Blackview BV6900 vs Oppo A57s

Blackview BV6900

Oppo A57s

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

HSDPA 850, 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, 3, 5, 7, 8, 20, 28, 38, 40, 41
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Panda Glass), plastic frame, plastic back
SIM

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

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

164.45 mm

163.8 mm
Width

81.4 mm

75 mm
Thickness

15 mm

8 mm
Weight

284 g

187 g
Waterproof

Yes, IP68, IP69

IPX4
Dust proof

Yes, IP68, IP69

IP5X
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange

Black, Blue

Main camera
Camera type

Quad

Dual
Main camera

16 MP, f/2.0

50 MP, f/1.8 , (wide) , 27 mm, 0.64 µm
8 MP, f/2.2

2 MP, f/2.4 , (depth)
0.3 MP, f/2.8
0.3 MP, f/2.8
Primary camera resolution

4608 x 3456 pixels

-
Primary camera video

2160p@30fps

1080p@30fps
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

HDR, Panorama

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes