Phone Comparison - Xiaomi Mi 4i vs Lenovo K80 vs Samsung Galaxy A8
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| Manufacturer | Xiaomi | Lenovo | Samsung |
| Announced | April 2015 | April 2015 | July 2015 |
| Status | Available - April 2015 | Available - April 2015 | Available - August 2015 |
| Price | Rs. 8,999 ($132.34) [Similarly Priced] | Rs. 18,300 ($269.12) [Similarly Priced] | Rs. 26,990 ($396.91) [Similarly Priced] |
| Colors | Black, White, Blue, Yellow, Pink | Black, Silver, Red | Pearl White, Midnight Black, Champagne Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in) |
8.5 mm thickness (0.33 in thickness) |
158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) |
| Weight | 130 g (4.59 oz) | - | 151 g (5.33 oz) |
| 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 (optional) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint sensor |
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| OS | Android OS, v5.0 (Lollipop) | Android OS, v5.0 (Lollipop) | Android OS, v5.1 (Lollipop) |
| Processor | Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 | Quad-core 1.8 GHz | Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 |
| GPU | Adreno 405 | - | Adreno 405 |
| RAM | 2 GB | 4 GB | 2 GB |
| Internal Memory | 16/32 GB | 64 GB | 16/32 GB |
| External Memory | No | microSD, up to 32 GB | microSD, up to 128 GB (uses SIM 2 slot) |
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| Type | IPS LCD capacitive touchscreen | IPS capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.0 inches | 5.5 inches | 5.7 inches |
| Resolution | 1080 x 1920 pixels (441 ppi) | 1080 x 1920 pixels (401 ppi) | 1080 x 1920 pixels (386 ppi) |
| Screen-to-Body Ratio | 71.57% | - | 73.99% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio with RDS; recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 16 MP, 5312 x 2988 pixels |
| Flash | LED flash | optical image stabil | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR | Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] | Yes [Similar] | 5 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps |
| Bluetooth | v4.0, A2DP | v4.0, A2DP | v4.1, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, hotspot | Wi-Fi 802.11 a/b/g/n, 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 | Yes, with A-GPS, GLONASS/ Beidou (market dependant) |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 16/32 GB, 2 GB RAM | 64 GB, 4 GB RAM 32 GB, 2 GB RAM |
16/32 GB, 2 GB RAM |
| Expandable Storage | No | microSD, up to 32 GB | microSD, up to 128 GB (uses SIM 2 slot) |
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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 | Non-removable Li-Ion Battery |
| Capacity | 3120 mAh | 4000 mAh | 3050 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
