Here is the comparison of features and specification of the mobile phones Celkon A21 and Apple iPad Air 2.
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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Apple iPad Air 2 is manufactured by Apple and this phone was announced in 2014, October. Apple iPad Air 2 comes with with 9.7 inches and the resolution of the screen is 1536 x 2048 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 1700 / 1900 / 2100
4G: LTE 700/800/850/900/1800/1900/2100/2600 TD-LTE 1900/2300/2500/2600 (1,2,3,4,5,7,8,13,17,18,19,20,25,26,28,29,38,39,40,41) - A1567
Dipsplay Type: The dispaly type of the Apple iPad Air 2 is LED-backlit IPS LCD with capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Apple iPad Air 2 | ||
| Mobile Device | Celkon A21 | Apple iPad Air 2 |
| Display | 4.0 inches | 9.7 inches |
| Resolution | 320 x 480 pixels | 1536 x 2048 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Triple-core 1.5 GHz |
| Primary Camera | 3.15 MP | 8 MP |
| Front Camera | 1.3 MP | 1.2 MP |
| Storage | 512 MB ROM | 16/64/128 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Po (27.3 Wh) |
| Full Specification comparison of Celkon A21 vs Apple iPad Air 2 | ||
| Mobile Device | Celkon A21 | Apple iPad Air 2 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 9.7 inches (~71.6% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 1536 x 2048 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 1536 x 2048 pixels (~264 ppi pixel density) |
| Display Type | Capacitive touchscreen | LED-backlit IPS LCD with capacitive touchscreen with 16M colors |
| Screen Protection | Scratch-resistant glass, oleophobic coating | |
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Triple-core 1.5 GHz |
| Interal Storage | 512 MB ROM, 256 MB RAM | 16/64/128 GB, 2 GB RAM |
| External Storage | microSD, up to 32 GB | No |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | iOS 8.1, upgradable to iOS 8.2 |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
9.7 inches (~71.6% screen-to-body ratio) LED-backlit IPS LCD, capacitive touchscreen, 16M colors 1536 x 2048 pixels (~264 ppi pixel density) |
| Display Type | Capacitive touchscreen | LED-backlit IPS LCD, capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 8 MP, 3264 x 2448 pixels, autofocus, check quality |
| Front Camera | 1.3 MP | 1.2 MP, 720p@30fps, face detection, HDR, FaceTime over Wi-Fi or Cellular |
| Camera Features | 1.12�m pixel size, geo-tagging, touch focus, face/smile detection, HDR (photo/panorama) | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G | HSDPA 2100 | HSDPA 850 / 900 / 1700 / 1900 / 2100 |
| 4G | LTE 700/800/850/900/1800/1900/2100/2600 TD-LTE 1900/2300/2500/2600 (1,2,3,4,5,7,8,13,17,18,19,20,25,26,28,29,38,39,40,41) - A1567 | |
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP, EDR |
| GPS | No | Yes, with A-GPS, GLONASS (3G/LTE model only) |
| USB | Yes | v2.0, reversible connector |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | ||
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | Yes | |
| Temperature Sensor | ||
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