Xiaomi Redmi 4X vs vivo Y15S

Xiaomi Redmi 4X

vivo Y15S

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMA

HSDPA 900, 2100
4G network

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

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE-A speed

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

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
SIM

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

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

139.2 mm

131.4 mm
Width

70 mm

66.2 mm
Thickness

8.7 mm

9 mm
Weight

150 g

130 g
Colors

Champagne Gold, Cherry Pink, Mate Black

Black, White

Main camera
Main camera

13 MP, f/2.0

5 MP
Primary camera resolution

-

2592 х 1944 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

phase detection autofocus

autofocus
Primary camera flash

LED flash

LED flash
Camera features

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

Geo-tagging, HDR, 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 Mail

Push Mail

Push Mail
Java

No

No
Sensors

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

Accelerometer, compass, proximity