AMOLED | 8.0" Foldable Dynamic LTPO AMOLED 2X | |
| Resolution | 2772x1280 | 1968x2184 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 60W | |
| Wireless charging | 0W | 25W | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 10 MP | |
| Front camera | 20 MP | 10 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 16 / One UI 8.5 | |
| Brightness (peak) | 3500 nits | — | |
| NFC | yes | yes | |
| Protection | IP66 | IP48 | |
| Dimensions | 162.9×77.9×8.1 mm | — | |
| Weight | 227 g | 215 g | |
| Price | $504 | $2199 |
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy Z Fold8 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 10MP
- Front: 10MP
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Samsung Galaxy Z Fold8 Ultra
- 8.0" Foldable Dynamic LTPO AMOLED 2X
- Resolution: 1968x2184
- Refresh rate: 120 Hz
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy Z Fold8 Ultra
- 5000 mAh
- Wired: 60W
- Wireless: 25W
We compared Redmi K90 Max and Samsung Galaxy Z Fold8 Ultra, covering their specs and all relevant benchmarks.
Samsung Galaxy Z Fold8 Ultra leads Redmi K90 Max by 3.5% in our overall performance rating.
Price difference: $1695. Redmi K90 Max is cheaper by $1695.
performance
In the "performance" category, the Samsung Galaxy Z Fold8 Ultra is a bit better (92/100 vs 82/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy Z Fold8 Ultra significantly outperforms the Redmi K90 Max (64/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Max notably outperforms the Samsung Galaxy Z Fold8 Ultra (77/100 vs 51/100).
design
In the "design" category, the Samsung Galaxy Z Fold8 Ultra notably outperforms the Redmi K90 Max (31/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy Z Fold8 Ultra (75/100 vs 0/100).
Which is better: the Redmi K90 Max or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra edges out the Redmi K90 Max by just 4 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Max and the Samsung Galaxy Z Fold8 Ultra?
The Redmi K90 Max has a MobileRank rating of 67/100, the Samsung Galaxy Z Fold8 Ultra — 71/100.
Which has the better camera: the Redmi K90 Max or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on camera score (64/100 vs 32/100).
Which is more powerful: the Redmi K90 Max or the Samsung Galaxy Z Fold8 Ultra?
The Samsung Galaxy Z Fold8 Ultra leads on performance (92/100 vs 82/100).
Should you choose the Redmi K90 Max over the Samsung Galaxy Z Fold8 Ultra?
The Redmi K90 Max is a better fit for gamers and power users, those who care about battery life, budget-conscious buyers. The Samsung Galaxy Z Fold8 Ultra is a better fit for gamers and power users.