Phone Comparison - Samsung Galaxy A3 vs Samsung Galaxy J3 vs Samsung Galaxy J7 Perx
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | October 2014 | November 2015 | Not Announced Yet |
| Status | Available - November 2014 | Available - December 2015 | Rumored |
| Price | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 8,999 ($132.34) [Similarly Priced] | - |
| Colors | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | White, Black, Gold | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130.1 x 65.5 x 6.9 mm ( 5.12 x 2.58 x 0.27 in) |
142.3 x 71 x 7.9 mm (5.6 x 2.8 x 0.31 in) |
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| Weight | 110.3 g (3.88.0.11 oz) | 138 g (4.87 oz) | - |
| SIM Type | - | - | Dual-SIM |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA | HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EMEA | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor |
| Notification LED | - | - | Yes |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v5.1.1 (Lollipop) | Android OS, v7.0 (Nougat) |
| Processor | Quad-core 1.2 GHz | Quad-core 1.2 GHz | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | - | - | Adreno 506 |
| RAM | 1 GB | 1.5 GB | 2/3 GB |
| Internal Memory | 16 GB | 8 GB | 16/32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 128 GB | microSD, up to 256 GB |
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| Type | Super AMOLED Capacitive Touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 540 x 960 pixels (245 ppi) | 720 x 1280 pixels (294 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 65.39% | 68.09% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio with RDS; recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | Dual-LED (dual Tone) |
| Features | Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie | Auto focus, Geo-tagging, Touch Focus, Face Detection | Phase Detection Autofocus (PDAF), f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 5 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE |
| Bluetooth | v4.0, BLE, ANT+ | v4.1, A2DP | v4.2, A2DP, EDR, LE |
| Wi-Fi | 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 | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0, USB On-The-Go | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16 GB, 1 GB RAM | 8 GB, 1.5 GB RAM | 16/32 GB, 2/3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 128 GB | microSD, up to 256 GB |
| 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 | Non-removable Li-Po Battery | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 1900 mAh | 2600 mAh | 3300 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
