Phone Comparison - Lenovo S920 vs Lenovo Vibe Z K910 vs Xiaomi Redmi Note

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced March 2013 November 2013 March 2014
Status Available - May 2013 Available - January 2014 Available - March 2014
Colors White, Blue Black Various
Form Factor Candybar Candybar Candybar
Dimension 154 x 77.7 x 7.9 mm
(6.06 x 3.06 x 0.31 in)
7.9 mm thickness
(0.31 in thickness)
154 x 78.7 x 9.45 mm
(6.06 x 3.1 x 0.37 in)
Weight 159 g (5.61 oz) 147 g (5.19 oz) 199 g (7.02 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 2100 HSDPA 1900 / 2100
4G Network - 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, v4.3 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Quad-core 1.2 GHz Cortex-A7, MTK 6589 Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 Octa-core 1.4 GHz Cortex-A7 / Octa-core 1.7 GHz Cortex-A7, Mediatek MT6592
GPU PowerVR SGX544 Adreno 330 Mali-450MP4
RAM 1 GB 2 GB 1/2 GB
Internal Memory 4 GB 16 GB ROM 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB 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 5.3 inches 5.5 inches 5.5 inches
Resolution 720 x 1280 pixels (277 ppi) 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 64.76% - 68.82%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash Dual-LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 5 MP [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 DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 150 Mbps DL HSPA+
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual band Wi-Fi 802.11 a/b/g/n, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 16 GB ROM, 2 GB RAM 8 GB, 1/2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB 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-Po Battery - Li-Po Battery
Capacity 2250 mAh - 3100 mAh
Stand by Up to 480 h (2G)
Up to 480 h (3G)
- -
Talk Time Up to 25 h (2G)
Up to 12 h (3G)
- -