Apple Watch Series 3 vs Oppo K1

Apple Watch Series 3

Oppo K1

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 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), 4(1700/2100), 5(850), 7(2600), 8(900), 39(1900); LTE-TDD 1900, 2300, 2500, 2600 MHz
HSPA speed

HSPA

-
LTE speed

LTE

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

Yes

Yes
EDGE

Yes

Yes

Display
Display type

AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

1.65 inches

6.4 inches
Resolution

390 x 312 pixels

1080 x 2340 pixels
Pixel density

303 ppi

403 ppi
Display colors

16777216

16777216
Protection

Sapphire crystal glass

2.5D curved glass screen
Multitouch

Yes

Yes
Display features

3D Touch display, 1000 nits

-

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

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, gyroscope, light, proximity

Main camera
Camera type

-

Dual
Main camera

16 MP, f/1.7 , 1/2.8" , 1.12 µm
2 MP
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

-

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

-

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

-

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