Phone Comparison - Samsung Galaxy Alpha vs Xiaomi Redmi Note 2 vs Samsung Galaxy J3 (2016)
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Xiaomi | Samsung |
| Announced | August 2014 | August 2015 | November 2015 |
| Status | Available - September 2014 | Available - August 2015 | Available - January 2016 |
| Price | - | Rs. 9,700 ($141.99) [Similarly Priced] | Rs. 7,990 ($117.50) [Similarly Priced] |
| Colors | Black, white, gold, silver, blue | Black, White, Yellow, Mint Green, Blue | White, Black, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) |
142.3 x 71 x 7.9 mm (5.6 x 2.8 x 0.31 in) |
| Weight | 115 g (4.06 oz) | 160 g (5.64 oz) | 138 g (4.87 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA | HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F |
| SAR US |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
1.17 W/kg (head) 1.12 W/kg (body) |
| SAR EU |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
0.48 W/kg (head) 0.42 W/kg (body) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v5.0 (Lollipop) based MIUI 7 | Android OS, v5.1.1 (Lollipop) |
| Processor | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795 | Quad-core 1.2 GHz Cortex-A7, Spreadtrum SC9830A |
| GPU | Mali-T628 MP6 | PowerVR G6200 | Mali-400MP2 |
| RAM | 2 GB | 2 GB | 1.5 GB |
| Internal Memory | 32 GB | 16 GB | 8/16 GB |
| External Memory | No | Yes | microSD, up to 128 GB (dedicated slot) |
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| Type | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (320 ppi) | 1080 x 1920 pixels (401 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 66.95% | 72.02% | 68.09% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 8 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR | Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR | Autofocus, Geo-tagging, Touch Focus, Face Detection |
| Video | 2160p@30fps | 1080p@30fps | 1080p@30fps (J3109), 720p@30fps (J320P) |
| Front Camera | 2.1 MP [Similar] | 5 MP [Similar] |
5 MP - J3109 2 MP - J320P [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL | TD-SCDMA | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP, EDR, LE | v4.0, A2DP, LE | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB Host | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS/ BDS (region dependent) |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 2 GB RAM | 16 GB, 2 GB RAM | 8/16 GB, 1.5 GB RAM |
| Expandable Storage | No | Yes | microSD, up to 128 GB (dedicated slot) |
| USB OTG | - | Supported | Supported |
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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-Po Battery | Removable Li-Ion Battery |
| Capacity | 1860 mAh | 3060 mAh | 2600 mAh |
| Stand by | - | - | Up to 349 h |
| Talk Time | - | - | Up to 22 h |
Rs. 8,490 
