Here is the comparison of features and specification of the mobile phones Celkon A21 and Sony Xperia T2 Ultra dual.
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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Sony Xperia T2 Ultra dual is manufactured by Sony and this phone was announced in 2014, January. Sony Xperia T2 Ultra dual comes with with 6.0 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 850 / 900 / 1900 / 2100 - SIM 1
Dipsplay Type: The dispaly type of the Sony Xperia T2 Ultra dual is IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Sony Xperia T2 Ultra dual | ||
| Mobile Device | Celkon A21 | Sony Xperia T2 Ultra dual |
| Display | 4.0 inches | 6.0 inches |
| Resolution | 320 x 480 pixels | 720 x 1280 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.4 GHz Cortex-A7 |
| Primary Camera | 3.15 MP | 13 MP |
| Front Camera | 1.3 MP | 1.1 MP |
| Storage | 512 MB ROM | 8 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Ion 3000 mAh |
| Full Specification comparison of Celkon A21 vs Sony Xperia T2 Ultra dual | ||
| Mobile Device | Celkon A21 | Sony Xperia T2 Ultra dual |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 6.0 inches (~71.7% 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 (~245 ppi pixel density) |
| Display Type | Capacitive touchscreen | IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 1.4 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, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
6.0 inches (~71.7% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 720 x 1280 pixels (~245 ppi pixel density) |
| Display Type | Capacitive touchscreen | IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 13 MP, 4128 x 3096 pixels, autofocus, LED flash |
| Front Camera | 1.3 MP | 1.1 MP, 720p@30fps |
| Camera Features | Geo-tagging, touch focus, face detection, HDR, sweep panorama | |
Connectivity |
||
| GPRS | Yes | Up to 107 kbps |
| EDGE | Yes | Up to 296 kbps |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 - SIM 1 |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP, apt-X |
| GPS | No | Yes, with A-GPS, GLONASS |
| USB | Yes | microUSB v2.0 (MHL TV-out) |
Multimedia |
||
| FM Radio | FM radio | FM radio with RDS |
| 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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