Phone Comparison - Samsung I8700 Omnia 7 vs Nokia Lumia 638 vs Microsoft Lumia 650
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| Manufacturer | Samsung | Nokia | Microsoft |
| Announced | October 2010 | December 2014 | February 2016 |
| Status | Available - October 2010 | Available - December 2014 | Available - April 2016 |
| Price | - | Rs. 7,999 ($117.63) [Similarly Priced] | Rs. 9,999 ($147.04) [Similarly Priced] |
| Colors | Black | Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
122.4 x 64.2 x 11 mm (4.82 x 2.53 x 0.43 in) |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
142 x 70.9 x 6.9 mm (5.59 x 2.79 x 0.27 in) |
| Weight | 138.2 g (4.87.0.07 oz) | 136 g (4.8 oz) | 122 g (4.3 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | - | LTE 1800 / 1900 / 2100 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) | 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 | SMS, MMS, Push Mail, EMail, IM |
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| OS | Microsoft Windows Phone 7 | Microsoft Windows Phone 8.1 | Microsoft Windows 10 |
| Processor | 1 GHz Scorpion, Qualcomm QSD8250 Snapdragon | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 | Quad-core 1.3 GHz Cortex-A7, Qualcomm Snapdragon 212 |
| GPU | Adreno 200 | Adreno 305 | Adreno 304 |
| RAM | N/A | 1 GB | 1 GB |
| Internal Memory | 8/16 GB | 8 GB | 16 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 200 GB (dedicated slot) |
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| Type | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen, Corning Gorilla Glass 3, ClearBlack Display | AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.5 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 854 pixels (218 ppi) | 720 x 1280 pixels (297 ppi) |
| Screen-to-Body Ratio | 58.07% | 64.43% | 66.95% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 x 1944 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, f/2.2 |
| Flash | LED flash | No | 28mm |
| Features | Auto focus, Geo-tagging, Image Stabilization | Auto focus, 1/4 | 1/4" Sensor Size |
| Video | Yes, 720p@25fps | Yes | 720p@30fps |
| Front Camera | No [Similar] | No [Similar] | 5 MP, f/2.2, 720p video [Similar] |
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| GPRS | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes | Yes |
| Edge | Class 12 | Yes | 296.0/236.8 Kbps |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v2.1 with A2DP | v4.0, A2DP, LE/ apt-X after WP8 Denim update | v4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 8/16 GB | 8 GB, 1 GB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 200 GB (dedicated slot) |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Li-Ion Battery (BL-5H) | Removable Li-Ion Battery |
| Capacity | 1500 mAh | 1830 mAh | 2000 mAh |
| Stand by | Up to 390 h (2G) Up to 330 h (3G) |
- | Up to 624 h (3G) |
| Talk Time | Up to 5 h 40 min (2G) Up to 6 h 10 min (3G) |
- | Up to 16 h (2G) Up to 13 h (3G) |
