Here is the comparison of features and specification of the mobile phones Samsung Galaxy S Duos 3 and Celkon A21.
Samsung Galaxy S Duos 3 is manufactured by Samsung and this phone was announced in 2014, August. Samsung Galaxy S Duos 3 comes with with 4.0 inches and the resolution of the screen is 480 x 800 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 900 / 2100
Dipsplay Type: The dispaly type of the Samsung Galaxy S Duos 3 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: Samsung Galaxy S Duos 3 vs Celkon A21 | ||
| Mobile Device | Samsung Galaxy S Duos 3 | Celkon A21 |
| Display | 4.0 inches | 4.0 inches |
| Resolution | 480 x 800 pixels | 320 x 480 pixels |
| Processor | Dual-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 5 MP | 3.15 MP |
| Front Camera | VGA | 1.3 MP |
| Storage | 4 GB | 512 MB ROM |
| Battery | Li-Ion 1500 mAh | Li-Ion 1500 mAh |
| Full Specification comparison of Samsung Galaxy S Duos 3 vs Celkon A21 | ||
| Mobile Device | Samsung Galaxy S Duos 3 | Celkon A21 |
Display |
||
| Screen Size | 4.0 inches (~59.6% screen-to-body ratio) | 4.0 inches (~57.8% screen-to-body ratio) |
| Screen Resolution | 480 x 800 pixels | 320 x 480 pixels |
| Pixel Density | 480 x 800 pixels (~233 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 | Dual-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 4 GB, 512 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 | 4.0 inches (~59.6% screen-to-body ratio) TFT capacitive touchscreen, 16M colors 480 x 800 pixels (~233 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 | 5 MP, 2592 ? 1944 pixels, autofocus, LED flash | 3.15 MP |
| Front Camera | VGA | 1.3 MP |
| Camera Features | Geo-tagging | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G | HSDPA 900 / 2100 | HSDPA 2100 |
| 4G | ||
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes |
| Bluetooth | v4.0, A2DP | v4.0 |
| GPS | Yes, with A-GPS, GLONASS | No |
| USB | microUSB v2.0 | 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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