Phone Comparison - Lenovo Vibe X2 vs Lenovo K4 Note vs Xiaomi Redmi Note 4 (MediaTek)

general General Info

Manufacturer Lenovo Lenovo Xiaomi
Announced September 2014 January 2016 August 2016
Status Available - October 2014 Available - January 2016 Available - August 2016
Price - Rs. 10,999 ($161.75) [Similarly Priced] Rs. 9,060 ($135.00) [Similarly Priced]
Colors White, Gold, Red, Dark Grey Black Gold, Silver, Gray
Form Factor Candybar Candybar Candybar
Dimension 140.2 x 68.6 x 7.3 mm
(5.52 x 2.7 x 0.29 in)
153.6 x 76.5 x 9.15 mm
(6.05 x 3.01 x 0.36 in)
151 x 76 x 8.35 mm
(5.94 x 2.99 x 0.33 in)
Weight 120 g (4.23 oz) 158 g (5.57 oz) 175 g (6.17 oz)
SIM Type - - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100 HSDPA 900 / 1900 / 2100 HSDPA 2100
4G Network LTE 800 / 1800 / 2100 / 2600 LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Fingerprint Sensor
- Dual Front Speakers
- Fast Charging
- Fingerprint Sensor
- Infrared Sensor

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v5.1 (Lollipop) Android OS, v6.0.1 (Marshmallow)
Processor Octa-core 2.0 GHz, MediatTek MT6595m True8Core Octa-core 1.3 GHz Cortex-A53, Mediatek MT6753 2.3 GHz dual-core Cortex-A72 & 2 GHz quad-core Cortex-A53 & 1.4 GHz quad-core Cortex-A53, Mediatek MT6797 Helio X20
GPU PowerVR G600 Mali-T720MP3 Mali-T880 MP4
RAM 2 GB 3 GB 2/3 GB
Internal Memory 32 GB 16 GB 32/64 GB
External Memory No microSD, up to 128 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.5 inches 5.5 inches
Resolution 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 71.52% 70.80% 72.50%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 13 MP, 4208 x 3120 pixels 13 MP
Flash LED flash Dual-LED (Dual Tone) Dual-LED (Dual Tone)
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Auto focus, 1/3.06' Sensor Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@30fps, 720p@120fps
Front Camera 5 MP [Similar] 5 MP, 1080p [Similar] 5 MP, 1080p, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.0, A2DP v4.0, A2DP, LE v4.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n/ac, dual band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host, Fast Charge 2.0 microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 2 GB RAM 16 GB, 3 GB RAM 32/64 GB, 2/3 GB RAM
Expandable Storage No microSD, up to 128 GB microSD, up to 128 GB
USB OTG - Supported Yes

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 not supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 2300 mAh 3300 mAh 4100 mAh
Stand by Up to 228 h (2G)
Up to 216 h (3G)
Up to 265 h -
Talk Time Up to 17 h (2G)
Up to 19 h (3G)
Up to 22 h -