Apple Watch 40mm Series 4 vs Blackview BV9900E

Apple Watch 40mm Series 4

Blackview BV9900E

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA

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

LTE

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Stainless Steel frame; all-ceramic/sapphire crystal back

Metal, polycarbonate, TPU
SIM

Electronic SIM card (Apple e-SIM)

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

40 mm

156.5 mm
Width

34 mm

78.3 mm
Thickness

10.7 mm

14.2 mm
Weight

40 g

264 g
Waterproof

50m

IP68/IP69K
Dust proof

-

IP68/IP69K
MIL-STD-810G

-

Yes
Colors

Black, Gold, Silver

Black

Main camera
Camera type

-

Quad
Primary camera

No

-
Main camera

48 MP, f/1.75 , 1/2" , 0.8 µm
16 MP, 120˚ , 1/3.1" , 1.0 µm
2 MP, 1.75 µm
0.3 MP
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

2160p@30fps
Primary camera flash

-

dual-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, macro-mode, phade detection autofocus, night 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
WLAN WiFi Dual Band

-

Yes
USB

No

Type-C 2.0
USB On-The-Go

-

Yes
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
BDS

-

Yes
QZSS

Yes

-

Features
Sensors

Accelerometer, barometer, gyro (second gen), heart rate

Altimer, accelerometer, barometer, compass, fingerprint, geomagnetic, gyroscope, heart rate, humidity, light, magnetometer, pedometer, proximity, thermometer