Here is the comparison of features and specification of the mobile phones Celkon A21 and Acer Iconia Tab B1.
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.
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Acer Iconia Tab B1 is manufactured by Acer and this phone was announced in 2013, November. Acer Iconia Tab B1 comes with with 7.0 inches and the resolution of the screen is 600 x 1024 pixels.
This phone supports following network:
2G: N/A
Dipsplay Type: The dispaly type of the Acer Iconia Tab B1 is TFT capacitive touchscreen.
| Specification Summary: Celkon A21 vs Acer Iconia Tab B1 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab B1 |
| Display | 4.0 inches | 7.0 inches |
| Resolution | 320 x 480 pixels | 600 x 1024 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.2 GHz Cortex-A9 |
| Primary Camera | 3.15 MP | Yes |
| Front Camera | 1.3 MP | No |
| Storage | 512 MB ROM | 8 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Ion 2640 mAh |
| Full Specification comparison of Celkon A21 vs Acer Iconia Tab B1 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab B1 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 7.0 inches (~53.8% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 600 x 1024 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 600 x 1024 pixels (~170 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.2 GHz Cortex-A9 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 8 GB, 1 GB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
7.0 inches (~53.8% screen-to-body ratio) TFT capacitive touchscreen 600 x 1024 pixels (~170 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen |
Camera |
||
| Main Camera | 3.15 MP | Yes |
| Front Camera | 1.3 MP | No |
| Camera Features | ||
Connectivity |
||
| GPRS | Yes | No |
| EDGE | Yes | No |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | N/A |
| 3G | HSDPA 2100 | |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 b/g/n |
| Bluetooth | v4.0 | v4.0, A2DP |
| GPS | No | Yes |
| USB | Yes | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | ||
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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