Phone Comparison - Nokia Lumia 620 vs Samsung Galaxy Ace 4 vs Microsoft Lumia 650
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| Manufacturer | Nokia | Samsung | Microsoft |
| Announced | December 2012 | June 2014 | February 2016 |
| Status | Available - January 2013 | Available - July 2014 | Available - April 2016 |
| Price | - | - | Rs. 9,999 ($147.04) [Similarly Priced] |
| Colors | Lime green, orange, magenta, yellow, cyan, white, black | Iris Charcoal, Classic White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
115.4 x 61.1 x 11 mm (4.54 x 2.41 x 0.43 in) |
121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in) |
142 x 70.9 x 6.9 mm (5.59 x 2.79 x 0.27 in) |
| Weight | 127 g (4.48 oz) | 123.8 g (4.34.0.28 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 850 / 900 / 1900 / 2100 | HSDPA 900 / 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 | SMS, MMS, Push Mail, EMail, IM |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.4.2 (KitKat) | Microsoft Windows 10 |
| Processor | Dual-core 1 GHz Krait, Qualcomm Snapdragon S4 | Dual-core 1.0 GHz | Quad-core 1.3 GHz Cortex-A7, Qualcomm Snapdragon 212 |
| GPU | Adreno 305 | - | Adreno 304 |
| RAM | 512 MB | 512 MB | 1 GB |
| Internal Memory | 8 GB storage | 4 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 200 GB (dedicated slot) |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.8 inches | 4.0 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (246 ppi) | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (297 ppi) |
| Screen-to-Body Ratio | 58.06% | 59.76% | 66.95% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1936 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, f/2.2 |
| Flash | LED flash | LED flash | 28mm |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Face And Smile Detection, Panorama | 1/4" Sensor Size |
| Video | Yes, 720p@30fps | Yes, 720p@30fps | 720p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | 5 MP, f/2.2, 720p video [Similar] |
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| GPRS | Class B | Yes | Yes |
| Edge | Class B | Yes | 296.0/236.8 Kbps |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, EDR | Yes, v4.0 with A2DP | v4.1, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB storage, 512 MB RAM | 4 GB, 512 MB RAM | 16 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 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 | Standard battery, Li-Ion | Li-Ion Battery | Removable Li-Ion Battery |
| Capacity | 1300 mAh (BL-4J) | 1500 mAh | 2000 mAh |
| Stand by | Up to 330 h | - | Up to 624 h (3G) |
| Talk Time | Up to 14 h 40 min (2G) Up to 9 h 50 min (3G) |
- | Up to 16 h (2G) Up to 13 h (3G) |
