Here is the comparison of features and specification of the mobile phones Celkon A21 and Vertu Constellation 2013.
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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Vertu Constellation 2013 is manufactured by Vertu and this phone was announced in 2013, October. Vertu Constellation 2013 comes with with 4.3 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 1700 / 1900 / 2100
Dipsplay Type: The dispaly type of the Vertu Constellation 2013 is Sapphire crystal glass capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Vertu Constellation 2013 | ||
| Mobile Device | Celkon A21 | Vertu Constellation 2013 |
| Display | 4.0 inches | 4.3 inches |
| Resolution | 320 x 480 pixels | 720 x 1280 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.7 GHz |
| Primary Camera | 3.15 MP | 13 MP |
| Front Camera | 1.3 MP | 1.3 MP |
| Storage | 512 MB ROM | 32 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Ion 1800 mAh |
| Full Specification comparison of Celkon A21 vs Vertu Constellation 2013 | ||
| Mobile Device | Celkon A21 | Vertu Constellation 2013 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 4.3 inches (~50.9% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 720 x 1280 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 720 x 1280 pixels (~342 ppi pixel density) |
| Display Type | Capacitive touchscreen | Sapphire crystal glass capacitive touchscreen with 16M colors |
| Screen Protection | Scratch-proof glass | |
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.7 GHz |
| Interal Storage | 512 MB ROM, 256 MB RAM | 32 GB |
| External Storage | microSD, up to 32 GB | No |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
4.3 inches (~50.9% screen-to-body ratio) Sapphire crystal glass capacitive touchscreen, 16M colors 720 x 1280 pixels (~342 ppi pixel density) |
| Display Type | Capacitive touchscreen | Sapphire crystal glass capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 13 MP, 4128 x 3096 pixels, autofocus, dual-LED flash |
| Front Camera | 1.3 MP | 1.3 MP |
| 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 850 / 900 / 1700 / 1900 / 2100 |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP, LE |
| GPS | No | Yes, with A-GPS, GLONASS |
| USB | Yes | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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