Phone Comparison - Lenovo S939 vs Samsung Galaxy J Max vs Xiaomi Redmi 4
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| Price Comparison (India) | - | - | |
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| Manufacturer | Lenovo | Samsung | Xiaomi |
| Announced | February 2014 | July 2016 | November 2016 |
| Status | Available - February 2014 | Available - July 2016 | Available - November 2016 |
| Price | - | Rs. 13,400 ($197.06) [Similarly Priced] | Rs. 8,900 ($133.00) [Similarly Priced] |
| Colors | Black, White | Black, Gold | Dark Gray, Silver, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
170 x 86.5 x 8.65 mm (6.69 x 3.41 x 0.34 in) |
186.9 x 108.8 x 8.7 mm (7.36 x 4.28 x 0.34 in) |
141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in) |
| Weight | 180 g (6.35 oz) | 289 g (10.19 oz) | 156 g (5.5 oz) |
| SIM Type | - | - | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA | HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan |
| 4G Network | - | LTE | 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, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor - Infrared Sensor - Metal Build - 2.5D Curved Glass |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v5.1 (Lollipop) | Android OS, v6.0.1 (Marshmallow) |
| Processor | Octa-core 1.7 GHz, Mediatek MT6592 | Quad-core 1.5 GHz, Spreadtrum SC9830A | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Mali-450MP4 | Mali-400 MP2 | Adreno 506 |
| RAM | 1 GB | 1.5 GB | 3 GB |
| Internal Memory | 8 GB ROM | 8 GB | 32 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 200 GB | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | IPS LCD Capacitive Touchscreen, OGS | PLS Capacitive Touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 7.0 inches | 5.0 inches |
| Resolution | 720 x 1280 pixels (245 ppi) | 1280 x 800 pixels (216 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 67.36% | 69.63% | 69.95% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio with Recording | FM Radio | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 8 MP | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | Dual-LED (dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization | Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection | Phase Detection Autofocus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | Yes, 1.6 MP [Similar] | 2 MP, f/2.2 [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE |
| Bluetooth | Yes, v4.0 | v4.0, A2DP | v4.2, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0, USB OTG |
| GPS | Yes, with A-GPS support | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB ROM, 1 GB RAM | 8 GB, 1.5 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 200 GB | microSD, up to 128 GB (uses SIM 2 slot) |
| 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 | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 3000 mAh | 4000 mAh | 4100 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 13,400 
