Phone Comparison - LG Optimus 2X vs Xiaomi Mi Note 2015 vs Lenovo K3 Note

general General Info

Manufacturer LG Xiaomi Lenovo
Announced December 2010 January 2015 March 2015
Status Available - February 2011 Available - January 2015 Available - March 2015
Price - - Rs. 9,058 ($133.21) [Similarly Priced]
Colors Black Black, White Yellow, White
Form Factor Candybar Candybar Candybar
Dimension 123.9 x 63.2 x 10.9 mm
(4.88 x 2.49 x 0.43 in )
155.1 x 77.6 x 7 mm
(6.11 x 3.06 x 0.28 in)
152.6 x 76.2 x 8 mm
(6.01 x 3 x 0.31 in)
Weight 139 g (4.9 oz) 161 g (5.68 oz) 150 g (5.29 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 1900 / 2100
HSDPA 900 / 1700 / 2100
HSDPA HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1880 / 2010
4G Network - LTE - SIM 1 & SIM 2 LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300)
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Corning Gorilla Glass 3 Back Panel -

hardware Hardware and OS

OS Android OS, v2.2 (Froyo), upgradable to v2.3 Android OS, v4.4.x (KitKat) Android OS, v5.0 (Lollipop)
Processor Dual-core 1 GHz Cortex-A9, Nvidia Tegra 2 AP20H Quad-core 2.5 GHz Krait 400, Qualcomm Snapdragon 801 Octa-core 1.7 GHz Cortex-A53, Mediatek MT6752
GPU ULP GeForce Adreno 330 Mali-T760MP2
RAM 512 MB 3 GB 2 GB
Internal Memory 8 GB storage 16/64 GB 16 GB
External Memory microSD, up to 32GB - microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 5.7 inches 5.5 inches
Resolution 480 x 800 pixels (233 ppi) 1080 x 1920 pixels (386 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 58.28% 74.60% 71.55%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS - FM radio
Games Yes + downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash dual-LED (dual tone) dual-LED (dual tone)
Features Auto focus, Geo-tagging, Face And Smile Detection, Touch Focus, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, 1080p@24fps, 720p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 1.3 MP [Similar] 4 MP, 1080p, 1/3 [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA, TD-SCDMA, LTE, TD-LTE
Bluetooth Yes, v2.1 with A2DP v4.0, A2DP, LE v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML, Adobe flash HTML5 HTML5

memory User Memory

Internal 8 GB storage, 512 MB RAM 16/64 GB, 3 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32GB - microSD, up to 32 GB
USB OTG - Supported -

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 Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 1500 mAh 3000 mAh 3000 mAh
Stand by Up to 400 h - Up to 750 h (3G)
Talk Time Up to 7 h 50 min - Up to 36 h (3G)