Microsoft Lumia 540 Dual SIM vs Xiaomi Redmi 4 (4X)

Microsoft Lumia 540 Dual SIM

Xiaomi Redmi 4 (4X)

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; GSM 900, 1800 - India
3G network

HSDPA 900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA - China; HSDPA 900, 2100 - India
4G network

-

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE-A speed

-

LTE-A, (2CA) Cat6, 300 Mbps download, 100 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

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

144 mm

139.2 mm
Width

73.7 mm

70 mm
Thickness

8.6 mm

8.7 mm
Weight

152 g

150 g
Colors

Orange, black, blue, gray, white

Black, Gold

Main camera
Main camera

8 MP

13 MP, f/2.0
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

480p@30fps

1080p@30fps
Primary camera Autofocus

autofocus

phase detection autofocus
Primary camera flash

LED flash

LED flash
Camera features

1/4'' sensor size, geo-tagging

Geo-tagging, HDR, face/smile detection, panorama, touch focus

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

Push Email

-
Messaging Push Mail

-

Push Mail
Java

No

No
Sensors

Accelerometer, proximity

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity