Phone Comparison - Xiaomi Redmi 2 vs Samsung Galaxy J1 Ace vs Alcatel Pixi 4 (3.5)
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| Manufacturer | Xiaomi | Samsung | Alcatel |
| Announced | January 2015 | August 2015 | January 2016 |
| Status | Available - January 2015 | Available - August 2015 | Coming Soon - Q1 2016 |
| Price | Rs. 5,999 ($88.22) [Similarly Priced] | Rs. 5,850 ($86.03) [Similarly Priced] | - |
| Colors | Black, White, Yellow, Pink, Green | Blue, Black, White | Various |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) |
130.1 x 67.6 x 9.5 mm (5.12 x 2.66 x 0.37 in) |
116 x 62 x 10 mm (4.57 x 2.44 x 0.39 in) |
| Weight | 133 g (4.69 oz) | 131 g (4.62 oz) | - |
| SIM Type | - | Dual-SIM | - |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 TD-SCDMA 1900 / 2100 |
HSDPA 900 / 2100 (Single or Dual SIM) HSDPA 850 / 2100 (Dual SIM) |
HSDPA 900 / 2100 HSDPA 850 / 900 / 2100 |
| 4G Network | LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) | - | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4 (KitKat) | Android OS, v4.4.x (KitKat) | Android OS, v5.1 (Lollipop) |
| Processor | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Quad-core 1.5 GHz - J111F / Quad-core 1.2 GHz / Dual-core 1.3 GHz - J110L | Dual-core 1 GHz Cortex-A7, Mediatek MT6572M |
| GPU | Adreno 306 | - | Mali-400 |
| RAM | 1 GB | 1 GB | 512 MB |
| Internal Memory | 8 GB | 8 GB | 4 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 32 GB |
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| Type | IPS LCD Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.3 inches | 3.5 inches |
| Resolution | 720 x 1280 pixels (312 ppi) | 480 x 800 pixels (217 ppi) | 320 x 480 pixels (165 ppi) |
| Screen-to-Body Ratio | 67.83% | 59.82% | 50.61% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 5 MP, 2592 х 1944 pixels | 2 MP, LED flash |
| Flash | LED flash | LED Flash | No |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection | Yes |
| Video | Yes, 1080p | 720p@30fps | 480p@15fps |
| Front Camera | 2 MP, 720p [Similar] | 2 MP [Similar] | VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE Cat4 150/50 Mbps | HSPA | HSPA 21.1/5.76 Mbps |
| Bluetooth | v4.0, A2DP | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS, GLONASS | Yes, with A-GPS (optional) |
| Browser | HTML5 | HTML | HTML |
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| Internal | 8 GB, 1 GB RAM / 16 GB, 2 GB RAM | 8 GB, 1 GB RAM - J110M, J111F 4 GB, 768 MB RAM - J110F, J1 |
4 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 128 GB | microSD, up to 32 GB |
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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-Po Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2200 mAh | 1900 mAh | 1300 mAh |
| Stand by | - | - | Up to 250 h (2G) Up to 250 h (3G) |
| Talk Time | - | - | Up to 4 h (3G) |
