Microsoft Surface Duo vs vivo Y81

Microsoft Surface Duo

vivo Y81

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 2100
4G network

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE-A (CA) Cat18, 1200 Mbps download, 100 Mbps upload

LTE, Cat7, 301 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)

Aluminium alloy, plastic
SIM

Nano-SIM, eSIM

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

145.2 mm

155 mm
Width

93.3 mm

75 mm
Thickness

9.9 mm

7.77 mm
Height unfolded

186.9 mm

-
Width unfolded

145.2 mm

-
Thickness unfolded

4.8 mm

-
Weight

250 g

146 g
Stylus

Yes

-
Colors

White

Black

Main camera
Camera type

Single

-
Main camera

11 MP, f/2.0 , 23 mm, 1.0 µm

13 MP, f/2.2
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

4K@30/60fps, 1080p@30/60fps, gyro-EIS

1080p@30fps
Primary camera flash

-

LED flash
Camera features

-

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

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C reversible connector

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth AptX

aptX Adaptive

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes