Here is the comparison of features and specification of the mobile phones Celkon A355 and Celkon A21.
Celkon A355 is manufactured by and this phone was announced in 2015, May. Celkon A355 comes with with 3.5 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
Dipsplay Type: The dispaly type of the Celkon A355 is Capacitive touchscreen.
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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: Celkon A355 vs Celkon A21 | ||
| Mobile Device | Celkon A355 | Celkon A21 |
| Display | 3.5 inches | 4.0 inches |
| Resolution | 320 x 480 pixels | 320 x 480 pixels |
| Processor | 1 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 2 MP | 3.15 MP |
| Front Camera | VGA | 1.3 MP |
| Storage | 512 MB | 512 MB ROM |
| Battery | Li-Ion 1200 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of Celkon A355 vs Celkon A21 | ||
| Mobile Device | Celkon A355 | Celkon A21 |
Display |
||
| Screen Size | 3.5 inches | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 320 x 480 pixels |
| Pixel Density | 320 x 480 pixels | 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen | Capacitive touchscreen |
| Screen Protection | ||
Processor and RAM |
||
| Processor | 1 GHz | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 512 MB, 256 MB RAM | 512 MB ROM, 256 MB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.4.2 (KitKat) | Android OS, v4.2.2 (Jelly Bean) |
Display |
||
| Display | 3.5 inches Capacitive touchscreen 320 x 480 pixels |
4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
| Display Type | Capacitive touchscreen | Capacitive touchscreen |
Camera |
||
| Main Camera | 2 MP | 3.15 MP |
| Front Camera | VGA | 1.3 MP |
| Camera Features | Yes | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA | HSDPA 2100 |
| 4G | ||
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n | Yes |
| Bluetooth | Yes | v4.0 |
| GPS | Yes | No |
| USB | microUSB | Yes |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | ||
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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