Redmi K90 vs Samsung Galaxy S25 Ultra
84.3Performance80
65.4Display66.7
53.1Camera74
83.2Battery65.8
86.7Features94.7
10 spec wins — Redmi K908 spec wins — Samsung Galaxy S25 Ultra
InnoReviews verdict
This one is close to a dead heat: Redmi K90 scores 74.3 against 74.8 for Samsung Galaxy S25 Ultra. Pick by the categories that matter to you — Samsung Galaxy S25 Ultra edges ahead in camera and features, or by price.
Which would you pick?
Key differences
Reasons to pick the Redmi K90
- Stronger performance score: 84 vs 80
- Stronger battery score: 83 vs 66
- 122% higher Wired charging: 100 W vs 45 W
- 67% higher Front camera: 20 MP vs 12 MP
- 42% higher capacity: 7,100 mAh vs 5,000 mAh
Reasons to pick the Samsung Galaxy S25 Ultra
- Stronger camera score: 74 vs 53
- Stronger features score: 95 vs 87
- 525% higher ultra-wide: 50 MP vs 8 MP
- 300% higher Main camera: 200 MP vs 50 MP
- 100% higher Optical zoom: 5 x vs 2.5 x
Display
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Screen size | 6.59 ″ | 6.9 ″+5% |
| Panel type | AMOLED | Dynamic LTPO AMOLED 2X |
| Resolution | 2510x1156 | 1440x3120 |
| Pixel density | 419 ppi | 498 ppi+19% |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3,500 nits+35% | 2,600 nits |
| Screen-to-body | 89.8 % | 92.5 %+3% |
Performance
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite for Galaxy |
| AnTuTu 11 | 3,106,623+11%Top 11% | 2,787,981Top 21% |
| AnTuTu 11 (CPU) | 872,376Top 15% | 895,141+3%Top 11% |
| AnTuTu 11 (GPU) | 1,143,259+16%Top 13% | 989,555Top 21% |
| AnTuTu 11 (Memory) | 462,601+33%Top 6% | 348,188Top 27% |
| AnTuTu 11 (UX) | 628,387+13%Top 13% | 555,097Top 27% |
| Geekbench 6 (single) | — | 3,030Top 13% |
| Geekbench 6 (multi) | — | 9,800Top 8% |
| RAM (max) | 16 GB | 16 GB |
| Storage options | 256GB / 512GB / 1TB | 256/512GB/1TB |
| Storage type | UFS | UFS 4.0 |
Camera
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Main camera | 50 MP | 200 MP+300% |
| Main aperture | f/1.88 | f/1.7 |
| Ultra-wide | 8 MP | 50 MP+525% |
| Telephoto | 50 MP | 50 MP |
| Optical zoom | 2.5 x | 5 x+100% |
| Max video | 8K@30fps | 8K@30fps |
| Front camera | 20 MP+67% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Capacity | 7,100 mAh+42% | 5,000 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 15 W |
| Active use endurance | — | 13 h |
Design
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Weight | 206 g+6% | 218 g |
| Thickness | 8 mm+2% | 8.2 mm |
| IP rating | IP68 | IP68 |
| Frame material | Aluminum | Titanium |
Connectivity
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 3.2 |
| eSIM | No | Yes |
Software
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 15 (One UI 7) |
| OS update pledge | — | 7 years |
Audio
| Spec | Redmi K90 | Samsung Galaxy S25 Ultra |
|---|---|---|
| Stereo speakers | Yes | Yes |
| 3.5mm jack | No | No |
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