Phone Comparison - Xiaomi Mi 4 vs Lenovo Vibe X2 vs Lenovo Vibe X3

general General Info

Manufacturer Xiaomi Lenovo Lenovo
Announced July 2014 September 2014 November 2015
Status Available - Q3 2014 Available - October 2014 Available - December 2015
Price - - Rs. 19,999 ($294.10) [Similarly Priced]
Colors Black, White White, Gold, Red, Dark Grey White, Black
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)
154 x 76.5 x 9.3 mm
(6.06 x 3.01 x 0.37 in)
Weight 149 g (5.26 oz) 120 g (4.23 oz) 175 g (6.17 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 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
4G Network LTE LTE 800 / 1800 / 2100 / 2600 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 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, v5.1 (Lollipop)
Processor Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Octa-core 2.0 GHz, MediatTek MT6595m True8Core Quad-core 1.2 GHz Cortex-A53 & Dual-core 1.8 GHz Cortex-A57, Qualcomm MSM8992 Snapdragon 808
GPU Adreno 330 PowerVR G600 Adreno 418
RAM 3 GB 2 GB 3 GB
Internal Memory 16/64 GB 32 GB 32/64 GB
External Memory No No microSD, up to 128 GB (uses SIM 2 slot)

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% 70.62%
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 21 MP, f/2.0
Flash Dual-LED Flash LED flash Dual-tone Flash
Features Auto focus, 1/3' Sensor Size, 1.12┬Ám Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 2160p, 1080p@30fps, HDR 1080p@30fps 2160p@30fps
Front Camera 8 MP, 1080p@30fps [Similar] 5 MP [Similar] 8 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 HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth v4.0, A2DP v4.0, A2DP v4.1, 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 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB microUSB v2.0 (MHL), USB On-the-go microUSB v2.0 microUSB v2.0
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 32/64 GB, 3 GB RAM
Expandable Storage No No microSD, up to 128 GB (uses SIM 2 slot)
USB OTG Supported - -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint 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 supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Capacity 3080 mAh 2300 mAh 3500 mAh
Stand by - Up to 228 h (2G)
Up to 216 h (3G)
Up to 618 h (3G)
Talk Time - Up to 17 h (2G)
Up to 19 h (3G)
Up to 31 h (3G)