Here is the comparison of features and specification of the mobile phones vivo Y28 and Celkon A21.
vivo Y28 is manufactured by vivo and this phone was announced in 2014, December. vivo Y28 comes with with 4.7 inches and the resolution of the screen is 540 x 960 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 2100
Dipsplay Type: The dispaly type of the vivo Y28 is IPS LCD capacitive touchscreen with 16M colors.
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Celkon A21 is manufactured by Celkon and this phone was announced in 2014. Celkon A21 comes with with 4.0 inches and the resolution of the screen is 320 x 480 pixels.
This phone supports following network:
2G: GSM 900 / 1800 - SIM 1 & SIM 2
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the Celkon A21 is Capacitive touchscreen.
| Specification Summary: vivo Y28 vs Celkon A21 | ||
| Mobile Device | vivo Y28 | Celkon A21 |
| Display | 4.7 inches | 4.0 inches |
| Resolution | 540 x 960 pixels | 320 x 480 pixels |
| Processor | Quad-core 1.3 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 8 MP | 3.15 MP |
| Front Camera | 5 MP | 1.3 MP |
| Storage | 8 GB | 512 MB ROM |
| Battery | Li-Po 2100 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of vivo Y28 vs Celkon A21 | ||
| Mobile Device | vivo Y28 | Celkon A21 |
Display |
||
| Screen Size | 4.7 inches (~68.1% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 540 x 960 pixels | 320 x 480 pixels |
| Pixel Density | 540 x 960 pixels (~216 ppi pixel density) | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 8 GB, 1 GB RAM | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 4.7 inches (~68.1% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 540 x 960 pixels (~216 ppi pixel density) |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
||
| Main Camera | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | 3.15 MP |
| Front Camera | 5 MP | 1.3 MP |
| Camera Features | Geo-tagging, touch focus, face detection | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 2100 | HSDPA 2100 |
| 4G | ||
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n, hotspot | Yes |
| Bluetooth | v4.0, A2DP, EDR | v4.0 |
| GPS | Yes, with A-GPS | No |
| USB | microUSB v2.0 | Yes |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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