Phone Comparison - Lenovo A7000 vs Microsoft Lumia 640 LTE vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo Microsoft Xiaomi
Announced March 2015 March 2015 April 2015
Status Available - May 2015 Available - April 2015 Available - April 2015
Price Rs. 8,400 ($123.53) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Onyx Black, Pearl White Yes Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 152.6x 76.2 x 7.9 mm
(6.01x 3 x 0.31 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 140 g (4.94 oz) 145 g (5.11 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 700 / 900 / 1800 LTE LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features Dolby Atmos - -

hardware Hardware and OS

OS Android OS, v5.0 (Lollipop) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.0 (Lollipop)
Processor Octa-core 1.5 GHz Cortex-A53, Mediatek MT6572M Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Mali-T760MP2 Adreno 305 Adreno 405
RAM 2 GB 1 GB 2 GB
Internal Memory 8 GB 8 GB 16/32 GB
External Memory microSD, up to 32 GB; SD cards microSD, up to 128 GB No

display Display

Type IPS LCD Capacitive Touchscreen, IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio - 67.43% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, 1/4'' Sensor Size Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 1 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth v4.0, A2DP, EDR v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB; SD cards microSD, up to 128 GB No

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Li-Po Battery Li-Ion Battery Li-Po Battery
Capacity 2900 mAh 2500 mAh 3120 mAh
Stand by Up to 264 h (2G)
Up to 264 h (3G)
Up to 288 h (4G)
Up to 864 h (2G)
Up to 864 h (3G)
-
Talk Time Up to 39 h (2G)
Up to 16 h (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
-