Asus Zenfone 3 vs Samsung Galaxy A8 vs ViVo X6

BASIC INFO
Model No Zenfone 3 Galaxy A8 -
Status Available Available. Available, Release 2015, December
Release Date Released 2016, August 2015, August 2015, November
Dimension 152.6 x 77.4 x 7.7 mm (6.01 x 3.05 x 0.30 in) 158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in) 147.9 x 73.8 x 6.7 mm (5.82 x 2.91 x 0.26 in)
Weight 155 g (5.47 oz) 151 g 135.5 g (4.80 oz)
Colors Sapphire Black, Moonlight White, Shimmer Gold Pearl White, Midnight Black, Champagne Gold Black, white, Blue
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM/ Micro-SIM, dual stand-by) Nano-SIM -
Technology GSM/HSPA/LTE GSM / HSPA / LTE -
OS Android OS, v5.1 (Lollipop) Android OS, v5.1.1 (Lollipop), upgradable to v6.0 (Marshmallow) Android OS, v5.1.1 (Lollipop)
PROSESSING
Processor Octa-core 2.0 GHz Cortex-A53 Quad-core 1.8 GHz Cortex-A53 & quad-core 1.3 GHz Cortex-A53 Octa Core 1.7 GHz Processor
Chipset Qualcomm MSM8953 Snapdragon 625 Qualcomm MSM8939 Snapdragon 615 -
GPU Adreno 506 Adreno 405 -
MEMORY
RAM 4GB 2GB -
Storage 32GB 16GB -
Card Slot up to 256 GB Up to 256 GB 32 GB storage, 4GB RAM, microSD, up to 2000GB
DISPLAY
Size 5.5 Inches Display 5.7 inches 1920 x 1080 pixels, 5.2 inches, 490 ppi pixel density
Type Super IPS+ capacitive touchscreen, 16M colors Super Amoled capacitive touchscreen, 16M colors Super AMOLED LCD capacitive touchscreen, 16M colors
Resolation 1080x1920 1080 x 1920 pixels -
PPI 401 386 ppi pixel density -
Multi touch Yes, up to 10 fingers Yes -
Protection Corning Gorilla Glass (unspecified version) -- Asus ZenUI 3.0 Corning Gorilla Glass 4 -
CAMERA
Primary 16 MP, f/2.0, laser/phase detection autofocus, OIS (4-axis), dual-LED (dual tone) flash 16 MP 13 MP, 4120 x 3096 pixels, autofocus, LED flash
Video 2160p@30fps 1080p@30fps, check quality Yes, 2160p@30fps, video stabilization
Flash LED Flash - -
Features Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama, HDR -
Selfie 8 MP, f/2.0, 1080p Yes 5 MP Yes, 8 MP
BATTERY
Battery Li-ion mAh battery Li-Ion Non-removable Li-Ion 2400 mAh battery
Capacity 3000 3050 mAh -
Removable Non-Removable Non-removable -
StandBy - - -
Talk Time - Up to 17 h (3G) -
Music Play - Up to 51 h -
Browsing - HTML5 -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - Global LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) TD-LTE 1900 / 2300 / 2600
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps (Global), LTE-A (2CA) Cat6 300/50 Mbps (Taiwan) HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi 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, DLNA, Wi-Fi hotspot
BlueTooth v4.2, A2DP, EDR, LE v4.1, A2DP, EDR, LE Yes, v3.1 with A2DP, EDR
USB v2.0, Type-C 1.0 reversible connector microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS/ BDS (market dependant) Yes, with A-GPS support
NFC - Yes -
Audio jeck 3.5mm Jeck Yes, 3.5mm Jack -
OTHERS
Sensors Fingerprint, accelerometer, gyro, proximity, compass Fingerprint, accelerometer, proximity, compass -
Radio FM radio FM radio, RDS, recording -
SARUS - - -
SAREU - - -
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