BLU Vivo XI vs Microsoft Surface Duo 2

BLU Vivo XI

Microsoft Surface Duo 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 28(700), 66(1700/2100)

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

11 Mbps

5.76 Mbps
LTE speed

LTE, Cat6, 301 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

Aluminium alloy, plastic

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

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

Nano-SIM, eSIM
Height

149 mm

145.2 mm
Width

72.9 mm

93.1 mm
Thickness

7.9 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

187 g

284 g
Stylus

-

Yes
Colors

Black, Silver

Glacier, Obsidian

Main camera
Camera type

Dual

Triple
Main camera

16 MP, f/2.0 , 1/3" , 1.10 µm

12 MP, f/1.7 , 1.4 µm, (wide) , 27 mm
5 MP, 1/5" , 1.12 µm

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

4608 x 3456 pixels

-
Primary camera video

1080p@30fps

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR
Primary camera flash

LED flash

-
Primary camera phase detection autofocus

phase detection autofocus

-
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
Selfie camera

16 MP, f/2.0 , 1/3" , 1.10 µm

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

4608 x 3456 pixels

-
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes

Wi-Fi direct
WLAN WiFi Dual Band

Yes

Dual-band
USB

microUSB 2.0

Type-C 3.2, DisplayPort
Bluetooth

v4.1

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

-

LE
Bluetooth AptX

-

aptX Adaptive
GPS

Yes, with A-GPS

Yes, with A-GPS