Here is the comparison of features and specification of the mobile phones Celkon A21 and Asus PadFone X.
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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Asus PadFone X is manufactured by Asus and this phone was announced in 2014, March. Asus PadFone X comes with with 5.0 inches and the resolution of the screen is 1080 x 1920 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 1900 / 2100
4G: LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 (Bands 2, 4, 5, 7, 17)
Dipsplay Type: The dispaly type of the Asus PadFone X is Super IPS+ LCD capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs Asus PadFone X | ||
| Mobile Device | Celkon A21 | Asus PadFone X |
| Display | 4.0 inches | 5.0 inches |
| Resolution | 320 x 480 pixels | 1080 x 1920 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.3 GHz Krait 400 |
| Primary Camera | 3.15 MP | 13 MP |
| Front Camera | 1.3 MP | 2 MP |
| Storage | 512 MB ROM | 16 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Po 2300 mAh |
| Full Specification comparison of Celkon A21 vs Asus PadFone X | ||
| Mobile Device | Celkon A21 | Asus PadFone X |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 5.0 inches (~66.3% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 1080 x 1920 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 1080 x 1920 pixels (~441 ppi pixel density) |
| Display Type | Capacitive touchscreen | Super IPS+ LCD capacitive touchscreen with 16M colors |
| Screen Protection | Corning Gorilla Glass | |
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.3 GHz Krait 400 |
| Interal Storage | 512 MB ROM, 256 MB RAM | 16 GB, 2 GB 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, v4.4.2 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
5.0 inches (~66.3% screen-to-body ratio) Super IPS+ LCD capacitive touchscreen, 16M colors 1080 x 1920 pixels (~441 ppi pixel density) |
| Display Type | Capacitive touchscreen | Super 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 | 2 MP, 1080p@25fps |
| Camera Features | Geo-tagging, touch focus, face detection | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G | LTE 700 / 850 / 1700 / 1800 / 1900 / 2100 / 2600 (Bands 2, 4, 5, 7, 17) | |
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP |
| GPS | No | Yes, with A-GPS, GLONASS |
| USB | Yes | microUSB v2.0 (SlimPort TV-out), USB Host |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
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| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | ||
| Temperature Sensor | ||
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