Assistant AS-5421 Surf vs Blackview BV5900

Assistant AS-5421 Surf

Blackview BV5900

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 900, 2100
4G network

-

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 18(800), 40(2300)
LTE speed

-

LTE Cat4, 150.8 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Polycarbonate, rubber, silicone
SIM

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

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

146 mm

159 mm
Width

73 mm

80 mm
Thickness

9.4 mm

15 mm
Weight

-

268 g
Waterproof

-

Yes, IP68, IP69
Dust proof

-

Yes, IP68, IP69
MIL-STD-810G

-

Yes
Colors

Blue, Gold, Black

Black

Main camera
Camera type

Single

Dual
Main camera

5 MP

13 MP, f/2.0
0.3 MP
Primary camera resolution

2592 x 1944 pixels

4160 x 3120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

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

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 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes