Here is the comparison of features and specification of the mobile phones Celkon A21 and Acer Iconia Tab A3.
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 A3 is manufactured by Acer and this phone was announced in 2014, October. Acer Iconia Tab A3 comes with with 10.1 inches and the resolution of the screen is 1280 x 800 pixels.
This phone supports following network:
2G: N/A
Dipsplay Type: The dispaly type of the Acer Iconia Tab A3 is LED-backlit IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Acer Iconia Tab A3 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab A3 |
| Display | 4.0 inches | 10.1 inches |
| Resolution | 320 x 480 pixels | 1280 x 800 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 3.15 MP | 5 MP |
| Front Camera | 1.3 MP | 2 MP |
| Storage | 512 MB ROM | 16 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Po 5700 mAh (A3-A20-K19H) |
| Full Specification comparison of Celkon A21 vs Acer Iconia Tab A3 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab A3 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 10.1 inches (~67.8% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 1280 x 800 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 1280 x 800 pixels (~149 ppi pixel density) |
| Display Type | Capacitive touchscreen | LED-backlit IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | Corning Gorilla Glass 4 (TBC), oleophobic coating | |
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 16 GB, 1 GB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 128 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
10.1 inches (~67.8% screen-to-body ratio) LED-backlit IPS LCD capacitive touchscreen, 16M colors 1280 x 800 pixels (~149 ppi pixel density) |
| Display Type | Capacitive touchscreen | LED-backlit IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 5 MP, 2592 ? 1944 pixels |
| Front Camera | 1.3 MP | 2 MP |
| Camera Features | Geo-tagging | |
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, hotspot |
| Bluetooth | v4.0 | v4.0 |
| GPS | No | A-GPS |
| 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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