Blackview BV4900S vs Microsoft Surface Duo 2

Blackview BV4900S

Microsoft Surface Duo 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71
5G network

-

5G band 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79 SA/NSA/Sub6 - global; 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77, 78, 79, 257, 260, 261 SA/NSA/Sub6/mmWave - USA
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-A (5CA) Cat20, 2000 Mbps download, 150 Mbps upload
5G speed

-

6 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate, rubber, silicone

Glass front (Gorilla Glass Victus), glass back (Gorilla Glass)
SIM

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

Nano-SIM, eSIM
Height

157.5 mm

145.2 mm
Width

78.1 mm

93.1 mm
Thickness

13.7 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

261 g

284 g
Stylus

-

Yes
Waterproof

IP68

-
Dust proof

IP68

-
MIL-STD-810G

Yes

-
Colors

Black, Green, Orange, Yellow

Glacier, Obsidian

Display
Display type

IPS TFT

AMOLED capacitive touchscreen
Physical size

5.7 inches

8.3 inches
Resolution

720 x 1440 pixels

1892 x 2588 pixels
Pixel density

282 ppi

401 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Asahi Dragontrail glass

Corning Gorilla Glass Victus
Display features

-

90Hz, HDR, 800 nits (peak)
Cover display

-

AMOLED capacitive touchscreen
Cover display physical size

-

5.8 inches
Cover display resolution

-

1344 x 1892 pixels

Main camera
Camera type

Single

Triple
Main camera

8 MP, f/2.4

12 MP, f/1.7 , (wide) , 27 mm, 1.4 µm
(telephoto) , 12 MP, f/2.4 , 51 mm, 1.0 µm, 2x optical zoom
(ultrawide) , 13 MP, f/2.2 , 1.0 µm
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
Primary camera 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, macro-mode, phase detection autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

5 MP, f/2.2 , 1/4" , 1.4 µm

12 MP, f/2.0 , 1.0 µm, (wide) , 24 mm
Selfie camera resolution

2560 x 1920 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, 802.11ax
WLAN WiFi Hotspot

Yes

Wi-Fi hotspot
WLAN WiFi Direct

-

Wi-Fi direct
WLAN WiFi Dual Band

-

Dual-band
USB

microUSB 2.0

Type-C 3.2, DisplayPort
USB On-The-Go

Yes

-
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

-

LE
Bluetooth AptX

-

aptX Adaptive
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

Yes

-
BDS

Yes

-

Features
Sensors

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

Dual accelerometer, dual compass, fingerprint, dual gyroscope, dual proximity