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- K31 vs Galaxy J2 Core (2020)
LG K31 vs Samsung Galaxy J2 Core (2020)
What K31 does better (18) and where Galaxy J2 Core (2020) wins (0) — every spec side by side.
vs
2.9Display2.2
4.2Camera2.3
2.4Features2.9
Dimensions
Size comparison
K31Galaxy J2 Core (2020)
| K31 | Galaxy J2 Core (2020) | Difference | |
|---|---|---|---|
| Height | 147.8 mm | 143.4 mm | +4.4 mm |
| Width | 71.1 mm | 72.1 mm | −1 mm |
| Thickness | 8.6 mm | 8.9 mm | −0.3 mm |
| Weight | 146 g | 154 g | −8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K31 better than Galaxy J2 Core (2020)?
- RAM2 GB vs 1 GB2×
- Main camera13 MP vs 8 MP+62%
- Storage (max)32 GB vs 16 GB2×
- Battery capacity3,000 mAh vs 2,600 mAh+15%
- CPU frequency2 GHz vs 1.4 GHz+43%
- Process12 nm vs 28 nm2.3×
- Pixel density295 ppi vs 220 ppi+34%
- CPU cores8 vs 42×
- Storage (base)32 GB vs 16 GB2×
- Rear cameras2 vs 12×
- Ultra-wide cameraYes · Galaxy J2 Core (2020): No
- Screen size5.7″ vs 5″+14%
Why is Galaxy J2 Core (2020) better than K31?
Galaxy J2 Core (2020) has no measurable advantages in this pair.
Specifications
Side by side
| Design | ||
| Weight | 146 g | 154 g |
| Thickness | 8.6 mm | 8.9 mm |
| Height | 147.8 mm | 143.4 mm |
| Width | 71.1 mm | 72.1 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Colours | Gray | Black, Gold, Blue |
| Display | ||
| Screen size | 5.7″ | 5″ |
| Panel | IPS LCD | PLS LCD |
| OLED panel | No | No |
| Resolution (width) | 720 px | 540 px |
| Resolution (height) | 1,520 px | 960 px |
| Pixel density | 295 ppi | 220 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 77.2% | 66.7% |
| Performance | ||
| Chipset | Mediatek MT6762 Helio P22 | Qualcomm MSM8917 Snapdragon 425 |
| Chip maker | MediaTek | Qualcomm |
| Process | 12 nm | 28 nm |
| CPU cores | 8 | 4 |
| CPU frequency | 2 GHz | 1.4 GHz |
| GPU | PowerVR GE8320 | Adreno 308 |
| Memory | ||
| RAM | 2 GB | 1 GB |
| Storage (max) | 32 GB | 16 GB |
| Storage (base) | 32 GB | 16 GB |
| Storage type | eMMC 5.1 | eMMC 5.0 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 13 MP | 8 MP |
| Main camera aperture | f/1.8 | f/2.2 |
| Main sensor size | 1/3.1" | — |
| Rear cameras | 2 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | Yes | No |
| Telephoto camera | No | No |
| Max video | 1080p | 1080p |
| Selfie camera | 5 MP | 5 MP |
| 4K selfie video | No | — |
| Battery | ||
| Battery capacity | 3,000 mAh | 2,600 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | No | — |
| Connectivity | ||
| 5G | No | — |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 4.2 |
| NFC | No | No |
| USB | microUSB 2.0 | microUSB 2.0 |
| Satellite navigation | — | GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | — |
| Sensors | Fingerprint (rear-mounted), accelerometer | Accelerometer, proximity |
| SAR (head) | — | 0.99 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 8.1 Oreo (Go edition) |
| Platform | Android | Android |
