Blackview BV4900S vs Samsung Galaxy A51

Blackview BV4900S

Samsung Galaxy A51

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
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, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, rubber, silicone

Front glass, plastic body
SIM

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

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

157.5 mm

158.5 mm
Width

78.1 mm

73.6 mm
Thickness

13.7 mm

7.9 mm
Weight

261 g

172 g
Waterproof

IP68

-
Dust proof

IP68

-
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange, Yellow

Black, Blue, Pink, White

Display
Display type

IPS TFT

Super AMOLED capacitive touchscreen
Physical size

5.7 inches

6.5 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

282 ppi

405 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Asahi Dragontrail glass

Scratch resistant, Corning Gorilla Glass 3
Multitouch

-

Yes

Main camera
Camera type

Single

Quad
Main camera

8 MP, f/2.4

48 MP, f/2.0 , 26 mm, 1/2" , 0.8 µm
12 MP, f/2.2 , 13 mm, 1.12 µm
5 MP, f/2.4 , 40 mm
5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

3264 x 2448 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/60/120fps
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

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

-
Selfie camera

5 MP, f/2.2 , 1/4" , 1.4 µm

32 MP, f/2.2 , 1/2.8" , 0.8 µm, 26 mm
Selfie camera resolution

2560 x 1920 pixels

6560 x 4928 pixels
Selfie camera features

Face unlock

-
Selfie camera video

720p@30fps

1080p@30fps

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
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.0
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

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor