Phone Comparison - Asus PadFone X vs Xiaomi Mi 3 vs Xiaomi Mi 4

general General Info

Manufacturer Asus Xiaomi Xiaomi
Announced March 2014 September 2013 July 2014
Status Coming Soon - Q2 2014 Available - December 2013 Available - Q3 2014
Colors Titanium Black, Platinum White Various Black, White
Form Factor Candybar Candybar Candybar
Dimension 143.4 x 72.5 x 10 mm
(5.65 x 2.85 x 0.39 in)
144 x 73.6 x 8.1 mm
(5.67 x 2.9 x 0.32 in)
139.2 x 68.5 x 8.9 mm
(5.48 x 2.7 x 0.35 in)
Weight 150 g (5.29 oz) 145 g (5.11 oz) 149 g (5.26 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE - LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4 (KitKat) optimized with MIUI version 5 Android OS, v4.4.3 (KitKat)
Processor Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 2.3 GHz Krait 400, Qualcomm MSM8274AB Snapdragon 800 Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801
GPU Adreno 330 Adreno 330 Adreno 330
RAM 2 GB 2 GB 3 GB
Internal Memory 16 GB 16/64 GB 16/64 GB
External Memory microSD, up to 64 GB No No

display Display

Type Super 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 5.0 inches
Resolution 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 66.16% 64.90% 72.14%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM 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, 4128 x 3096 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash dual-LED flash Dual-LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization, HDR Auto focus, 1/3' Sensor Size, 1.12┬Ám Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes, 1080p@30fps 1080p@30fps, HDR 2160p, 1080p@30fps, HDR
Front Camera Yes, 2 MP, 1080p@30fps [Similar] 2 MP, 1080p@30fps [Similar] 8 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 16 GB, 2 GB RAM 16/64 GB, 2 GB RAM 16/64 GB, 3 GB RAM
Expandable Storage microSD, up to 64 GB No No
USB OTG Supported 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 supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 2300 mAh 3050 mAh 3080 mAh
Stand by - Up to 500 h -
Talk Time - Up to 4 h -