Phone Comparison - Xiaomi Mi 4i vs Xiaomi Redmi 4X vs Xiaomi Mi 6

general General Info

Manufacturer Xiaomi Xiaomi Xiaomi
Announced April 2015 February 2017 April 2017
Status Available - April 2015 Available - March 2017 Available - April 2017
Price Rs. 8,999 ($132.34) [Similarly Priced] Rs. 6,790 ($100.00) [Similarly Priced] Rs. 23,500 ($362.00) [Similarly Priced]
Colors Black, White, Blue, Yellow, Pink Cherry Pink, Champagne Gold, Matte Black Ceramic Black, Black, Blue, White
Form Factor Candybar Candybar Candybar
Dimension 138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
139.24 x 69.96 x 8.65 mm
(5.48 x 2.75 x 0.34 in)
145.2 x 70.5 x 7.5 mm
(5.72 x 2.78 x 0.3 in)
Weight 130 g (4.59 oz) 150 g (5.29 oz) 168 g / 182 g (5.93 oz / 6.42 oz)
SIM Type - Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor
- Infrared Sensor
- Metal Build
- 2.5D Curved Glass
- Fingerprint Sensor
- Splash resistant
Notification LED - Yes -

hardware Hardware and OS

OS Android OS, v5.0 (Lollipop) Android OS, v6.0.1 (Marshmallow) Android OS, v7.1.1 (Nougat)
User Interface - MIUI 8 -
Processor Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo), Qualcomm MSM8998 Snapdragon 835
GPU Adreno 405 Adreno 505 Adreno 540
RAM 2 GB 2/3 GB 6 GB
Internal Memory 16/32 GB 16/32 GB 64/128 GB
External Memory No microSD, up to 128 GB (uses SIM 2 slot) No

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, To Be Confirmed
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.15 inches
Resolution 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (428 ppi)
Screen-to-Body Ratio 71.57% 70.62% 71.34%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio FM Radio No
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 Dual 12 MP (f/1.8 & f/2.6)
Flash LED flash Dual-LED (dual Tone) Dual-LED (dual Tone)
Features Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR Phase Detection Autofocus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, 27mm & f/2.6, 52mm), OIS (4-axis), 1.25 µm @ 27mm / 1.0 µm @ 52mm Pixel Size, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 1080p@30fps 1080p@30fps 2160p@30fps, 1080p@30fps, 720p@120fps
Front Camera 5 MP [Similar] 5 MP [Similar] 8 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE HSPA, LTE
Bluetooth v4.0, A2DP v4.2, A2DP, EDR, LE v5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
USB microUSB v2.0 microUSB v2.0, USB OTG Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB, 2 GB RAM 16/32 GB, 2/3 GB RAM 64/128 GB, 6 GB RAM
Expandable Storage No microSD, up to 128 GB (uses SIM 2 slot) No
USB OTG - Supported Not Supported

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
Barometer Sensor barometer sensor barometer sensor barometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Li-Po Battery Non-removable Li-Ion Battery Non-removable Li-Po Battery
Capacity 3120 mAh 4100 mAh 3350 mAh
Stand by - - -
Talk Time - - -