Walton Primo ZX2 Mini vs Samsung Galaxy J7 2016 vs Asus Zenfone Selfie ZD551KL 16GB

BASIC INFO
Model No Primo ZX2 Mini Galaxy J7 2016 Zenfone Selfie ZD551KL 16GB
Status Available. Released, February 2016 Available Available
Release Date 2016, January 2015, April 2015, August
Dimension 151.9 x 74.6 x 6.9 mm 151.7 x 76 x 7.8 mm (5.97 x 2.99 x 0.31 in) 156.5 x 77.2 x 10.8 mm (6.16 x 3.04 x 0.43 in)
Weight 147 g 170 g (6.00 oz) 170 g (6.00 oz)
Colors Golden, Liquid Silver, Slate Gray White, Black, Gold, Rose Gold Pure White, Chic Pink, Aqua Blue
Body Metrial - - -
W & D Proof - - -
SIM Type 1 Micro SIM+ 1 Nano SIM Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / UMTS/ LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android OS, v5.1 (Lollipop) Android OS, v6.0.1 (Marshmallow) Android OS, v5.0 (Lollipop), upgradable to v6.0 (Marshmallow)
PROSESSING
Processor Octa-core 1.3 GHz Cortex-A53 Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 1.6 GHz Cortex-A53
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Chipset MediaTek MT6753 Qualcomm MSM8952 Snapdragon 617
Exynos 7870 Octa
Qualcomm MSM8939 Snapdragon 615
GPU Mali-T720MP3 Adreno 405
Mali-T830MP2
Adreno 405
MEMORY
RAM 3GB 2GB 2/3 GB
Storage 32GB 16GB 16/32 GB
Card Slot up to 128 GB (dedicated slot) Up to 256 GB microSD, up to 256 GB.
DISPLAY
Size 5.5 inches 5.5 inches 5.5 Inches
Type SUPER Amoled capacitive touchscreen, 16M colors SUPER Amoled capacitive touchscreen, 16M colors IPS capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels Full HD 720 x 1280 pixels 1080 x 1920 pixels
PPI 344 ppi pixel density 267 ppi pixel density 403 ppi pixel
Multi touch Yes, Up to 10 fingers Yes Yes
Protection 3rd Generation Corning Gorilla Glass(Both Back&Front) - Corning Gorilla Glass 4, oleophobic coating
CAMERA
Primary BSI 13 MP, autofocus 13 MP 13 MP
Video Yes, 1080p@30fps 1080p@30fps, check quality 1080p@30fps
Flash Led flash LED flash LED flash
Features Geo-tagging, Touch focus, face/smile detection, HDR, panorama, Digital Zoom, Continuous Touch, V-Capture etc. Geo-tagging, touch focus, face detection, panorama, HDR 1/3
Selfie 8 MP, 720p, Aperture f2.2, Touch Focus, Face Beauty, GIF etc. 5 MP, f/1.9, LED flash 13MP
BATTERY
Battery Li-Po Li-Ion battery Li-Po
Capacity 3150 mAh 3300 mAh 3000 mAh
Removable Yes Yes Removable
StandBy - - -
Talk Time - Up to 23 h (3G) -
Music Play - Up to 96 h -
Browsing - HTML5 HTML5
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network UMTS 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H HSDPA 850 / 900 / 1900 / 2100
4G Network LTE FDD 1800/2100/2600,LTE TDD 1900/2300/2500/2600 MHz LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - Global
Speed 3G/EDGE/GPRS/HSPA+/4G HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
BlueTooth Yes, v4.0 v4.1, A2DP v4.0, A2DP, EDR
USB Yes, Type-C USB 2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, A-GPS, Digital Compass Yes, with A-GPS, GLONASS/ BDS (region dependent) Yes, with A-GPS, GLONASS, BDS
NFC No Yes -
Audio jeck Yes, 3.5mm Yes, 3.5 mm 3.5mm jack
OTHERS
Sensors Accelerometer, Proximity, Gyroscope sensor, Compass sensor, Hall sensor Accelerometer, proximity Accelerometer, gyro, proximity, compass
Radio Stereo FM radio with RDS FM radio, RDS, recording FM radio, RDS
SARUS - 1.10 W/kg (head) 1.01 W/kg (body) -
SAREU - 0.35 W/kg (head) 1.39 W/kg (body) -
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