Asus Zenfone Go ZB551KL vs vivo X9s Plus

Asus Zenfone Go ZB551KL

vivo X9s Plus

Network
2G network

GSM 850, 900, 1800, 1900

GSM 900, 1800
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800)

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

21.1 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

-
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

Dual SIM (Micro-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

151 mm

162.6 mm
Width

76.9 mm

78.9 mm
Thickness

10.7 mm

7.3 mm
Weight

160 g

183.2 g
Colors

Charcoal Black, Floral Pink, Glacier Gray, Glamour Red, Lake Blue, Pearl White, Sheer Gold, Silver Blue

Black, Gold, Rose Gold

Main camera
Main camera

13 MP, f/2.0

16 MP
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

phase detection autofocus
Primary camera flash

dual-LED (dual tone) flash

LED flash
Camera features

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

1/2.8" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB host

-

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
BDS

Yes

-

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

-
Messaging Push Email

Push Email

Push Email
Java

No

No
Sensors

Accelerometer, proximity

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