Here is the comparison of features and specification of the mobile phones Celkon A21 and BLU Advance 4.0 L.
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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BLU Advance 4.0 L is manufactured by and this phone was announced in 2015, May. BLU Advance 4.0 L 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 850 / 1700(AWS) / 1900 - A010U
Dipsplay Type: The dispaly type of the BLU Advance 4.0 L is TFT capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs BLU Advance 4.0 L | ||
| Mobile Device | Celkon A21 | BLU Advance 4.0 L |
| Display | 4.0 inches | 4.0 inches |
| Resolution | 320 x 480 pixels | 480 x 800 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.3 GHz Cortex-A7 |
| Primary Camera | 3.15 MP | 2 MP |
| Front Camera | 1.3 MP | VGA |
| Storage | 512 MB ROM | 4 GB |
| Battery | Li-Ion 1500 mAh | Li-Ion 1300 mAh |
| Full Specification comparison of Celkon A21 vs BLU Advance 4.0 L | ||
| Mobile Device | Celkon A21 | BLU Advance 4.0 L |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 4.0 inches |
| Screen Resolution | 320 x 480 pixels | 480 x 800 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 480 x 800 pixels |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen with 16M colors |
| Screen Protection | ||
Processor and RAM |
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| Processor | Quad-core 1.3 GHz Cortex-A7 | Dual-core 1.3 GHz Cortex-A7 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 4 GB, 512 MB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 64 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
4.0 inches TFT capacitive touchscreen, 16M colors 480 x 800 pixels |
| Display Type | Capacitive touchscreen | TFT capacitive touchscreen, 16M colors |
Camera |
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| Main Camera | 3.15 MP | 2 MP |
| Front Camera | 1.3 MP | VGA |
| Camera Features | Geo-tagging | |
Connectivity |
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| GPRS | Yes | Class 12 |
| EDGE | Yes | Class 12 |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 2100 | HSDPA 850 / 1700(AWS) / 1900 - A010U |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0 | v4.0 |
| GPS | No | Yes, with A-GPS |
| USB | Yes | microUSB v2.0 |
Multimedia |
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| FM Radio | FM radio | Stereo FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
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| Compass | ||
| Proximity Sensors | ||
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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