Phone Comparison - Xiaomi Redmi 2 vs Lava Iris X8 vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Xiaomi Lava Microsoft
Announced January 2015 February 2015 March 2015
Status Available - January 2015 Available - February 2015 Available - April 2015
Price Rs. 5,999 ($88.22) [Similarly Priced] Rs. 6,649 ($97.78) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black, White, Yellow, Pink, Green Black, White Yes
Form Factor Candybar Candybar Candybar
Dimension 134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
143.4x70.9x8.6 mm
(5.65x2.79x0.34 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 133 g (4.69 oz) 160 g (5.64 oz) 145 g (5.11 oz)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
HSDPA 2100 HSDPA 850 / 900 / 2100
4G Network LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v4.4.2 (KitKat), planned upgrade to v5.0 (Lollipop) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Octa-core 1.4 GHz, Mediatek MT6592M Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 306 Mali-450MP4 Adreno 305
RAM 1 GB 2 GB 1 GB
Internal Memory 8 GB 16 GB (12.9 GB for mass storage) 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Asahi Glass IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16.7M colors 16M colors
Size 4.7 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 67.83% - 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio FM Radio with Recording 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, 3264x2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR Auto focus, BSI III Sensor, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, 1/4'' Sensor Size
Video Yes, 1080p Yes, 1080p@30fps 1080p@30fps
Front Camera 2 MP, 720p [Similar] Yes, 3 MP [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE Cat4 150/50 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS support Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM / 16 GB, 2 GB RAM 16 GB (12.9 GB for mass storage), 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 GB

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 not supported NFC supported

battery Battery

Type Li-Po Battery Li-Ion Battery Li-Ion Battery
Capacity 2200 mAh 2500 mAh 2500 mAh
Stand by - - Up to 864 h (2G)
Up to 864 h (3G)
Talk Time - Up to 14 h (2G)
Up to 9 h (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)