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Here is the comparison of features and specification of the mobile phones Nokia Lumia 638 and Celkon Millennia Epic Q550.
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.
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Celkon Millennia Epic Q550 is manufactured by Celkon and this phone was announced in 2014, November. Celkon Millennia Epic Q550 comes with with 5.5 inches and the resolution of the screen is 720 x 1280 pixels.
This phone supports following network:
2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G: HSDPA 2100
Dipsplay Type: The dispaly type of the Celkon Millennia Epic Q550 is IPS LCD capacitive touchscreen with 16M colors.
| Specification Summary: Nokia Lumia 638 vs Celkon Millennia Epic Q550 | ||
| Mobile Device | Nokia Lumia 638 | Celkon Millennia Epic Q550 |
| Display | 4.5 inches | 5.5 inches |
| Resolution | 480 x 854 pixels | 720 x 1280 pixels |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Primary Camera | 5 MP | 8 MP |
| Front Camera | No | 2 MP |
| Storage | 8 GB | 16 GB |
| Battery | Li-Ion 1830 mAh (BL-5H) | Li-Ion 3500 mAh |
| Full Specification comparison of Nokia Lumia 638 vs Celkon Millennia Epic Q550 | ||
| Mobile Device | Nokia Lumia 638 | Celkon Millennia Epic Q550 |
Display |
||
| Screen Size | 4.5 inches (~64.6% screen-to-body ratio) | 5.5 inches (~72.2% screen-to-body ratio) |
| Screen Resolution | 480 x 854 pixels | 720 x 1280 pixels |
| Pixel Density | 480 x 854 pixels (~218 ppi pixel density) | 720 x 1280 pixels (~267 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 |
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| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.3 GHz Cortex-A7 |
| Interal Storage | 8 GB, 1 GB RAM | 16 GB, 1 GB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 64 GB |
OS |
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| OS Details | Microsoft Windows Phone 8.1 | Android OS, v4.4.2 (KitKat) |
Display |
||
| Display | 4.5 inches (~64.6% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 480 x 854 pixels (~218 ppi pixel density) |
5.5 inches (~72.2% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 720 x 1280 pixels (~267 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, autofocus | 8 MP, 3264 x 2448 pixels, LED flash |
| Front Camera | No | 2 MP |
| Camera Features | 1/4'' sensor size, geo-tagging, panorama | |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G | HSDPA 850 / 900 / 1900 / 2100 - RM-1010 | HSDPA 2100 |
| 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, DLNA, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | v4.0, A2DP, LE/ apt-X after WP8 Denim update | Yes |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS |
| USB | microUSB v2.0 | microUSB v2.0 |
Multimedia |
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| FM Radio | FM radio | FM radio |
| Loudspeaker | ||
| Audio Jack | Yes | Yes |
Other Features |
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| Compass | ||
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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