Redmi K90 vs Samsung Galaxy A18 4G
84.3Performance20
65.4Display46
53.1Camera41.9
83.2Battery43.7
86.7Features49.3
10 spec wins — Redmi K903 spec wins — Samsung Galaxy A18 4G
InnoReviews verdict
Redmi K90 wins this phone face-off, 74.3 to 37.3, pulling ahead mainly in performance (+64) and battery (+40). Samsung Galaxy A18 4G 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
- Stronger performance score: 84 vs 20
- Stronger display score: 65 vs 46
- Stronger camera score: 53 vs 42
- Stronger battery score: 83 vs 44
- Stronger features score: 87 vs 49
Reasons to pick the Samsung Galaxy A18 4G
No decisive spec advantages — this side competes on price and preference.
Display
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Screen size | 6.59 ″ | 6.7 ″+2% |
| Panel type | AMOLED | Super AMOLED |
| Resolution | 2510x1156 | 1080x2340 |
| Pixel density | 419 ppi+9% | 385 ppi |
| Refresh rate | 120 Hz+33% | 90 Hz |
| Peak brightness | 3,500 nits | — |
| Screen-to-body | 89.8 %+4% | 86 % |
Performance
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Chipset | Snapdragon 8 Elite | Exynos 1610 |
| AnTuTu | 3,106,623Top 11% | — |
| AnTuTu 11 (CPU) | 872,376Top 15% | — |
| AnTuTu 11 (GPU) | 1,143,259Top 13% | — |
| AnTuTu 11 (Memory) | 462,601Top 6% | — |
| AnTuTu 11 (UX) | 628,387Top 13% | — |
| RAM (max) | 16 GB+300% | 4 GB |
| Storage options | 256GB / 512GB / 1TB | 64/128/256GB |
| Storage type | UFS | — |
Camera
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Main camera | 50 MP | 50 MP |
| Main aperture | f/1.88 | f/1.8 |
| Ultra-wide | 8 MP+60% | 5 MP |
| Telephoto | 50 MP | — |
| Optical zoom | 2.5 x | — |
| Max video | 8K@30fps | 1080p@30fps |
| Front camera | 20 MP+54% | 13 MP |
| OIS | Yes | Yes |
Battery
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Capacity | 7,100 mAh+42% | 5,000 mAh |
| Wired charging | 100 W+300% | 25 W |
Design
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Weight | 206 g | 196 g+5% |
| Thickness | 8 mm | 7.7 mm+4% |
| IP rating | IP68 | IP64 |
| Frame material | Aluminum | Plastic |
Connectivity
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| 5G | Yes | No |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.3 |
| NFC | Yes | Yes |
| USB | USB-C | USB-C 2.0 |
| eSIM | No | No |
Software
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| OS at launch | Android 16 (HyperOS 3) | Android 17 (One UI 9) |
| OS update pledge | — | 6 years |
Audio
| Spec | Redmi K90 | Samsung Galaxy A18 4G |
|---|---|---|
| Stereo speakers | Yes | No |
| 3.5mm jack | No | No |