Phone Comparison - Xiaomi Redmi Note 4G vs Lenovo A3900 vs InFocus M530
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| Manufacturer | Xiaomi | Lenovo | InFocus |
| Announced | August 2014 | April 2015 | June 2015 |
| Status | Available - November 2014 | Available - April 2015 | Available - June 2015 |
| Price | - | Rs. 5,450 ($80.00) [Similarly Priced] | Rs. 10,999 ($161.75) [Similarly Priced] |
| Colors | Black/White | Black and Pearl White, Silver | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
142.8 x 71.8 x 8.95 mm (5.62 x 2.83 x 0.35 in) |
157 x 77 x 9.1 mm (6.18 x 3.03 x 0.36 in) |
| Weight | 199 g (7.02 oz) | 157 g (5.54 oz) | 176 g (6.21 oz) |
| 2G Network | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 2100 |
| 4G Network | TD-LTE 1900 / 2300 / 2600 | LTE 2300 | LTE 1800 / 2600 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Octa-core 1.2 GHz Cortex-A53, Mediatek MT6752 | Quad-core 2.0 GHz Cortex-A17 & quad-core 1.7 GHz Cortex-A7, MediaTek MT6595 |
| GPU | Adreno 305 | Mali-T760 | PowerVR H6200MP4 |
| RAM | 2 GB | 512 MB | 2 GB |
| Internal Memory | 8 GB | 4 GB | 16 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | TFT Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (267 ppi) | 480 x 854 pixels (196 ppi) | 720 x 1280 pixels (267 ppi) |
| Screen-to-Body Ratio | 68.82% | 67.14% | 68.99% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | Yes | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 5 MP, 2592 х 1944 pixels | 13 MP, 4128 x 3096 pixels |
| Flash | LED flash | LED Flash | Dual-LED (Dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | - | Auto focus, OIS, Sony IMX214 Exmor RS Sensor, Geo-tagging, Touch Focus, Face Detection, Image Stabilization, HDR, Panorama |
| Video | 1080p@30fps | Yes | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 2 MP [Similar] | 13 MP, Auto focus, LED Flash, Sony Exmor [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | TD-SCDMA; LTE | HSPA, LTE Cat4 150/50 Mbps | HSDPA, HSUPA |
| Bluetooth | v4.0, A2DP, LE | v4.0, A2DP, LE | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| USB | microUSB v2.0, USB On-the-go | microUSB v2.0 | microUSB v2.0 (MHL), USB On-the-go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 2 GB RAM | 4 GB, 512 MB RAM | 16 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | microSD, up to 32 GB |
| 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 | Li-Po Battery | Li-Po Battery | Removable Battery |
| Capacity | 3200 mAh | 2300 mAh | 3100 mAh |
| Stand by | Up to 775 h (3G) | - | Up to 590 h (3G) |
| Talk Time | Up to 38 h (2G) Up to 14 h (3G) |
- | Up to 12 h (3G) |
