Phone Comparison - Nokia Lumia 820 vs Samsung Galaxy A3 vs Samsung Galaxy A3 (2016)
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| Manufacturer | Nokia | Samsung | Samsung |
| Announced | Expected September 2012 | October 2014 | December 2015 |
| Status | Available - November 2012 | Available - November 2014 | Coming Soon - December 2015 |
| Price | - | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 17,300 ($254.41) [Similarly Priced] |
| Colors | Black, Gray, Red, Yellow, White, Blue, Violet | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Various |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
123.8 x 68.5 x 9.9 mm (4.87 x 2.7 x 0.39 in) |
130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in) |
134.5 x 65.2 x 7.3 mm (5.3 x 2.57 x 0.29 in) |
| Weight | 160 g (5.64 oz) | 110.3 g (3.88.0.11 oz) | 132 g (4.66 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2600 / 2100/ 900 | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8 | Android OS, v4.4.2 (KitKat) | Android OS, v5.1.1 (Lollipop) |
| Processor | Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon | Quad-core 1.2 GHz | Quad-core 1.5 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | Adreno 225 | - | Adreno 306 |
| RAM | 1 GB | 1 GB | 1.5 GB |
| Internal Memory | 8 GB storage | 16 GB | 16 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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| Type | AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.3 inches | 4.5 inches | 4.7 inches |
| Resolution | 480 x 800 pixels (217 ppi) | 540 x 960 pixels (245 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 62.04% | 65.39% | 69.65% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels, Carl Zeiss Tessa | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | Yes | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes [Similar] | 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps HSUPA, 5.76 Mbps LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v3.1 with A2DP, EDR | v4.0, BLE, ANT+ | v4.1, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, 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 (market dependant) |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB storage, 1 GB RAM | 16 GB, 1 GB RAM | 16 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 128 GB |
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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 | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 1650 mAh | 1900 mAh | 2300 mAh |
| Stand by | Up to 330 h (2G) Up to 330 h (3G) |
- | - |
| Talk Time | Up to 14 h (2G) Up to 8 h (3G) |
- | - |
