Apple Watch Series 3 vs Samsung Galaxy A40

Apple Watch Series 3

Samsung Galaxy A40

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100, 800 - Europe, Australia; HSDPA 850, 1700(AWS), 1900, 800 - USA, LATAM, Canada; HSDPA 2100 - China

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850) - Europe, Australia; LTE frequency band 2(1900), 4(1700/2100), 5(850), 12(700), 13(700), 17(700), 18(800), 19(800), 25(1900), 26(850), 41(2500) - USA, LATAM, Canada; LTE frequency band 1(2100), 3(1800), 39(1900), 40(2300), 41(2500) - China

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
LTE speed

LTE

LTE-A (2CA), Cat12, 600 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Stainless Steel/Ceramic back

Plastic
SIM

Electronic SIM card (Apple e-SIM)

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

42.5 mm

144.4 mm
Width

36.4 mm

69.2 mm
Thickness

11.4 mm

7.9 mm
Weight

52.8 g

140 g
Waterproof

50m

-
Colors

Silver, Space Black

Black, Blue, Coral, White

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

1.65 inches

5.9 inches
Resolution

390 x 312 pixels

1080 x 2340 pixels
Pixel density

303 ppi

437 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

-
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

Always-on display, HDR10

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

Type-C 1.0 reversible connector
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Java

No

-
Sensors

Accelerometer, barometer, gyro, heart rate

Accelerometer, compass, fingerprint, gyro, proximity

Main camera
Camera type

-

Dual
Main camera

16 MP, f/1.7
5 MP, f/2.2
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

-

2160p@30fps
Primary camera flash

-

LED flash
Camera features

-

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