Phone Comparison - Lenovo K900 vs Sony Xperia C3 Dual vs Xiaomi Mi 4i

general General Info

Manufacturer Lenovo Sony Xiaomi
Announced January 2013 July 2014 April 2015
Status Available - April 2013 Available - August 2014 Available - April 2015
Price - - Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black Black, White, Mint Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
156.2 x 78.7 x 7.6 mm
(6.15 x 3.1 x 0.3 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 162 g (5.71 oz) 149.7 g (5.26.0.25 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926 Snapdragon 400 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU PowerVR SGX544 Adreno 305 Adreno 405
RAM 2 GB 1 GB 2 GB
Internal Memory 16 GB 8 GB 16/32 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB No

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Triluminos Display, Mobile BRAVIA Engine 2 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.0 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (267 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.94% 67.85% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p@30fps 1080p, HDR 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP, 720p, LED flash [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 296 kbps Yes
3G HSPA+ HSDPA, 42 Mbps; HSUPA, 5.76 Mbps HSPA, LTE
Bluetooth Yes, with A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 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-Ion battery Li-Ion Battery Li-Po Battery
Capacity 2500 mAh 2500 mAh 3120 mAh
Stand by - Up to 1040 h (2G)
Up to 960 h (3G)
-
Talk Time - Up to 11 h (2G)
Up to 25 h (3G)
-