Microsoft Lumia 640 Dual SIM
Microsoft Lumia 650Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 650
General Info
| Manufacturer | |
| Microsoft | Microsoft |
| Announced | |
| March 2015 | February 2016 |
| Status | |
| Available - April 2015 | Available - April 2016 |
| Price | |
| Rs. 8,999 ($132.34) [Similarly Priced] | Rs. 9,999 ($147.04) [Similarly Priced] |
| Colors | |
| Yes | Black, White |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
142 x 70.9 x 6.9 mm (5.59 x 2.79 x 0.27 in) |
| Weight | |
| 145 g (5.11 oz) | 122 g (4.3 oz) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | |
| - | LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) |
| Messaging | |
| SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
Hardware and OS
| OS | |
| Microsoft Windows Phone 8.1 with Lumia Denim | Microsoft Windows 10 |
| Processor | |
| Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] | Quad-core 1.3 GHz Cortex-A7, Qualcomm Snapdragon 212 [Similar] |
| GPU | |
| Adreno 305 [Similar] | Adreno 304 [Similar] |
| RAM | |
| 1 GB [Browse Similar] | 1 GB [Browse Similar] |
| Internal Memory | |
| 8 GB | 16 GB |
| External Memory | |
| microSD, up to 128 GB | microSD, up to 200 GB (dedicated slot) |
Display
| Type | |
| IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display | AMOLED capacitive touchscreen |
| Colors | |
| 16M colors | 16M colors |
| Size | |
| 5.0 inches [Similar] | 5.0 inches [Similar] |
| Resolution | |
| 720 x 1280 pixels (294 ppi) [Similar] | 720 x 1280 pixels (297 ppi) [Similar] |
| Screen-to-Body Ratio | 67.43% | 66.95% |
| Multi-Touch | |
 |
|
Camera
Multimedia
| 3.5mm Jack | |
|
|
| Radio | |
| FM radio | FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
|
|
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Yes | 296.0/236.8 Kbps |
| 3G | |
| HSPA 42.2/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | |
| v4.0, A2DP | v4.1, A2DP, LE |
| Wi-Fi | |
| Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | |
| microUSB v2.0 | microUSB v2.0 |
| GPS | |
| Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS, BDS |
| Browser | |
| HTML5 | HTML5 |
User Memory
| Internal | |
| 8 GB, 1 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | |
| microSD, up to 128 GB | microSD, up to 200 GB (dedicated slot) |
Sensors
| Fingerprint | |
|
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| Proximity Sensor | |
|
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| Accelerometer Sensor | |
|
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| NFC | |
|
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Battery
| Type | |
| Li-Ion Battery | Removable Li-Ion Battery |
| Capacity | |
| 2500 mAh | 2000 mAh |
| Stand by | |
| Up to 840 h (2G) Up to 840 h (3G) |
Up to 624 h (3G) |
| Talk Time | |
| Up to 27 h 30 min (2G) Up to 20 h 30 min (3G) |
Up to 16 h (2G) Up to 13 h (3G) |
