Blackview BV6900 vs Prestigio Grace 7781 4G

Blackview BV6900

Prestigio Grace 7781 4G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
HSDPA speed

-

42 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Plastic
SIM

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

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

164.45 mm

170 mm
Width

81.4 mm

243 mm
Thickness

15 mm

11 mm
Weight

284 g

530 g
Waterproof

Yes, IP68, IP69

-
Dust proof

Yes, IP68, IP69

-
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange

Black

Main camera
Camera type

Quad

-
Main camera

16 MP, f/2.0

5 MP
8 MP, f/2.2
0.3 MP, f/2.8
0.3 MP, f/2.8
Primary camera resolution

4608 x 3456 pixels

2592 x 1944 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

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

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

v4.2

v4.0
Bluetooth A2DP

Yes

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
Beidou

Yes

-