Phone Comparison - Xiaomi Redmi 4 vs Samsung Galaxy A3 (2017) vs Xiaomi Redmi 4A
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| Manufacturer | Xiaomi | Samsung | Xiaomi |
| Announced | November 2016 | January 2017 | November 2016 |
| Status | Available - November 2016 | Coming Soon - January 2017 | Available - November 2016 |
| Price | Rs. 8,900 ($133.00) [Similarly Priced] | Rs. 19,990 ($299.00) [Similarly Priced] | Rs. 5,999 ($92.00) [Similarly Priced] |
| Colors | Dark Gray, Silver, Gold | Various | Gold, Rose Gold, Dark Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
141.3 x 69.6 x 8.9 mm (5.56 x 2.74 x 0.35 in) |
135.4 x 66.2 x 7.9 mm (5.33 x 2.61 x 0.31 in) |
139.5 x 70.4 x 8.5 mm (5.49 x 2.77 x 0.33 in) |
| Weight | 156 g (5.5 oz) | - | 131.5 g (4.62.0.18 oz) |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual-SIM | 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 (optional) | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 |
| 4G Network | 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 | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - Fingerprint Sensor - Infrared Sensor - Metal Build - 2.5D Curved Glass |
- | - Metal Body - Infrared Sensor |
| Notification LED | - | Yes | - |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) | Android OS, v6.0.1 (Marshmallow) |
| User Interface | MIUI 8 | - | MIUI 8 |
| Processor | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 | Octa-core 1.6 GHz Cortex-A53, Exynos 7870 | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 |
| GPU | Adreno 506 | Mali-T830 MP2 | Adreno 308 |
| RAM | 3 GB | 2 GB | 2 GB |
| Internal Memory | 32 GB | 16 GB | 16 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | IPS LCD Capacitive Touchscreen | Super AMOLED capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 4.7 inches | 5.0 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 720 x 1280 pixels (312 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 69.95% | 68.14% | 70.04% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4160 x 3120 pixels | 13 MP, 4128 x 3096 pixels | 13 MP, 4160 x 3120 pixels |
| Flash | Dual-LED (dual Tone) | LED flash | LED Flash |
| Features | Phase Detection Autofocus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 8 MP [Similar] | 5 MP, f/2.2, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE |
| Bluetooth | v4.2, A2DP, EDR, LE | v4.2, A2DP, EDR, LE, ANT+ | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0, USB OTG | Type-C 1.0 reversible connector, Fast Charging | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 3 GB RAM | 16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB | microSD, up to 128 GB (uses SIM 2 slot) |
| USB OTG | Supported | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Light Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 4100 mAh | 2350 mAh | 3120 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
