Phone Comparison - Oppo Find 7 QHD vs Samsung Galaxy Tab S 8.4 LTE vs Xiaomi Mi 4i

general General Info

Manufacturer Oppo Samsung Xiaomi
Announced March 2014 June 2014 April 2015
Status Available - May 2014 Available - July 2014 Available - April 2015
Price - - Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Black White, Black Black, White, Blue, Yellow, Pink
Form Factor Candybar Dazzling White, Titanium Bronze Candybar
Dimension 152.6 x 75 x 9.2 mm
(6.01 x 2.95 x 0.36 in)
212.8 x 125.6 x 6.6 mm
(8.38 x 4.94 x 0.26 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 173 g (6.1 oz) 298 g (10.51 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE 800 / 900 / 1800 / 2600
LTE 850 / 2100
LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor -

hardware Hardware and OS

OS Android OS Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 Quad-core 2.3 GHz Krait 400, Qualcomm Snapdragon 800 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 330 Adreno 330 Adreno 405
RAM 3 GB 3 GB 2 GB
Internal Memory 32 GB 16/32 GB 16/32 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB No

display Display

Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 8.4 inches 5.0 inches
Resolution 2560 x 1440 pixels (534 ppi) 1600 x 2560 pixels (359 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 72.87% 76.71% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels
Flash Dual-LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 2160p@30fps, 1080p@30fps, 720p@120fps Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 5 MP [Similar] Yes, 2.1 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+, LTE HSDPA, HSUPA; LTE HSPA, LTE
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi 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, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 32 GB, 3 GB RAM 16/32 GB, 3 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB No

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Li-Po Battery
Capacity 3000 mAh 4900 mAh 3120 mAh
Stand by - - -
Talk Time - - -