Phone Comparison - Xiaomi Mi 4 vs Lenovo Vibe X2 vs Xiaomi Redmi Note 2

general General Info

Manufacturer Xiaomi Lenovo Xiaomi
Announced July 2014 September 2014 August 2015
Status Available - Q3 2014 Available - October 2014 Available - August 2015
Price - - Rs. 9,700 ($141.99) [Similarly Priced]
Colors Black, White White, Gold, Red, Dark Grey Black, White, Yellow, Mint Green, Blue
Form Factor Candybar Candybar Candybar
Dimension 139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
152 x 76 x 8.3 mm
(5.98 x 2.99 x 0.33 in)
Weight 149 g (5.26 oz) 120 g (4.23 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA
4G Network LTE LTE 800 / 1800 / 2100 / 2600 LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.3 (KitKat) Android OS, v4.4 (KitKat) Android OS, v5.0 (Lollipop) based MIUI 7
Processor Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Octa-core 2.0 GHz, MediatTek MT6595m True8Core Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795
GPU Adreno 330 PowerVR G600 PowerVR G6200
RAM 3 GB 2 GB 2 GB
Internal Memory 16/64 GB 32 GB 16 GB
External Memory No No Yes

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.5 inches
Resolution 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 72.14% 71.52% 72.02%
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 13 MP, 4128 x 3096 pixels 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels
Flash Dual-LED Flash LED flash LED flash
Features Auto focus, 1/3' Sensor Size, 1.12µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR
Video 2160p, 1080p@30fps, HDR 1080p@30fps 1080p@30fps
Front Camera 8 MP, 1080p@30fps [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL TD-SCDMA
Bluetooth v4.0, A2DP v4.0, A2DP v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/64 GB, 3 GB RAM 32 GB, 2 GB RAM 16 GB, 2 GB RAM
Expandable Storage No No Yes
USB OTG Supported - 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 supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 3080 mAh 2300 mAh 3060 mAh
Stand by - Up to 228 h (2G)
Up to 216 h (3G)
-
Talk Time - Up to 17 h (2G)
Up to 19 h (3G)
-