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Oppo R7s vs Samsung Galaxy A9 vs Asus Zenfone Selfie

BASIC INFO
Model No Oppo R7s Galaxy A9 Zenfone Selfie
Status Available. Released 2015, December Available Available
Release Date 2015, October 2015, December 2015, August
Dimension 151.8 x 75.4 x 7 mm (5.98 x 2.97 x 0.28 in) 161.9 x 81.3 x 7.3 mm (6.37 x 3.20 x 0.29 in) 6.16 x 3.04 x 0.43 inches (156.5 x 77.2 x 10.8 mm)
Weight 155 g (5.47 oz) 200 grams 6.00 oz (170 g)
Colors Golden Pearl White, Midnight Black, Champagne Gold Gray, Pink, Blue, Red, White, Gold
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.1 (Lollipop) Android OS, v5.1.1 (Lollipop). upgradeable Android OS, v6.0 marshmallow Android OS, v5.0 Lollypop
PROSESSING
Processor Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Quad-core 1.8 GHz Cortex-A72 & quad-core 1.2 GHz Cortex-A53 Octa-core, 1700 MHz, ARM Cortex-A53, 64-bit
Chipset Qualcomm MSM8939 Snapdragon 615 Qualcomm MSM8976 Snapdragon 652 Qualcomm Snapdragon 615 8939
GPU Adreno 405 Adreno 510 Adreno 405
MEMORY
RAM 4GB 3 GB 3 GB
Storage 32GB 32 GB 32
Card Slot microSD, up to 256 GB (uses SIM 2 slot) Up to 128 GB microSD, up to 256 GB (dedicated slot)
DISPLAY
Size 5.5 inches 6 inches 5.5 inches
Type AMOLED capacitive touchscreen, 16M colors Super Amoled capacitive touchscreen, 16M colors IPS capacitive touchscreen, 16M colors
Resolation 1080 x 1920 pixels 1080 x 1920 pixels 1080 x 1920 pixels
PPI 401 ppi pixel density 367 ppi pixel density 401 ppi pixel density
Multi touch Yes Yes Yes
Protection Corning Gorilla Glass 3, Color OS 2.1 Corning Gorilla Glass 4 Corning Gorilla Glass 4, oleophobic coating
CAMERA
Primary 13 MP 13 MP 13 MP
Video 1080p@30fps 1080p@30fps 1080p@30fps
Flash Led flash Triple-LED flash LED flash
Features Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama, HDR Voice dialing, Voice commands, Voice recording
Selfie 8 MP Yes 8 MP 13 MP
BATTERY
Battery Li-Po Li-Ion battery Li-Po battery
Capacity 3070 mAh 4000 mAh 3000 mAh
Removable Non-removable Non-removable -
StandBy - - -
Talk Time - - -
Music Play - - -
Browsing - HTML5 HTML5
Video Playback - - -
F Charging - No -
W Charging - No -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM850, 900, 1800, 1900 MHz
3G Network HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan, USA HSDPA 850 / 900 / 1900 / 2100 HSDPA 850, 900, 1900, 2100 MHz
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - Global
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan
LTE band 1(2100), 2(1900), 4(1700/2100), 7(2600), 17(700) 		LTE LTE
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, WiFi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
BlueTooth v4.0 V4.0 with A2DP v4.0, A2DP, EDR
USB microUSB v2.0, USB Host MicroUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, BDS
NFC No Yes -
Audio jeck Yes, 3.5mm Yes, 3,5 mm 3.5mm
OTHERS
Sensors Accelerometer, proximity, compass Fingerprint, accelerometer, gyro, proximity, compass Accelerometer, proximity, compass
Radio No FM radio with RDS; recording FM radio
SARUS - 1.19 W/kg (head), 1.33 W/kg (body) -
SAREU - 0.18 W/kg (head), 0.55 W/kg (body) -
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