Redmi K90 Max vs Samsung Galaxy S25 Ultra
The Redmi K90 Max (2026) runs on the MediaTek Dimensity 9500, while the Samsung Galaxy S25 Ultra (2025) runs on the Qualcomm Snapdragon 8 Elite; estimated prices are $504 and $1299. By overall MobileRank rating, the Redmi K90 Max leads — 67/100 vs 66/100 (a 1-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 Redmi K90 Max is faster in AnTuTu (3,803,420 vs 2,800,202).
Redmi K90 Max
Samsung Galaxy S25 Ultra
- Higher AnTuTu: 3803420 vs 2800202
- Better Geekbench Single: 3228 vs 3100
- Bigger battery: 8550 vs 5000 mAh
- Faster charging: 100W vs 45W
- Higher refresh rate: 165Hz vs 120Hz
- Cheaper: $504 vs $1299
- Higher performance (82/100 vs 67/100)
- Longer battery life (77/100 vs 45/100)
- Better value for money (75/100 vs 20/100)
- Better Geekbench Multi: 9760 vs 9553
- Better main camera: 200MP vs 50MP
- Lighter: 218g vs 227g
- Better camera (81/100 vs 32/100)
- Better design/ergonomics (27/100 vs 16/100)
Comparing the Redmi K90 Max vs the Samsung Galaxy S25 Ultra, the Redmi K90 Max scores 1 points higher (67/100 vs 66/100). In the "performance" category, the Redmi K90 Max leads (82/100 vs 67/100). In the "camera" category, the Samsung Galaxy S25 Ultra leads (81/100 vs 32/100). In the "battery" category, the Redmi K90 Max leads (77/100 vs 45/100). In the "value for money" category, the Redmi K90 Max leads (75/100 vs 20/100). In the "performance" category, the Redmi K90 Max notably outperforms the Samsung Galaxy S25 Ultra (82/100 vs 67/100). In the "display" category, both devices are on the same level — 100/100. In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi K90 Max (81/100 vs 32/100). In the "battery" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy S25 Ultra (77/100 vs 45/100). In the "design" category, the Samsung Galaxy S25 Ultra is a bit better (27/100 vs 16/100). In the "value for money" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy S25 Ultra (75/100 vs 20/100).
| Specification | Redmi K90 Max | Samsung Galaxy S25 Ultra | |
|---|---|---|---|
| Processor | MediaTek Dimensity 9500 | Qualcomm Snapdragon 8 Elite | |
| AnTuTu | 3803420 | 2800202 | |
| Geekbench Single | 3228 | 3100 | |
| Geekbench Multi | 9553 | 9760 | |
| Display | 6.8" AMOLED | 6.9" Dynamic AMOLED 2X | |
| Resolution | 2772x1280 | 3120x1440 | |
| Refresh rate | 165 Hz | 120 Hz | |
| Battery | 8550 mAh | 5000 mAh | |
| Charging | 100W | 45W | |
| Wireless charging | 0W | 15W | |
| DXOMark (camera) | — | 151 | |
| Main camera | 50 MP | 200 MP | |
| Ultrawide | 8 MP | 50 MP | |
| Telephoto | 0 MP | 50 MP | |
| Front camera | 20 MP | 12 MP | |
| RAM | 12GB / 16GB | 12GB / 16GB | |
| Storage | 256GB / 512GB / 1TB | 256GB / 512GB / 1TB | |
| OS | Android 16 | Android 15 / One UI 7 | |
| Brightness (peak) | 3500 nits | 2600 nits | |
| NFC | yes | yes | |
| Protection | IP66 | IP68 | |
| Dimensions | 162.9×77.9×8.1 mm | 162.8×77.6×8.2 mm | |
| Weight | 227 g | 218 g | |
| Price | $504 | $1299 |
Redmi K90 Max
- Main: 50MP f/f/1.68
- Ultrawide: 8MP
- Front: 20MP
Samsung Galaxy S25 Ultra
- Main: 200MP f/f/1.7
- Ultrawide: 50MP
- Telephoto: 50MP
- Front: 12MP
Redmi K90 Max
- 6.8" AMOLED
- Resolution: 2772x1280
- Refresh rate: 165 Hz
Samsung Galaxy S25 Ultra
- 6.9" Dynamic AMOLED 2X
- Resolution: 3120x1440
- Refresh rate: 120 Hz
Redmi K90 Max
- 8550 mAh
- Wired: 100W
- No wireless charging
Samsung Galaxy S25 Ultra
- 5000 mAh
- NanoReview test: web browsing 11:10 hrs, total 28:43 hrs
- Wired: 45W
- Wireless: 15W
We compared Redmi K90 Max and Samsung Galaxy S25 Ultra, covering their specs and all relevant benchmarks.
Redmi K90 Max leads Samsung Galaxy S25 Ultra by 35.8% in our overall performance rating.
Price difference: $795. Redmi K90 Max is cheaper by $795.
performance
In the "performance" category, the Redmi K90 Max notably outperforms the Samsung Galaxy S25 Ultra (82/100 vs 67/100).
display
In the "display" category, both devices are on the same level — 100/100.
camera
In the "camera" category, the Samsung Galaxy S25 Ultra significantly outperforms the Redmi K90 Max (81/100 vs 32/100).
battery
In the "battery" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy S25 Ultra (77/100 vs 45/100).
design
In the "design" category, the Samsung Galaxy S25 Ultra is a bit better (27/100 vs 16/100).
value for money
In the "value for money" category, the Redmi K90 Max significantly outperforms the Samsung Galaxy S25 Ultra (75/100 vs 20/100).
Which is better: the Redmi K90 Max or the Samsung Galaxy S25 Ultra?
The Redmi K90 Max edges out the Samsung Galaxy S25 Ultra by just 1 points — the two devices are very close in overall level.
What is the rating of the Redmi K90 Max and the Samsung Galaxy S25 Ultra?
The Redmi K90 Max has a MobileRank rating of 67/100, the Samsung Galaxy S25 Ultra — 66/100.
Which has the better camera: the Redmi K90 Max or the Samsung Galaxy S25 Ultra?
The Samsung Galaxy S25 Ultra leads on camera score (81/100 vs 32/100).
Which is more powerful: the Redmi K90 Max or the Samsung Galaxy S25 Ultra?
The Redmi K90 Max leads on performance (82/100 vs 67/100).
Should you choose the Redmi K90 Max over the Samsung Galaxy S25 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 S25 Ultra is a better fit for active users, mobile photography enthusiasts.