Nokia Lumia 830 vs Microsoft Lumia 640 Dual SIM
General Info
| Manufacturer | |
| Nokia | Microsoft |
| Announced | |
| September 2014 | March 2015 |
| Status | |
| Available - September 2014 | Available - April 2015 |
| Price | |
| - | Rs. 8,999 ($132.34) [Similarly Priced] |
| Colors | |
| Orange, green, white, black | Yes |
| Form Factor | |
| Candybar | Candybar |
| Dimension | |
|
139.4 x 70.7 x 8.5 mm (5.49 x 2.78 x 0.33 in) |
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) |
| Weight | |
| 150 g (5.29 oz) | 145 g (5.11 oz) |
| 2G Network | |
| GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | |
| HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | |
| LTE 800 / 900 / 1800 / 2100 / 2600 | - |
| Messaging | |
| SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | |
| ClearBlack display | - |
Display
| Type | |
| IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display |
| 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 (294 ppi) [Similar] |
| Screen-to-Body Ratio | 69.80% | 67.43% |
| Multi-Touch | |
Hardware and OS
| OS | |
| Microsoft Windows Phone 8.1 | Microsoft Windows Phone 8.1 with Lumia Denim |
| Processor | |
| Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] |
| GPU | |
| Adreno 305 [Similar] | Adreno 305 [Similar] |
| RAM | |
| 1 GB [Browse Similar] | 1 GB [Browse Similar] |
| Internal Memory | |
| 16 GB | 8 GB |
| External Memory | |
| microSD, up to 128 GB | microSD, up to 128 GB |
Camera
| Rear Camera | |
| 10 MP, Carl Zeiss Optics [Similar] | 8 MP, 3264 x 2448 pixels [Similar] |
| Flash | |
| LED Flash | LED flash |
| Features | |
| Auto focus, OIS, 1/3.4'' sensor size, PureView technology, geo-tagging, face detection, panorama | Auto focus, 1/4'' Sensor Size |
| Video | |
| 1080p@30fps, optical stabilization, stereo sound rec. | 1080p@30fps |
| Front Camera | |
| 0.9 MP, 720p [Similar] | 1 MP, 720p [Similar] |
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio | FM radio |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| GPRS | |
| Yes | Yes |
| Edge | |
| Up to 296 kbps | Yes |
| 3G | |
| HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps |
| Bluetooth | |
| v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | |
| Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi 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, Beidou |
| Browser | |
| HTML5 | HTML5 |
User Memory
| Internal | |
| 16 GB, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | |
| microSD, up to 128 GB | microSD, up to 128 GB |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| Type | |
| Li-Ion Battery (BV-L4A) | Li-Ion Battery |
| Capacity | |
| 2200 mAh | 2500 mAh |
| Stand by | |
| Up to 528 h | Up to 840 h (2G) Up to 840 h (3G) |
| Talk Time | |
| Up to 12 h 54 min (2G) Up to 14 h 48 min (3G) |
Up to 27 h 30 min (2G) Up to 20 h 30 min (3G) |