Blackview BV4900S vs vivo Y20s

Blackview BV4900S

vivo Y20s

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 3, 7, 8, 20, 40

LTE frequency band 1, 3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41; 1, 3, 5, 7, 8, 38, 40, 41
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, 391 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, rubber, silicone

Glass front, plastic back, plastic frame
SIM

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

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

157.5 mm

164.4 mm
Width

78.1 mm

76.3 mm
Thickness

13.7 mm

8.4 mm
Weight

261 g

192.3 g
Waterproof

IP68

-
Dust proof

IP68

-
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange, Yellow

Black, Blue

OS
OS

Doke OS 2.0 (Android 11 Go Edition)

Android 10, Funtouch 10.5 or Funtouch 11

Main camera
Camera type

Single

Triple
Main camera

8 MP, f/2.4

13 MP, f/2.2 , (wide)
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes