Oppo R7s vs Samsung Galaxy A8 2016 vs Samsung Galaxy A7 Dual SIM

BASIC INFO
Model No Oppo R7s Galaxy A8 2016 A7000, A7009, A700H, A700YD
Status Available. Released 2015, December Available Available. Released 2015, February
Release Date 2015, October Released 2016, October 2015, January
Dimension 151.8 x 75.4 x 7 mm (5.98 x 2.97 x 0.28 in) 158 x 76.8 x 6 mm (6.22 x 3.02 x 0.24 in) 151 x 76.2 x 6.3 mm (5.94 x 3.00 x 0.25 in)
Weight 155 g (5.47 oz) - 141 g (4.97 oz)
Colors Golden Pearl White, Midnight Black, Champagne Gold Pearl White, Midnight Black, Champagne 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 (Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.1 (Lollipop) Android OS, v6.0.1 (Marshmallow) Android OS, v 4.4.2 (KitKat)
PROSESSING
Processor Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) Quad-core Cortex-A53 & Quad-core Cortex-A57 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53
Chipset Qualcomm MSM8939 Snapdragon 615 Exynos 7420 Octa Qualcomm MSM8939 Snapdragon 615
GPU Adreno 405 Mali-T760MP8 Adreno 405
MEMORY
RAM 4GB 3GB 2GB
Storage 32GB 32GB 16GB
Card Slot microSD, up to 256 GB (uses SIM 2 slot) Up to 256 GB up to 64 GB (dedicated slot)
DISPLAY
Size 5.5 inches 5.1 inches 5.5 Inches
Type AMOLED capacitive touchscreen, 16M colors Super Amoled capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Resolation 1080 x 1920 pixels 1080 x 1920 pixels 1080 x 1920 pixels
PPI 401 ppi pixel density 432 ppi pixel density 401 ppi pixel density
Multi touch Yes Yes Yes
Protection Corning Gorilla Glass 3, Color OS 2.1 (To be confirmed) Corning Gorilla Glass 4
CAMERA
Primary 13 MP 16 MP 13 MP, f/2.0, 28mm, autofocus
Video 1080p@30fps 1080p@30fps 1080p@30fps
Flash Led flash LED flash Led flash
Features Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama, HDR
Selfie 8 MP Yes 5 MP 5 MP, f/2.2, 23mm, 1080p
BATTERY
Battery Li-Po Li-Ion battery Li-Ion
Capacity 3070 mAh 3050 mAh 2600 mAh
Removable Non-removable Non-removable Non-removable
StandBy - - -
Talk Time - - Up to 17 h (3G)
Music Play - - Up to 54 h
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
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) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan, USA HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - A700YD, A700H
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 band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) LTE band 1(2100), 3(1800), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - A700YD
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 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 a/b/g/n/ac, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
BlueTooth v4.0 v4.2, A2DP, EDR, LE v4.0, A2DP, EDR, LE
USB microUSB v2.0, USB Host microUSB v2.0 MicroUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS/ BDS (market dependant) Yes, with A-GPS, GLONASS/ BDS (market dependant)
NFC No Yes Yes (A700YD)
Audio jeck Yes, 3.5mm Yes, 3.5 mm Jack Yes, 3.5mm
OTHERS
Sensors Accelerometer, proximity, compass Fingerprint, accelerometer, proximity, compass Accelerometer, proximity, compass
Radio No FM radio, RDS, recording FM radio
SARUS - - 1.25 W/kg (head) 1.05 W/kg (body)
SAREU - - 0.29 W/kg (head) 0.39 W/kg (body)
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