Infinix S4 vs Xiaomi Mi Mix 2

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA
3G network

WCDMA 850, 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1800, 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 38(2600), 40(2300), 41(2500)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 27(800), 28(700), 29(700), 30(2300), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42 Mbps

-
HSUPA speed

11.5 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE Cat 6, 301.5 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Triple

-
Main camera

13 MP, f/1.9 , 1.12 µm

12 MP
8 MP, f/2.4
2 MP, f/2.8
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30fps, 720p@120fps
Primary camera flash

Quad LED flash

dual-LED (dual tone) flash
Primary camera optical image stabilization

-

OIS (4-axis)
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection

1.25 µm pixel size, 1/2.9" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

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, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

microUSB 2.0

Type-C reversible connector
USB On-The-Go

Yes

-
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
NFC

-

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, proximity, light, compass, gyroscope, fingerprint

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