Apple Watch 40mm Series 5 (LTE) vs Asus Zenfone 4 Pro ZS551KL

Apple Watch 40mm Series 5 (LTE)

Asus Zenfone 4 Pro ZS551KL

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 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), 20(800), 25(1900), 26(850), 39(1900), 40(2300), 41(2500), 66(1700/2100) - global version

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 19(800), 20(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Global, Taiwan; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 41(2500) - US, Canada, Brazil; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - India
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE-A speed

-

LTE-A, (3CA) Cat12, 600 Mbps download, 150 Mbps upload
GPRS

-

Yes
EDGE

-

Yes

Display
Display type

LTPO OLED capacitive touchscreen

AMOLED capacitive touchscreen
Physical size

1.57 inches

5.5 inches
Resolution

394 x 324 pixels

1080 x 1920 pixels
Pixel density

326 ppi

401 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

Corning Gorilla Glass 5
Multitouch

-

Yes, max 10 fingers
Display features

3D Touch display, 1000 nits max brightness, always-on display

-

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
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

No

Type-C reversible connector
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

-

Yes
Bluetooth AptX

-

Yes
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

-

Yes
QZSS

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, barometer, compass, gyroscope, heart rate

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

Main camera
Camera type

-

Dual
Main camera

12 MP, f/1.7 , 25 mm, 2x optical zoom
16 MP, 50 mm
Primary camera video

-

2160p@30fps, 1080p@30/60fps, 1080p@120fps, 720p@240fps
Primary camera Autofocus

-

laser/phase detection autofocus
Primary camera flash

-

LED flash
Primary camera optical image stabilization

-

4-axis optical image stabilization
Camera features

-

25mm (1/2.55" sensor size, 1.4 µm pixel size), 50mm (1/3.1" sensor size, 1.0 µm pixel size), geo-tagging, touch focus, face detection, HDR, panorama