Compare the smartphones with respect to their specifications- stuffcompare.com
General
Model Name Asus Zenfone 3s Max ZC521TL    
Announced 2017, Feb    
SIM Type Dual SIM    
SIM Size Micro SIM & Nano SIM    
Color in Available Sand Gold, Black    
Hybrid Sim Slot YES    
Display
Type IPS Capacitive Touchscreen    
Size 5.2 inches (--75% screen-to-body ratio)    
Resolution 1280 x 720 Pixels    
Display colors 16 M colors    
Multitouch YES, 5 Points    
Protection --    
Other feature Contrast Ratio: 16:9, Glare Type, Wide Active Matrix, On Cell 2.5D Glass, 400nits brightness, Bluelight Filter for Eye Care    
Network & Connectivity
Network Technology GSM / HSPA / LTE    
2G GSM 850 / 900 / 1800 / 1900    
3G HSDPA 850 / 900 / 1900 / 2100 - Global, HSDPA 850 / 900 / 2100 - India    
4G LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300)    
SIM 1 -    
SIM 2 -    
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps    
GPRS YES    
EDGE YES    
WLAN Wi-Fi 802.11 a/b/g/n/ac, Dual-band, WiFi Direct, Hotspot    
Bluetooth 4.0, A2DP, EDR    
GPS Yes, with A-GPS, GLONASS    
NFC NO    
Infrared NO    
Radio YES    
USB USB 2.0    
Camera Description
Primary 13 MP, f/2.0, AutoFocus, Dual-LED    
Features Back Light (HDR) Mode, Low Light Mode, Manual Mode, Photo Effect Mode, Selfie Mode, Time Lapse Mode, Panorama Mode    
Video Recording YES    
Secondary 8 MP, Fix Focus, Night Mode    
Frame Rate 30 fps    
Storage
RAM Size 3 GB    
Internal 32 GB    
Expandable Storage up-to 1 TB    
Card slot microSD    
Operating System
Operating System Android v7.0.0 Nougat    
Processor
Processor Brand Mediatek MT6750    
Processor Speed 1.5 GHz    
Core Octa Core    
GPU Mali-T860MP2    
Operating Frequency GSM - 850 / 900 / 1800 / 1900 MHz Bands (5 / 8 / 3 / 2); WCDMA - Bands (1 / 2 / 5 / 8); TD-SCDMA - Bands (34 / 39); 4G LTE (FDD) - Bands (1 / 3 / 5 / 7), LTE (TDD) - Bands (38 / 39 / 40 / 41)    
Sensors
Sensors Accelerator, E-Compass, Gyroscope, Proximity sensor, Ambient light sensor, Fingerprint    
Multimedia & Sound
Audio Formats MP3, M4A, WAV, AMR, WMA, OGG, AAC, MID    
Video Formats MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM    
Alert Types Vibration; MP3, Wav Ringtones    
Loudspeaker YES    
3.5mm jack YES    
Battery
Battery Capacity 5000 mAh    
Battery Type Li-Po    
Removable Battery NO    
Fast battery charging NO    
Battery Backup -    
Other Features
Fingerprint Sensor YES    
Java NO    
Messaging YES, SMS, MMS    
Browse Type HTML5    
Others -    
Dimension & Weight
Width 73.7 mm    
Height 149.5 mm    
Depth 8.85 mm    
Weight 175 G