Here is the comparison of features and specification of the mobile phones Celkon A21 and HP Pro Slate 12.
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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HP Pro Slate 12 is manufactured by HP and this phone was announced in 2015, January. HP Pro Slate 12 comes with with 12.3 inches and the resolution of the screen is 1200 x 1600 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the HP Pro Slate 12 is IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Celkon A21 vs HP Pro Slate 12 | ||
| Mobile Device | Celkon A21 | HP Pro Slate 12 |
| Display | 4.0 inches | 12.3 inches |
| Resolution | 320 x 480 pixels | 1200 x 1600 pixels |
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.3 GHz |
| Primary Camera | 3.15 MP | 8 MP |
| Front Camera | 1.3 MP | 2 MP |
| Storage | 512 MB ROM | 32 GB |
| Battery | Li-Ion 1500 mAh | Non-removable Li-Po (21 Wh) |
| Full Specification comparison of Celkon A21 vs HP Pro Slate 12 | ||
| Mobile Device | Celkon A21 | HP Pro Slate 12 |
Display |
||
| Screen Size | 4.0 inches (~57.8% screen-to-body ratio) | 12.3 inches (~70.3% screen-to-body ratio) |
| Screen Resolution | 320 x 480 pixels | 1200 x 1600 pixels |
| Pixel Density | 320 x 480 pixels (~144 ppi pixel density) | 1200 x 1600 pixels (~163 ppi pixel density) |
| Display Type | Capacitive touchscreen | IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | Corning Concore Glass | |
Processor and RAM |
||
| Processor | Quad-core 1.3 GHz Cortex-A7 | Quad-core 2.3 GHz |
| Interal Storage | 512 MB ROM, 256 MB RAM | 32 GB, 2 GB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 32 GB |
OS |
||
| OS Details | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
Display |
||
| Display | 4.0 inches (~57.8% screen-to-body ratio) Capacitive touchscreen 320 x 480 pixels (~144 ppi pixel density) |
12.3 inches (~70.3% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 1200 x 1600 pixels (~163 ppi pixel density) |
| Display Type | Capacitive touchscreen | IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 3.15 MP | 8 MP, 3264 x 2448 pixels, autofocus |
| Front Camera | 1.3 MP | 2 MP, 1080p |
| Camera Features | Geo-tagging, touch focus, face detection, HDR | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G | HSDPA 2100 | HSDPA 2100 |
| 4G | ||
| Wi-Fi/connectivity | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Bluetooth | v4.0 | v4.0, A2DP, LE |
| GPS | No | Yes, with A-GPS |
| USB | Yes | microUSB v2.0 (SlimPort) |
Multimedia |
||
| FM Radio | FM radio | No |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | Yes | |
| Barometer Sensor | Yes | |
| Temperature Sensor | ||
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