Apple Watch 40mm Series 4 vs Sharp Aquos R2 compact

Apple Watch 40mm Series 4

Sharp Aquos R2 compact

Design
Build

Stainless Steel frame; all-ceramic/sapphire crystal back

Front glass, aluminum frame, plastic back
SIM

Electronic SIM card (Apple e-SIM)

Nano-SIM
Height

40 mm

131 mm
Width

34 mm

64 mm
Thickness

10.7 mm

9.3 mm
Weight

40 g

135 g
Waterproof

50m

IP68, 1.5m and 30 minutes
Dust proof

-

IP68
Colors

Black, Gold, Silver

Black, Green, White

Display
Display type

LTPO AMOLED

IGZO IPS capacitive touchscreen
Physical size

1.57 inches

5.2 inches
Resolution

394 x 324 pixels

1080 x 2280 pixels
Pixel density

326 ppi

485 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

120 Hz, HDR10, DCI-P3

Main camera
Primary camera

No

-
Main camera

22.6 MP, f/1.9 , 22 mm
Primary camera resolution

-

5488 x 4112 pixels
Primary camera video

-

2160p@30fps, 1080p@30fps
Primary camera flash

-

LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

-

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

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

No

Type-C 1.0 reversible connector (PowerDelivery 2.0)
Bluetooth

v5.0

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

Yes
QZSS

Yes

Yes