Blackview BV9900 vs Xiaomi Redmi 4X

Blackview BV9900

Xiaomi Redmi 4X

Network
2G network

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

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA
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(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
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-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal, polycarbonate, TPU

-
SIM

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

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

-

139.2 mm
Width

-

70 mm
Thickness

-

8.7 mm
Weight

-

150 g
Waterproof

Yes, IP68, IP69K

-
Dust proof

Yes, IP68, IP69K

-
MIL-STD-810G

Yes

-
Colors

Black

Champagne Gold, Cherry Pink, Mate Black

Main camera
Camera type

Quad

-
Main camera

48 MP, f/1.75 , 1/2" , 0.8 µm

13 MP, f/2.0
16 MP
5 MP
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

2160p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

dual-LED flash

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, night mode

Geo-tagging, HDR, face/smile detection, panorama, touch focus

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

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

Yes

-
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, altimeter, barometer, compass, fingerprint, geomagnetic, gyroscope, light, magnetometer, pedometer, proximity

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity