Phone Comparison - Samsung Galaxy Note 4 Duos vs Samsung Galaxy A3 Duos vs Samsung Galaxy A7
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | October 2014 | October 2014 | Expected Announcement - December 2014 |
| Status | Available - October 2014 | Available - November 2014 | Rumored - January 2015 |
| Price | - | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 19,499 ($286.75) [Similarly Priced] |
| Colors | Frosted white, Charcoal black, Bronze Gold, Blossom Pink | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
153.5 x 78.6 x 8.5 mm (6.04 x 3.09 x 0.33 in) |
130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) |
150.9 x 75.9 x 6.3 mm (5.94 x 2.99 x 0.25 in) |
| Weight | 175 g (6.17 oz) | 110.3 g (3.88.0.11 oz) | 133 g (4.69 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 TD-SCDMA 1880 / 2010 - SIM 1 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - SM-A700*/DS |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - SIM 1 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 1800 / 2100 / 2600 (Bands 1, 3, 7) - SIM 1 | LTE | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - Fingerprint sensor (PayPal certified) - S Pen stylus |
- | - |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 2.7 GHz Krait 450, Qualcomm Snapdragon 805 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Adreno 420 | Adreno 306 | Adreno 405 |
| RAM | 3 GB | 1 GB | 2 GB |
| Internal Memory | 16 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 128 GB | No | microSD, up to 64 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.7 inches | 4.5 inches | 5.5 inches |
| Resolution | 1440 x 2560 pixels (515 ppi) | 540 x 960 pixels (245 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 74.32% | 65.39% | 72.64% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP, 5312 x 2988 pixels | 8 MP, 3264 x 2448 pixels | 12 MP, 4608 x 2592 pixels |
| Flash | optical image stabil | LED flash | LED flash |
| Features | Dual Shot, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama |
| Video | 2160p@30fps, 1080p@60fps, optical stabilization, dual-video rec. | - | 1080p@30fps |
| Front Camera | 3.7 MP, 1440p [Similar] | 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, HSUPA, LTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.1, A2DP, EDR, LE | v4.0, A2DP, EDR, LE | v4.0, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot |
| USB | microUSB v2.0 (MHL 3), USB Host, USB On-the-go | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 3 GB RAM | 16 GB, 1 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 128 GB | No | microSD, up to 64 GB |
| USB OTG | 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion battery |
| Capacity | 3000 mAh | 1900 mAh | 2600 mAh |
| Stand by | Up to 381 h (3G) | - | - |
| Talk Time | - | - | - |
