Asus Zenfone 3s Max ZC521TL vs Vertex Impress Grip

Asus Zenfone 3s Max ZC521TL

Vertex Impress Grip

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100 - Global; HSDPA 850, 900, 2100 - India

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 41(2500) - Taiwan; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300) - India

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Main camera

13 MP, f/2.0

13 MP
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

1080p@30fps

720p@30fps
Primary camera Autofocus

autofocus

-
Primary camera flash

dual-LED (dual tone) flash

LED flash
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, exposure compensation, self-timer, scene mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.0

v4.0
Bluetooth A2DP

Yes

Yes
Bluetooth EDR

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
BDS

Yes

-

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity

Accelerometr, compass, light, proximity
Power bank function

Yes

-