Huawei Watch 2 2018 vs Samsung Galaxy A51

Huawei Watch 2 2018

Samsung Galaxy A51

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 39(1900), 41(2500)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
LTE speed

LTE

LTE, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Front glass, plastic body
SIM

Nano-SIM or e-SIM or SIM-less

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

48.9 mm

158.5 mm
Width

45 mm

73.6 mm
Thickness

12.6 mm

7.9 mm
Weight

57 g

172 g
Waterproof

IP68, 1.5m and 30 minutes

-
Dust proof

IP68

-
Colors

Carbon Black, Concrete Grey, Dynamic Orange

Black, Blue, Pink, White

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

1.2 inches

6.5 inches
Resolution

390 x 390 pixels

1080 x 2400 pixels
Pixel density

326 ppi

405 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

Scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes

Yes

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.1

v5.0
Bluetooth A2DP

-

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Sensors

Accelerometer, barometer, compass, gyro, heart rate

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor

Main camera
Camera type

-

Quad
Main camera

48 MP, f/2.0 , 26 mm, 1/2" , 0.8 µm
12 MP, f/2.2 , 13 mm, 1.12 µm
5 MP, f/2.4 , 40 mm
5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

2160p@30fps, 1080p@30/60/120fps
Primary camera flash

-

LED flash
Camera features

-

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus