TP-LINK Neffos X9 vs Xiaomi Redmi 4a

TP-LINK Neffos X9

Xiaomi Redmi 4a

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700/2100, 1900, 2100

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

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800)

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

42 Mbps

-
HSUPA speed

11.5 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE Cat4, 150.8 Mbps download, 51 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Main camera
Camera type

Dual

-
Main camera

13 MP, f/2 , 26 mm

13 MP, f/2.2
5 MP
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

1080p@30fps
Primary camera Autofocus

-

autofocus
Primary camera flash

dual LED 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, phase detection

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.1

v4.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

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, gyroscope, proximity, light

Accelerometer, compass, gyro, proximity