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- G51 vs J20
BLU G51 vs Cubot J20
What G51 does better (12) and where J20 wins (1) — every spec side by side.
Dimensions
Size comparison
G51J20
| G51 | J20 | Difference | |
|---|---|---|---|
| Height | 155.3 mm | 126.3 mm | +29 mm |
| Width | 73.5 mm | 60.6 mm | +12.9 mm |
| Thickness | 9.5 mm | 12.7 mm | −3.2 mm |
| Weight | 166 g | 143 g | +23 g |
Drawn to the same scale from the official dimensions (front and side).
Why is G51 better than J20?
- Main camera8 MP vs 5 MP+60%
- Battery capacity3,000 mAh vs 2,350 mAh+28%
- Storage (max)32 GB vs 16 GB2×
- CPU frequency2 GHz vs 1.3 GHz+54%
- Screen size6.1″ vs 4″+52%
- Selfie camera8 MP vs 2 MP4×
- Process12 nm vs 28 nm2.3×
- Storage (base)32 GB vs 16 GB2×
- Pixel density276 ppi vs 245 ppi+13%
- Resolution (width)720 px vs 480 px+50%
- Screen-to-body ratio81.4% vs 57.6%+41%
- Thickness9.5 mm vs 12.7 mm+34%
Why is J20 better than G51?
- Weight166 g vs 143 g+16%
Specifications
Side by side
| Design | ||
| Weight | 166 g | 143 g |
| Thickness | 9.5 mm | 12.7 mm |
| Height | 155.3 mm | 126.3 mm |
| Width | 73.5 mm | 60.6 mm |
| Colours | Black, Blue, Green, Silver, Gold | Blue, Black, Green |
| Display | ||
| Screen size | 6.1″ | 4″ |
| Panel | IPS LCD | TN TFT |
| OLED panel | No | No |
| Resolution (width) | 720 px | 480 px |
| Resolution (height) | 1,520 px | 854 px |
| Pixel density | 276 ppi | 245 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Screen-to-body ratio | 81.4% | 57.6% |
| Performance | ||
| Chipset | Mediatek MT6761 Helio A22 | Mediatek MT6739WA |
| Chip maker | MediaTek | MediaTek |
| Process | 12 nm | 28 nm |
| CPU cores | 4 | 4 |
| CPU frequency | 2 GHz | 1.3 GHz |
| GPU | PowerVR GE8320 | PowerVR GE8100 |
| Memory | ||
| RAM | 2 GB | 2 GB |
| Storage (max) | 32 GB | 16 GB |
| Storage (base) | 32 GB | 16 GB |
| Storage type | eMMC 5.1 | — |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 5 MP |
| Rear cameras | 1 | 1 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | 1080p | — |
| Selfie camera | 8 MP | 2 MP |
| 4K selfie video | No | No |
| Battery | ||
| Battery capacity | 3,000 mAh | 2,350 mAh |
| Battery type | Li-Po | — |
| Connectivity | ||
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 4.2 | 4.2 |
| NFC | No | No |
| USB | microUSB 2.0 | Yes |
| Satellite navigation | — | GLONASS, GALILEO |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | Yes | Yes |
| Fingerprint sensor | Rear | — |
| Sensors | Fingerprint (rear-mounted), accelerometer, proximity | Accelerometer |
| Software | ||
| OS at launch | Android 11 (Go edition) | Android 12 (Go edition) |
| Platform | Android | Android |
