Phone Comparison - Samsung Galaxy J7 (2017) vs Samsung Galaxy S9 vs Samsung Galaxy A40
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | June 2017 | February 2018 | March 2019 |
| Status | Available - July 2017 | Coming Soon, March 2018 | Coming Soon - April 2019 |
| Price | Rs. 24,500 ($330.00) [Similarly Priced] | Rs. 52,999 ($750.00) [Similarly Priced] | - |
| Colors | Gold, Black, Pink, Blue | Various | Black, White, Blue, Coral |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
152.4 x 74.7 x 7.9 mm (6 x 2.94 x 0.31 in) |
147.7 x 68.7 x 8.5 mm (5.81 x 2.7 x 0.33 in) |
144.3 x 69.1 x 7.9 mm (5.68 x 2.72 x 0.31 in) |
| Weight | - | 163 g (5.75 oz) | - |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | 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) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - J710M |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | 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 | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | |
| Build Features | - | - Fingerprint Sensor - Samsung Pay (Visa, MasterCard certified) - IP68 certified - dust/water proof over 1.5 meter and 30 minutes |
- Fingerprint Sensor |
| Notification LED | - | Yes | - |
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| OS | Android OS, v7.1 (Nougat) | Android 8.0 (Oreo) | Android 9.0 (Pie) |
| User Interface | - | Samsung Experience | - |
| Processor | Octa-core 1.6 GHz Cortex-A53, Exynos 7870 | Octa-core (4x2.8 GHz Mongoose M3 & 4x1.7 GHz Cortex-A55) - EMEA Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA & China, Exynos 9810 Octa - EMEA Qualcomm Snapdragon 845 |
Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) |
| GPU | Mali-T830 MP2 | Mali-G72 MP18 - EMEA Adreno 630 - USA & China |
Mali-G71 |
| RAM | 3 GB | 4 GB | 4 GB |
| Internal Memory | 16 GB | 64 GB | 64 GB |
| External Memory | microSD, up to 256 GB | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSD, up to 512 GB (dedicated slot) |
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| Type | Super AMOLED capacitive touchscreen, 2.5D Gorilla Glass | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.8 inches | 5.9 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1440 x 2960 pixels (568 ppi) | 1080 x 2280 pixels (428 ppi) |
| Screen-to-Body Ratio | 73.08% | 84.00% | 86.97% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, RDS, recording | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 12 MP | 16 MP + 5 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Autofocus, f/1.7, 28mm, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/1.5 - f/2.4 variable aperture lens, 26mm, 1/2.5", 1.4 µm, Dual Pixel PDAF, OIS, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 16 MP, f/2.0, PDAF 5 MP, f/2.2, 12mm, (ultrawide) Panorama, HDR |
| Video | 1080p@30fps | 2160p@30fps, 1080p@60fps, HDR, dual-video rec. | 2160p@30fps, 1080p@30fps |
| Front Camera | 13 MP, f/1.9 [Similar] | 8 MP, f/1.6, autofocus, 1440p, dual video call, Auto HDR [Similar] | 25 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (4CA) Cat16 1024/150 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps |
| Bluetooth | v4.1, A2DP | 5.0, A2DP, LE, aptX | 4.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | microUSB v2.0 | 3.1, Type-C 1.0 reversible connector | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | Yes |
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| Internal | 16 GB, 3 GB RAM | 64 GB, 4 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB | microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only | microSD, up to 512 GB (dedicated slot) |
| USB OTG | Supported | Not Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| Barometer Sensor | |
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| Heart-rate Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Ion battery | Non-removable Li-Po Battery |
| Capacity | 3600 mAh | 3000 mAh | 3100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
