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- Galaxy M31s vs Redmi K30S
Samsung Galaxy M31s vs Xiaomi Redmi K30S
What Galaxy M31s does better (9) and where Redmi K30S wins (11) — every spec side by side.
vs
6.2Display6.9
7.5Camera8.2
7.5Battery6.0
5.0Features8.7
Dimensions
Size comparison
Galaxy M31sRedmi K30S
| Galaxy M31s | Redmi K30S | Difference | |
|---|---|---|---|
| Height | 159.3 mm | 165.1 mm | −5.8 mm |
| Width | 74.4 mm | 76.4 mm | −2 mm |
| Thickness | 9.3 mm | 9.3 mm | = |
| Weight | 203 g | 216 g | −13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy M31s better than Redmi K30S?
- OLED panelYes · Redmi K30S: No
- Battery capacity6,000 mAh vs 5,000 mAh+20%
- Memory card slotYes · Redmi K30S: No
- 4K selfie videoYes · Redmi K30S: No
- 3.5 mm headphone jackYes · Redmi K30S: No
- Weight203 g vs 216 g+6%
- Pixel density405 ppi vs 395 ppi+3%
- Selfie camera32 MP vs 20 MP+60%
- Main camera aperturef/1.8 vs f/1.9+6%
Why is Redmi K30S better than Galaxy M31s?
- Refresh rate60 Hz vs 144 Hz2.4×
- Storage (max)128 GB vs 256 GB2×
- 5GNo · Galaxy M31s: Yes
- Stereo speakersNo · Galaxy M31s: Yes
- Wired charging25 W vs 33 W+32%
- CPU frequency2.3 GHz vs 2.84 GHz+23%
- Max video4K vs 8K
- 4K video frame rate30 fps vs 60 fps2×
- Screen size6.5″ vs 6.7″+3%
- Process10 nm vs 7 nm+43%
- Wi-Fi standardWi-Fi 5 vs Wi-Fi 6+20%
Specifications
Side by side
| Design | ||
| Weight | 203 g | 216 g |
| Thickness | 9.3 mm | 9.3 mm |
| Height | 159.3 mm | 165.1 mm |
| Width | 74.4 mm | 76.4 mm |
| Frame | — | Aluminium |
| Back | — | Glass |
| Glass protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Colours | Mirage Black, Mirage Blue | Cosmic Black, Lunar Silver |
| Display | ||
| Screen size | 6.5″ | 6.7″ |
| Panel | Super AMOLED | IPS LCD |
| OLED panel | Yes | No |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 405 ppi | 395 ppi |
| Refresh rate | 60 Hz | 144 Hz |
| Peak brightness | — | 650 nits |
| Screen-to-body ratio | 86.1% | 85.2% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Exynos 9611 | Qualcomm SM8250 Snapdragon 865 5G |
| Chip maker | Exynos | Qualcomm |
| Process | 10 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2.84 GHz |
| GPU | Mali-G72 MP3 | Adreno 650 |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 2.1 | UFS 3.1 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.8 | f/1.9 |
| Main sensor size | 1/1.73" | 1/1.73" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 8K |
| 4K video frame rate | 30 fps | 60 fps |
| Selfie camera | 32 MP | 20 MP |
| 4K selfie video | Yes | No |
| Battery | ||
| Battery capacity | 6,000 mAh | 5,000 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 25 W | 33 W |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5 | 5.1 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Dual-band GPS | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | Yes | No |
| Fingerprint sensor | Side | Side |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| SAR (head) | 1.38 W/kg | — |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | One UI 4.1 | MIUI 12 |








