Here is the comparison of features and specification of the mobile phones Celkon A21 and Acer Iconia Tab A1.
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 A1 is manufactured by Acer and this phone was announced in 2013, Q2. Acer Iconia Tab A1 comes with with 7.9 inches and the resolution of the screen is 768 x 1024 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA
Dipsplay Type: The dispaly type of the Acer Iconia Tab A1 is TFT capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Acer Iconia Tab A1 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab A1 |
| Display | 4.0 inches | 7.9 inches |
| Resolution | 320 x 480 pixels | 768 x 1024 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7 |
| Primary Camera | 3.15 MP | 5 MP |
| Front Camera | 1.3 MP | VGA |
| Storage | 512 MB ROM | 8 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Ion 4960 mAh (18.6 Wh) |
| Full Specification comparison of Celkon A21 vs Acer Iconia Tab A1 | ||
| Mobile Device | Celkon A21 | Acer Iconia Tab A1 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 7.9 inches (~63.6% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 768 x 1024 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 768 x 1024 pixels (~162 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7 |
| 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, v4.2 (Jelly Bean) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
7.9 inches (~63.6% screen-to-body ratio) TFT capacitive touchscreen, 16M colors 768 x 1024 pixels (~162 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 5 MP, 2592 ? 1944 pixels, autofocus |
| Front Camera | 1.3 MP | VGA |
| Camera Features | Geo-tagging | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G | HSDPA 2100 | HSDPA |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP |
| GPS | No | Yes, with 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 | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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