Blackview BV9900 Pro vs Prestigio Grace 3878 4G

Blackview BV9900 Pro

Prestigio Grace 3878 4G

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 3(1800), 7(2600), 18(800)
HSDPA speed

-

42 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 Cat 4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Quad

Single
Main camera

48 MP, f/1.75 , 1/2" , 1.6 µm

2 MP
5 MP, 1/5" , 1.12 µm
2 MP, 1/5" , 1.75 µm
Primary camera resolution

8000 x 6000 pixels

1600 x 1200 pixels
Primary camera video

2160p@30fps

720p@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, phase detection autofocus, night mode

Digital zoom, panorama, HDR, face detection, 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

-
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

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
Beidou

Yes

-

Features
Sensors

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

Accelerometer, proximity