REDMI K90 Ultra vs Samsung Galaxy A57 5G
64.4Performance28.9
78.7Display65.7
43.4Camera42.6
83.2Battery52.5
86.7Features57.3
6 spec wins — REDMI K90 Ultra3 spec wins — Samsung Galaxy A57 5G
InnoReviews verdict
REDMI K90 Ultra wins this phone face-off, 69.1 to 46.5, pulling ahead mainly in performance (+36) and battery (+31). Samsung Galaxy A57 5G still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the REDMI K90 Ultra
- Stronger performance score: 64 vs 29
- Stronger display score: 79 vs 66
- Stronger battery score: 83 vs 53
- Stronger features score: 87 vs 57
- 122% higher Wired charging: 100 W vs 45 W
Reasons to pick the Samsung Galaxy A57 5G
- 50% higher ultra-wide: 12 MP vs 8 MP
- 21% lower weight: 179 g vs 227 g
- 16% lower thickness: 6.9 mm vs 8.2 mm
Display
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Screen size | 6.83 ″+2% | 6.7 ″ |
| Panel type | AMOLED | Super AMOLED+ |
| Resolution | 1280x2772 | — |
| Pixel density | 447 ppi | — |
| Refresh rate | 165 Hz+38% | 120 Hz |
| Peak brightness | 3,500 nits | — |
| Screen-to-body | 90.3 % | — |
Performance
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Samsung Exynos 1680 |
| RAM (max) | 16 GB+100% | 8 GB |
| Storage options | 256/512GB | 128/256GB |
| Storage type | UFS 4.1 | — |
Camera
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.7 | f/1.8 |
| Ultra-wide | 8 MP | 12 MP+50% |
| Max video | 8K@30fps | — |
| Front camera | 20 MP+67% | 12 MP |
| OIS | Yes | Yes |
Battery
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Capacity | 8,550 mAh+71% | 5,000 mAh |
| Wired charging | 100 W+122% | 45 W |
| Wireless charging | — | 0 W |
Design
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Weight | 227 g | 179 g+21% |
| Thickness | 8.2 mm | 6.9 mm+16% |
| IP rating | IP68/IP69 | IP68 |
| Frame material | Aluminum | — |
Connectivity
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 6E |
| Bluetooth | 5.4 | — |
| NFC | Yes | — |
| USB | USB-C | USB-C |
| eSIM | No | — |
Software
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 16 (One UI 8.5) |
| OS update pledge | — | 6 years |
Audio
| Spec | REDMI K90 Ultra | Samsung Galaxy A57 5G |
|---|---|---|
| Stereo speakers | Yes | — |
| 3.5mm jack | No | — |