Phone Comparison - Lenovo P90 vs Xiaomi Mi 4i vs Xiaomi Redmi Note 2 Prime
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| Manufacturer | Lenovo | Xiaomi | Xiaomi |
| Announced | January 2015 | April 2015 | August 2015 |
| Status | Coming Soon - February 2015 | Available - April 2015 | Available - August 2015 |
| Price | Rs. 28,000 ($411.76) [Similarly Priced] | Rs. 8,999 ($132.34) [Similarly Priced] | Rs. 10,840 ($159.00) [Similarly Priced] |
| Colors | Pearl White, Lava Red, Onyx Black | Black, White, Blue, Yellow, Pink | White, Blue, Yellow, Pink, Mint Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
150 x 77.4 x 8.5 mm (5.91 x 3.05 x 0.33 in) |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
152 x 76 x 8.3 mm (5.98 x 2.99 x 0.33 in) |
| Weight | 156 g (5.5 oz) | 130 g (4.59 oz) | 160 g (5.64 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE 800 / 1800 / 2100 / 2600 (Bands 1, 3, 7, 20) | LTE | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4.x (KitKat) | Android OS, v5.0 (Lollipop) | Android OS, v5.0 (Lollipop) |
| Processor | Quad-core 1.83 GHz, Intel Atom Z3560 | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Octa-core 2.2 GHz Cortex-A53, Mediatek MT6795 |
| GPU | PowerVR G6430 | Adreno 405 | PowerVR G6200 |
| RAM | 2 GB | 2 GB | 2 GB |
| Internal Memory | 32 GB | 16/32 GB | 32 GB |
| External Memory | No | No | Yes |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.5 inches | 5.0 inches | 5.5 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 71.66% | 71.57% | 72.02% |
| 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, 4128 x 3096 pixels |
| Flash | optical image stabil | LED flash | Yes |
| Features | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Phase Detection Auto-focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | 5 MP [Similar] | 5 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA, LTE | HSPA, LTE |
| Bluetooth | v4.1, A2DP, LE | v4.0, A2DP | v4.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac, dual band, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 2 GB RAM | 16/32 GB, 2 GB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | No | No | Yes |
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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 | Non-removable Li-Po Battery | Li-Po Battery | Li-Po Battery |
| Capacity | 4000 mAh | 3120 mAh | 3060 mAh |
| Stand by | - | - | Up to 144 h (3G) |
| Talk Time | - | - | Up to 11 h 30 min (3G) |
