Phone Comparison - Samsung Galaxy E7 vs Samsung Galaxy J7 Prime vs Samsung Galaxy J2 Ace
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | January 2015 | August 2016 | January 2017 |
| Status | Available - Feburary 2015 | Available - September 2016 | Available - January 2017 |
| Price | Rs. 17,400 ($255.88) [Similarly Priced] | Rs. 18,790 ($276.32) [Similarly Priced] | Rs. 8,490 ($125.00) [Similarly Priced] |
| Colors | Black, White, Blue | Gold, Black | Black, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.4 x 77.2 x 7.3 mm (5.96 x 3.04 x 0.29 in) |
151.7 x 75 x 8 mm (5.97 x 2.95 x 0.31 in) |
144.8 x 72.1 x 8.9 mm (5.7 x 2.84 x 0.35 in) |
| Weight | 141 g (4.97 oz) | 167 g (5.89 oz) | 160 g (5.64 oz) |
| SIM Type | - | Dual-SIM | Single SIM (Micro-SIM), Dual SIM (Micro-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | 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 - J710F, J710H HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - Fingerprint Sensor - Metal Build - 2.5D Curved Glass |
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| Notification LED | - | - | No |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0 (Marshmallow) |
| Processor | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Octa-core 1.6 GHz, Exynos 7870 | Quad-core 1.4 GHz Cortex-A53, Mediatek MT6737T |
| GPU | Adreno 306 | Mali-T830 MP2 | Mali-T720MP2 |
| RAM | 2 GB | 3 GB | 1.5 GB |
| Internal Memory | 16 GB | 16/32 GB | 8 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 256 GB (dedicated slot) |
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| Type | Super AMOLED capacitive touchscreen | TFT capacitive touchscreen | PLS TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.5 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 1080 x 1920 pixels (401 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | 71.36% | 73.12% | 66.19% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio, RDS, recording | FM radio, RDS, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP | 8 MP |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Autofocus, f/1.9, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Autofocus, Geo-tagging, Touch Focus, Face Detection |
| Video | 1080p@30fps | 1080p@30fps | 720p@30fps |
| Front Camera | 5 MP [Similar] | 8 MP, f/1.9 [Similar] | 5 MP, LED flash [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP | v4.1, A2DP | v4.2, A2DP, LE |
| Wi-Fi | Yes | 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 OTG | microUSB v2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS |
| Browser | HTML5 | HTML5 | HTML |
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| Internal | 16 GB, 2 GB RAM | 16/32 GB, 3 GB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 128 GB | microSD, up to 256 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery | Removable Li-Ion Battery |
| Capacity | 2950 mAh | 3300 mAh | 2600 mAh |
| Stand by | - | - | - |
| Talk Time | Up to 19 h (3G) | - | - |
Rs. 18,790 
Rs. 18,700 
Rs. 18,790 
