Phone Comparison - Microsoft Lumia 640 XL Dual SIM vs Lenovo K3 Note vs Xiaomi Redmi Note 2 Prime

general General Info

Manufacturer Microsoft Lenovo Xiaomi
Announced March 2015 March 2015 August 2015
Status Available - April 2015 Available - March 2015 Available - August 2015
Price Rs. 12,999 ($191.16) [Similarly Priced] Rs. 9,058 ($133.21) [Similarly Priced] Rs. 10,840 ($159.00) [Similarly Priced]
Colors Matte cyan, Orange, Black, Matte white, Glossy white Yellow, White White, Blue, Yellow, Pink, Mint Green
Form Factor Candybar Candybar Candybar
Dimension 157.9 x 81.5 x 9 mm
(6.22 x 3.21 x 0.35 in)
152.6 x 76.2 x 8 mm
(6.01 x 3 x 0.31 in)
152 x 76 x 8.3 mm
(5.98 x 2.99 x 0.33 in)
Weight 171 g (6.03 oz) 150 g (5.29 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 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 TD-SCDMA 1880 / 2010 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300) LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.0 (Lollipop) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752 Octa-core 2.2 GHz Cortex-A53, Mediatek MT6795
GPU Adreno 305 Mali-T760MP2 PowerVR G6200
RAM 1 GB 2 GB 2 GB
Internal Memory 8 GB 16 GB 32 GB
External Memory microSD, up to 128 GB microSD, up to 32 GB Yes

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.7 inches 5.5 inches 5.5 inches
Resolution 720 x 1280 pixels (259 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 68.88% 71.55% 72.02%
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 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED Flash dual-LED (dual tone) Yes
Features Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama 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, 1080p [Similar] 5 MP [Similar] 5 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps HSPA, TD-SCDMA, LTE, TD-LTE HSPA, LTE
Bluetooth v4.0, A2DP v4.0, A2DP, LE v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n, 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, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 16 GB, 2 GB RAM 32 GB, 2 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 32 GB Yes

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 supported NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Po Battery
Capacity 3000 mAh 3000 mAh 3060 mAh
Stand by Up to 936 h (2G)
Up to 936 h (3G)
Up to 750 h (3G) Up to 144 h (3G)
Talk Time Up to 31 h 20 min (2G)
Up to 23 h 40 min (3G)
Up to 36 h (3G) Up to 11 h 30 min (3G)