DEXP Z455 vs Xiaomi Mi 4s

DEXP Z455

Xiaomi Mi 4s

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 900, 2100

HSDPA 850, 1900, 2100; TD-SCDMA
4G network

LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 18(800)

LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, Cat4, 150 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

-
SIM

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

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

146.5 mm

139.3 mm
Width

70 mm

70.8 mm
Thickness

10 mm

7.8 mm
Weight

180 g

133 g
Colors

Black, Gold

Black, Gold, Pink, White

Main camera
Camera type

Dual

-
Main camera

8 MP

13 MP, f/2.0
0.3 MP
Primary camera resolution

3264 x 2448 pixels

-
Primary camera video

1080p@30fps

1080p@30fps, 720p@120fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED

dual-LED (dual tone) 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

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C reversible connector
Bluetooth

v4.2

v4.1
Bluetooth A2DP

Yes

Yes
Infrared

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Mail

-

Push Mail
Java

-

No
Sensors

Accelerometer, compass, fingerprint, light, proximity

Fingerprint, accelerometer, compass, gyro, proximity