Phone Comparison - Apple iPhone 4 vs Apple iPad mini 2 Retina Display vs Xiaomi Mi Pad 7.9

general General Info

Manufacturer Apple Apple Xiaomi
Announced June 2010 October 2013 March 2014
Status Available - June 2010 Available - November 2013 Available - June 2014
Colors Black, White Space Gray, Silver Blue, Green, Yellow, Pink, White, Gray
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
200 x 134.7 x 7.5 mm
(7.87 x 5.3 x 0.3 in)
202 x 135.4 x 8.5 mm
(7.95 x 5.33 x 0.33 in)
Weight 137 g (4.83 oz) 331 g / 341 g (11.68 oz / 12.03 oz) 360 g (12.7 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
No
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 No
4G Network - LTE- all models -
Messaging SMS, MMS, Push Mail, EMail, IM , Push Mail, EMail, IM , EMail, IM

hardware Hardware and OS

OS iOS 4, upgradable to iOS 5 iOS 7.0.2 Android OS, v4.4 (KitKat)
Processor 1 GHz Cortex-A8, Apple A4 Dual-core 1.3 GHz Cyclone (ARM v8-based), Apple A7 Quad-core 2.2 GHz Cortex-A15, Nvidia Tegra K1
GPU PowerVR SGX535 PowerVR G6430 (quad-core graphics) ULP GeForce Kepler (192 cores)
RAM 512 MB N/A 2 GB
Internal Memory 8/16/32 GB storage 16/32/64/128 GB storage 16/64 GB
External Memory No No microSD, up to 128 GB

display Display

Type LED-backlit IPS TFT, capacitive touchscreen LED-backlit IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 7.9 inches 7.9 inches
Resolution 640 x 960 pixels (330 ppi) 1536 x 2048 pixels (324 ppi) 1536 x 2048 pixels (324 ppi)
Screen-to-Body Ratio 53.92% 71.76% 70.69%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No No No
Games Yes + downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592x1944 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash No No
Features Auto focus, Touch Focus, Geo-tagging, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR -
Video Yes, 720p@30fps, LED video light, geo-tagging Yes, 1080p@30fps, video stabilization 1080p
Front Camera Yes, videocalling over Wi-Fi only [Similar] Yes, 1.2 MP, 720p@30fps, face detection, [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes No
Edge Class 10, 236.8 kbps Yes No
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 100 Mbps; EV-DO Rev. A, up to 3.1 Mbps No
Bluetooth Yes, v2.1 with A2DP Yes, v4.0 with A2DP, EDR v4.0
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 Yes, v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS No
Browser HTML (Safari) HTML (Safari) HTML5

memory User Memory

Internal 8/16/32 GB storage, 512 MB RAM 16/32/64/128 GB storage 16/64 GB, 2 GB RAM
Expandable Storage No No microSD, up to 128 GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor not present proximity sensor not present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Po Non-removable Li-Po battery (23.8 Wh) Li-Po Battery
Capacity 1420 mAh - 6700 mAh
Stand by Up to 300 h (2G)
Up to 300 h (3G)
- -
Talk Time Up to 14 h (2G)
Up to 7 h (3G)
Up to 10 h (multimedia) Up to 11 h (multimedia)