Here is the comparison of features and specification of the mobile phones Karbonn Smart A12 Star and Nokia Lumia 638.
Karbonn Smart A12 Star is manufactured by Karbonn and this phone was announced in 2014, July. Karbonn Smart A12 Star comes with with 4.0 inches and the resolution of the screen is 480 x 800 pixels.
This phone supports following network:
2G: GSM 900 / 1800 - SIM 1 & SIM 2
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the Karbonn Smart A12 Star is IPS LCD capacitive touchscreen with 16M colors.
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Nokia Lumia 638 is manufactured by Nokia and this phone was announced in 2014, December. Nokia Lumia 638 comes with with 4.5 inches and the resolution of the screen is 480 x 854 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900
3G: HSDPA 850 / 900 / 1900 / 2100 - RM-1010
4G: LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41)
Dipsplay Type: The dispaly type of the Nokia Lumia 638 is IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Karbonn Smart A12 Star vs Nokia Lumia 638 | ||
| Mobile Device | Karbonn Smart A12 Star | Nokia Lumia 638 |
| Display | 4.0 inches | 4.5 inches |
| Resolution | 480 x 800 pixels | 480 x 854 pixels |
| Processor | Dual-core 1.2 GHz | Quad-core 1.2 GHz Cortex-A7 |
| Primary Camera | 5 MP | 5 MP |
| Front Camera | VGA | No |
| Storage | 4 GB | 8 GB |
| Battery | Li-Ion 1400 mAh | Li-Ion 1830 mAh (BL-5H) |
| Full Specification comparison of Karbonn Smart A12 Star vs Nokia Lumia 638 | ||
| Mobile Device | Karbonn Smart A12 Star | Nokia Lumia 638 |
Display |
||
| Screen Size | 4.0 inches (~57.1% screen-to-body ratio) | 4.5 inches (~64.6% screen-to-body ratio) |
| Screen Resolution | 480 x 800 pixels | 480 x 854 pixels |
| Pixel Density | 480 x 800 pixels (~233 ppi pixel density) | 480 x 854 pixels (~218 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen with 16M colors | IPS LCD capacitive touchscreen with 16M colors |
| Screen Protection | Corning Gorilla Glass 3 | |
Processor and RAM |
||
| Processor | Dual-core 1.2 GHz | Quad-core 1.2 GHz Cortex-A7 |
| Interal Storage | 4 GB, 512 MB RAM | 8 GB, 1 GB RAM |
| External Storage | microSD, up to 32 GB | microSD, up to 128 GB |
OS |
||
| OS Details | Android OS, v4.4.2 (KitKat) | Microsoft Windows Phone 8.1 |
Display |
||
| Display | 4.0 inches (~57.1% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 480 x 800 pixels (~233 ppi pixel density) |
4.5 inches (~64.6% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 480 x 854 pixels (~218 ppi pixel density) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors | IPS LCD capacitive touchscreen, 16M colors |
Camera |
||
| Main Camera | 5 MP, 2592 ? 1944 pixels, LED flash | 5 MP, 2592 ? 1944 pixels, autofocus |
| Front Camera | VGA | No |
| Camera Features | Geo-tagging | 1/4'' sensor size, geo-tagging, panorama |
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 - RM-1010 |
| 4G | LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) | |
| Wi-Fi/connectivity | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | Yes | v4.0, A2DP, LE/ apt-X after WP8 Denim update |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| USB | microUSB v2.0 | microUSB v2.0 |
Multimedia |
||
| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
||
| Compass | ||
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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