Lava Z3 vs Microsoft Surface Duo 2

Lava Z3

Microsoft Surface Duo 2

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1, 3, 5, 8, 40, 41

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, 50 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

Glass front, plastic back, plastic frame

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

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

Nano-SIM, eSIM
Height

164.5 mm

145.2 mm
Width

75.8 mm

93.1 mm
Thickness

8.9 mm

11 mm
Height unfolded

-

184.5 mm
Width unfolded

-

145.2 mm
Thickness unfolded

-

5.5 mm
Weight

192 g

284 g
Stylus

-

Yes
Colors

Blue, Cyan

Glacier, Obsidian

Main camera
Camera type

Dual

Triple
Main camera

(wide) , 8 MP, f/2.0 , 1.12 µm

(wide) , 12 MP, f/1.7 , 1.4 µm, 27 mm
QVGA

(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 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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11ac

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

-

Dual-band
USB

Type-C 2.0

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

Yes

-
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

A2DP
bluetooth LE

Yes

LE
Bluetooth AptX

-

aptX Adaptive
NFC

No

-
GPS

Yes, with A-GPS

Yes, with A-GPS