Here is the comparison of features and specification of the mobile phones Sharp Aquos Crystal and Celkon A21.
Sharp Aquos Crystal is manufactured by Sharp and this phone was announced in 2014, August. Sharp Aquos Crystal comes with with 5.0 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: CDMA 800 / 1900
3G: CDMA2000 1xEV-DO
4G: LTE 850 / 1900 / 2500 (Bands 25, 26, 41)
Dipsplay Type: The dispaly type of the Sharp Aquos Crystal is TFT 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: Sharp Aquos Crystal vs Celkon A21 | ||
| Mobile Device | Sharp Aquos Crystal | Celkon A21 |
| Display | 5.0 inches | 4.0 inches |
| Resolution | 720 x 1280 pixels | 320 x 480 pixels |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 8 MP | 3.15 MP |
| Front Camera | 1.2 MP | 1.3 MP |
| Storage | 8 GB | 512 MB ROM |
| Battery | Li-Ion 2040 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of Sharp Aquos Crystal vs Celkon A21 | ||
| Mobile Device | Sharp Aquos Crystal | Celkon A21 |
Display |
||
| Screen Size | 5.0 inches (~78.5% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 720 x 1280 pixels | 320 x 480 pixels |
| Pixel Density | 720 x 1280 pixels (~294 ppi pixel density) | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | TFT capacitive touchscreen with 16M colors | Capacitive touchscreen |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 8 GB, 1.5 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, v4.4.2 (KitKat) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 5.0 inches (~78.5% screen-to-body ratio) TFT capacitive touchscreen, 16M colors 720 x 1280 pixels (~294 ppi pixel density) |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | TFT capacitive touchscreen, 16M colors | Capacitive touchscreen |
Camera |
||
| Main Camera | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | 3.15 MP |
| Front Camera | 1.2 MP | 1.3 MP |
| Camera Features | Geo-tagging, touch focus, face/smile detection, panorama, HDR | |
Connectivity |
||
| GPRS | No | Yes |
| EDGE | No | Yes |
| 2G | CDMA 800 / 1900 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | CDMA2000 1xEV-DO | HSDPA 2100 |
| 4G | LTE 850 / 1900 / 2500 (Bands 25, 26, 41) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n, hotspot | Yes |
| Bluetooth | v4.0, A2DP, LE | v4.0 |
| GPS | Yes, with A-GPS | No |
| USB | microUSB v2.0 | Yes |
Multimedia |
||
| FM Radio | No | 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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