Phone Comparison - Apple iPad mini 2 Retina Display vs Google Nexus 9 vs Xiaomi Mi Pad 7.9

general General Info

Manufacturer Apple HTC Xiaomi
Announced October 2013 October 2014 March 2014
Status Available - November 2013 Available - October 2014 Available - June 2014
Colors Space Gray, Silver Indigo Black, Lunar White, Sand Blue, Green, Yellow, Pink, White, Gray
Form Factor Candybar Candybar Candybar
Dimension 200 x 134.7 x 7.5 mm
(7.87 x 5.3 x 0.3 in)
228.25 x 153.68 x 7.95 mm
(8.99 x 6.05 x 0.31 in)
202 x 135.4 x 8.5 mm
(7.95 x 5.33 x 0.33 in)
Weight 331 g / 341 g (11.68 oz / 12.03 oz) 425 g / 436 g (14.99 oz / 15.38 oz) 360 g (12.7 oz)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA2000 1xEV-DO
GSM 850 / 900 / 1800 / 1900 No
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 No
4G Network LTE- all models LTE 800 / 1800 / 2600 -
Messaging , Push Mail, EMail, IM SMS, MMS, EMail, IM , EMail, IM
Build Features - Dual front-facing speakers with HTC BoomSound -

hardware Hardware and OS

OS iOS 7.0.2 Android OS, v5.0 (Lollipop) Android OS, v4.4 (KitKat)
Processor Dual-core 1.3 GHz Cyclone (ARM v8-based), Apple A7 Quad-core 2.2 GHz Cortex-A15, Nvidia Tegra K1 Quad-core 2.2 GHz Cortex-A15, Nvidia Tegra K1
GPU PowerVR G6430 (quad-core graphics) ULP GeForce Kepler (192 cores) ULP GeForce Kepler (192 cores)
RAM N/A 2 GB 2 GB
Internal Memory 16/32/64/128 GB storage 16/32 GB 16/64 GB
External Memory No No microSD, up to 128 GB

display Display

Type LED-backlit IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 7.9 inches 8.9 inches 7.9 inches
Resolution 1536 x 2048 pixels (324 ppi) 2048 x 1536 pixels (288 ppi) 1536 x 2048 pixels (324 ppi)
Screen-to-Body Ratio 71.76% 69.76% 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, 2592x1944 pixels 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash No LED flash No
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, OIS -
Video Yes, 1080p@30fps, video stabilization Yes, 1080p@30fps 1080p
Front Camera Yes, 1.2 MP, 720p@30fps, face detection, [Similar] Yes, 1.6 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes No
Edge Yes Yes No
3G DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 100 Mbps; EV-DO Rev. A, up to 3.1 Mbps HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL No
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP v4.0
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, v2.0 Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS No
Browser HTML (Safari) HTML5 HTML5

memory User Memory

Internal 16/32/64/128 GB storage 16/32 GB, 2 GB RAM 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 not present proximity sensor present proximity sensor not 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 (23.8 Wh) Non-removable Li-Po battery Li-Po Battery
Capacity - 6700 mAh 6700 mAh
Stand by - Up to 720 h -
Talk Time Up to 10 h (multimedia) Up to 9 h 30 min Up to 11 h (multimedia)