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- Galaxy M31 vs Galaxy M42 5G
Samsung Galaxy M31 vs Samsung Galaxy M42 5G
What Galaxy M31 does better (7) and where Galaxy M42 5G wins (5) — every spec side by side.
vs
5.1Display5.5
7.5Camera6.7
6.6Battery4.0
5.0Features7.1
Dimensions
Size comparison
Galaxy M31Galaxy M42 5G
| Galaxy M31 | Galaxy M42 5G | Difference | |
|---|---|---|---|
| Height | 159.2 mm | 164.4 mm | −5.2 mm |
| Width | 75.1 mm | 75.9 mm | −0.8 mm |
| Thickness | 8.9 mm | 8.6 mm | +0.3 mm |
| Weight | 191 g | 190 g | +1 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy M31 better than Galaxy M42 5G?
- Battery capacity6,000 mAh vs 5,000 mAh+20%
- Main camera64 MP vs 48 MP+33%
- Pixel density403 ppi vs 266 ppi+52%
- 4K selfie videoYes · Galaxy M42 5G: No
- CPU frequency2.3 GHz vs 2.2 GHz+5%
- Selfie camera32 MP vs 20 MP+60%
- Resolution (width)1,080 px vs 720 px+50%
Why is Galaxy M42 5G better than Galaxy M31?
- 5GNo · Galaxy M31: Yes
- Storage (base)64 GB vs 128 GB2×
- Screen size6.4″ vs 6.6″+3%
- Process10 nm vs 8 nm+25%
- Thickness8.9 mm vs 8.6 mm+3%
Specifications
Side by side
| Design | ||
| Weight | 191 g | 190 g |
| Thickness | 8.9 mm | 8.6 mm |
| Height | 159.2 mm | 164.4 mm |
| Width | 75.1 mm | 75.9 mm |
| Frame | Plastic | — |
| Back | Plastic | — |
| Glass protection | Corning Gorilla Glass 3 | — |
| Colours | Ocean Blue, Space Black, Red | Prism Dot Black, Prism Dot Gray |
| Display | ||
| Screen size | 6.4″ | 6.6″ |
| Panel | Super AMOLED | Super AMOLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 720 px |
| Resolution (height) | 2,340 px | 1,600 px |
| Pixel density | 403 ppi | 266 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Peak brightness | 420 nits | — |
| Measured brightness | 611 nits | — |
| Screen-to-body ratio | 84.1% | 84.3% |
| HDR | Yes | — |
| Performance | ||
| Chipset | Exynos 9611 | Qualcomm SM7225 Snapdragon 750G 5G |
| Chip maker | Exynos | Qualcomm |
| Process | 10 nm | 8 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.3 GHz | 2.2 GHz |
| GPU | Mali-G72 MP3 | Adreno 619 |
| AnTuTu score | 326,489 | — |
| Geekbench 6 (multi-core) | 1,023 | — |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage (max) | 128 GB | 128 GB |
| Storage (base) | 64 GB | 128 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 64 MP | 48 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.72" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 4K | 4K |
| 4K video frame rate | 30 fps | 30 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 | 15 W | 15 W |
| Charged in 30 min | 22% | — |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5 | 5 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | Under display |
| Sensors | Fingerprint (rear-mounted), accelerometer, gyro, compass | Fingerprint (under display, optical), accelerometer, gyro, compass |
| SAR (head) | 0.48 W/kg | 0.69 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 11 |
| Platform | Android | Android |
| Interface | One UI 4.1 | One UI 5.1 |









