Blackview BV9900 Pro vs Oukitel C31 Pro

Blackview BV9900 Pro

Oukitel C31 Pro

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(850), 19(850), 20(800), 25(1900), 26(850), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700)

LTE frequency band 1, 3, 7, 8, 19, 20
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE, Cat6, 301 Mbps download, 51 Mbps upload

LTE, 301 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, polycarbonate, TPU

Plastic
SIM

Dual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)

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

156.5 mm

165.2 mm
Width

78.3 mm

77.67 mm
Thickness

14.2 mm

9.5 mm
Weight

264 g

212 g
Waterproof

Yes, IP68, IP69K

-
Dust proof

Yes, IP68, IP69K

-
MIL-STD-810G

Yes

-
Colors

Black

Black, Blue, Purple

Main camera
Camera type

Quad

Triple
Main camera

48 MP, f/1.75 , 1/2" , 1.6 µm

13 MP, f/2.2 , 1/3"
(macro) , 0.3 MP, f/2.8 , 1/10"
5 MP, 1/5" , 1.12 µm

0.3 MP, 1/10" , (depth) , f/2.8
2 MP, 1/5" , 1.75 µm
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

2160p@30fps

1080p@30fps
Primary camera flash

dual-LED 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, phase detection autofocus, night mode

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
BDS

-

Yes

Features
Sensors

Accelerometer, altimeter, barometer, compass, fingerprint, geomagnetic, gyroscope, heart rate, humidity, light, magnetometer, pedometer, proximity, thermometr, UV meter

Accelerometer, fingerprint, gyroscope, light, proximity