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Here is the comparison of features and specification of the mobile phones Microsoft Lumia 640 LTE Dual SIM and Nokia Lumia 638.
Microsoft Lumia 640 LTE Dual SIM is manufactured by Microsoft and this phone was announced in 2015, March. Microsoft Lumia 640 LTE Dual SIM comes with with 5.0 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 850 / 900 / 1700 / 1900 / 2100
4G: LTE 700/800/850/900/1700/1800/1900/2100/2600 TD-LTE 2300 / 2600 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40)
Dipsplay Type: The dispaly type of the Microsoft Lumia 640 LTE Dual SIM 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: Microsoft Lumia 640 LTE Dual SIM vs Nokia Lumia 638 | ||
| Mobile Device | Microsoft Lumia 640 LTE Dual SIM | Nokia Lumia 638 |
| Display | 5.0 inches | 4.5 inches |
| Resolution | 720 x 1280 pixels | 480 x 854 pixels |
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7 |
| Primary Camera | 8 MP | 5 MP |
| Front Camera | 1 MP | No |
| Storage | 8 GB | 8 GB |
| Battery | Li-Ion 2500 mAh | Li-Ion 1830 mAh (BL-5H) |
| Full Specification comparison of Microsoft Lumia 640 LTE Dual SIM vs Nokia Lumia 638 | ||
| Mobile Device | Microsoft Lumia 640 LTE Dual SIM | Nokia Lumia 638 |
Display |
||
| Screen Size | 5.0 inches (~67.6% screen-to-body ratio) | 4.5 inches (~64.6% screen-to-body ratio) |
| Screen Resolution | 720 x 1280 pixels | 480 x 854 pixels |
| Pixel Density | 720 x 1280 pixels (~294 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 | Corning Gorilla Glass 3 |
Processor and RAM |
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| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7 |
| Interal Storage | 8 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| External Storage | microSD, up to 128 GB | microSD, up to 128 GB |
OS |
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| OS Details | Microsoft Windows Phone 8.1 with Lumia Denim | Microsoft Windows Phone 8.1 |
Display |
||
| Display | 5.0 inches (~67.6% screen-to-body ratio) IPS LCD capacitive touchscreen, 16M colors 720 x 1280 pixels (~294 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 |
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| Main Camera | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | 5 MP, 2592 ? 1944 pixels, autofocus |
| Front Camera | 1 MP, 720p | No |
| Camera Features | 1/4'' sensor size | 1/4'' sensor size, geo-tagging, panorama |
Connectivity |
||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 2G | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G | HSDPA 850 / 900 / 1700 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - RM-1010 |
| 4G | LTE 700/800/850/900/1700/1800/1900/2100/2600 TD-LTE 2300 / 2600 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40) | 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, DLNA, hotspot |
| Bluetooth | v4.0, A2DP | v4.0, A2DP, LE/ apt-X after WP8 Denim update |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS |
| 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 | Yes | |
| Proximity Sensors | Yes | |
| Accelerometer | Yes | Yes |
| Ambient Sensor | ||
| Gyroscope Sensor | ||
| Barometer Sensor | ||
| Temperature Sensor | ||
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