Phone Comparison - Lenovo K900 vs Xiaomi Mi 4i vs Xiaomi Redmi 2 Prime

general General Info

Manufacturer Lenovo Xiaomi Xiaomi
Announced January 2013 April 2015 August 2015
Status Available - April 2013 Available - April 2015 Available - August 2015
Price - Rs. 8,999 ($132.34) [Similarly Priced] Rs. 6,999 ($102.93) [Similarly Priced]
Colors Black Black, White, Blue, Yellow, Pink Black, White
Form Factor Candybar Candybar Candybar
Dimension 157 x 78 x 6.9 mm
(6.18 x 3.07 x 0.27 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
Weight 162 g (5.71 oz) 130 g (4.59 oz) 133 g (4.69 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
4G Network - LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v5.0 (Lollipop) Android OS, v4.4.4 (KitKat)
Processor Dual-core 2.0 GHz, Intel Atom Z2580 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410
GPU PowerVR SGX544 Adreno 405 Adreno 306
RAM 2 GB 2 GB 2 GB
Internal Memory 16 GB 16/32 GB 16 GB (13.78 GB for Apps and Phone Storage)
External Memory microSD, up to 32 GB No microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.0 inches 4.7 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (312 ppi)
Screen-to-Body Ratio 67.94% 71.57% 67.83%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, autofocus 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash dual-LED flash LED flash LED flash
Features Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR Auto focus, 1.4 ┬Ám Pixel Size, BSI Sensor, Geo-tagging, Touch Focus, Face/smile Detection, HDR
Video Yes, 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP [Similar] 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSPA, LTE HSPA, LTE Cat4 150/50 Mbps
Bluetooth Yes, with A2DP v4.0, A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM 16 GB (13.78 GB for Apps and Phone Storage), 2 GB RAM
Expandable Storage microSD, up to 32 GB No 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 not supported NFC not supported

battery Battery

Type Li-Ion battery Li-Po Battery Li-Po Battery
Capacity 2500 mAh 3120 mAh 2200 mAh
Stand by - - -
Talk Time - - -