Here is the comparison of features and specification of the mobile phones Celkon A21 and Cat B25.
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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Cat B25 is manufactured by Cat and this phone was announced in 2013. Cat B25 comes with with 2.0 inches and the resolution of the screen is 240 x 320 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Dipsplay Type: The dispaly type of the Cat B25 is TFT.
| Specification Summary: Celkon A21 vs Cat B25 | ||
| Mobile Device | Celkon A21 | Cat B25 |
| Display | 4.0 inches | 2.0 inches |
| Resolution | 320 x 480 pixels | 240 x 320 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | 208 MHz |
| Primary Camera | 3.15 MP | 2 MP |
| Front Camera | 1.3 MP | No |
| Storage | 512 MB ROM | |
| Battery | Li-Ion 1500 mAh | Li-Ion 1300 mAh |
| Full Specification comparison of Celkon A21 vs Cat B25 | ||
| Mobile Device | Celkon A21 | Cat B25 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 2.0 inches (~17.4% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 240 x 320 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 240 x 320 pixels (~200 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT |
| Screen Protection | ||
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | 208 MHz |
| Interal Storage | 512 MB ROM, 256 MB RAM | |
| External Storage | microSD, up to 32 GB | microSD, up to 8 GB |
OS |
||
| OS Details | 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) |
2.0 inches (~17.4% screen-to-body ratio) TFT 240 x 320 pixels (~200 ppi pixel density) |
| Display Type | Capacitive touchscreen | TFT |
Camera |
||
| Main Camera | 3.15 MP | 2 MP, 1600 x 1200 pixels, autofocus |
| Front Camera | 1.3 MP | No |
| Camera Features | ||
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 | |
| 4G | ||
| Wi-Fi/connectivity | Yes | No |
| Bluetooth | v4.0 | v2.1 |
| GPS | No | No |
| USB | Yes | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | ||
| Accelerometer | Yes | |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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