Apple Watch SE 40mm vs Oppo A3

Apple Watch SE 40mm

Oppo A3

Network
2G network

N/A

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

N/A

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

N/A

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500); LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
LTE speed

-

LTE
GPRS

-

Yes
EDGE

-

Yes

Design
Build

Glass front, ceramic/sapphire crystal back, aluminum frame

Metal
SIM

No

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

40 mm

156 mm
Width

34 mm

75.3 mm
Thickness

10.4 mm

7.8 mm
Weight

30.5 g

159 g
Waterproof

50 m

-
Colors

Gray, Gold, Silver

Garnet Red, Knight Black, Soybean Meal, Stardust Silver

Display
Display type

Retina LTPO OLED

LTPS IPS LCD capacitive touchscreen
Physical size

1.57 inches

6.2 inches
Resolution

394 x 324 pixels

1080 x 2280 pixels
Pixel density

326 ppi

405 ppi
Display colors

16777216

16777216
Protection

Ion-X strengthened glass

2.5D curved glass screen; LTPS(Low Temperature PolySilicon)
Multitouch

-

Yes
Display features

1000 nits (peak), 3D Touch display

-

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

No

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Sensors

Accelerometer, always-on altimeter, barometer, compass, gyroscope, heart rate

Accelerometer, compass, gyro, proximity