Phone Comparison - Lenovo K8 Note vs vivo Y91i vs Xiaomi Redmi 9A
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| Price Comparison (India) | - | ||
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| Manufacturer | Lenovo | vivo | Xiaomi |
| Announced | August 2017 | March 2019 | Not announced yet |
| Status | Available - August 2017 | Available - March 2019 | Rumored |
| Price | Rs. 12,999 ($200.00) [Similarly Priced] | Rs. 9,990 ($0.00) [Similarly Priced] | - |
| Colors | Fine Gold, Venom Black | Fusion Black, Sunset Red, Ocean Blue | Blue, other colors |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
154.5 x 75.9 x 8.5 mm (6.08 x 2.99 x 0.33 in) |
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
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| Weight | 180 g (6.35 oz) | 163.5 g (5.75.0.18 oz) | - |
| SIM Type | Dual-SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - Fingerprint Sensor - Metal Body |
- | - Fingerprint Sensor |
| Notification LED | Yes | - | - |
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| OS | Android OS, v7.1.1 (Nougat) | Android 8.1 (Oreo) | Android 10.0 |
| User Interface | - | Funtouch 4.5 | MIUI 12 |
| Processor | 2.3 GHz Deca-core, Mediatek MT6797 Helio X23 | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) | , MediaTek Helio G25 |
| GPU | Mali-T880 MP4 | PowerVR GE8320 | Mali-G31 |
| RAM | 3/4 GB | 2 GB | 3 GB |
| Internal Memory | 32/64 GB | 16/32 GB | 32 GB |
| External Memory | microSD, up to 128 GB | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated slot) |
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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 | 6.22 inches | 6.53 inches |
| Resolution | 1080 x 1920 pixels (401 ppi) | 720 x 1520 pixels (270 ppi) | 720 x 1600 pixels (269 ppi) |
| Screen-to-Body Ratio | 70.95% | 83.15% | - |
| 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 | Dual 13 MP + 5 MP | 13 MP | 13 MP |
| Flash | Dual-LED flash | LED Flash | LED Flash |
| Features | Autofocus, PureCell Plus Sensor, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | 13 MP, f/2.2, PDAF Panorama |
13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 13 MP [Similar] | 8 MP, f/1.8 [Similar] |
5 MP HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, VoLTE | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.1, A2DP | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| USB | microUSB v2.0, USB OTG | microUSB 2.0, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 32/64 GB, 3/4 GB RAM | 16/32 GB, 2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 128 GB | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated 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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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery | Non-removable Li-Po Battery | Non-removable Li-Po Battery |
| Capacity | 4000 mAh | 4030 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 12,999 
