Sony Xperia XZs vs Xiaomi Redmi K20

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700, 1900, 2100, TD-SCDMA 1900, 2000
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 19(800), 20(800), 26(850), 28(700), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE-A speed

LTE-A, Cat9, 450 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Aluminium alloy, glass
SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

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

146 mm

156.7 mm
Width

72 mm

74.3 mm
Thickness

8.1 mm

8.8 mm
Weight

161 g

191 g
Waterproof

IP68 - 1.5 m and 30 minutes

-
Dust proof

IP68

-
Colors

Yes

Black, Blue, Red

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

5.2 inches

6.39 inches
Resolution

1080 x 1920 pixels

1080 x 2340 pixels
Pixel density

424 ppi

403 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6
Multitouch

Yes, max 10 fingers

Yes
Display features

-

HDR 10, Always-On display

Main camera
Camera type

-

Triple
Main camera

19 MP

48 MP, f/1.8 , 26 mm, 1/2" , 0.8 µm, 2x optical zoom
8 MP, f/2.4 , 53 mm, 1/4" , 1.12 µm
13 MP, f/2.4 , 12 mm, 1/3" , 0.8 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

2160p@30fps, 720p@960fps

2160p@30fps, 1080p@960fps
Primary camera Autofocus

phase detection and laser autofocus

-
Primary camera flash

LED flash

dual LED flash
Primary camera image stabilization

electronic image stabilization(gyro)

-
Camera features

1/2.3" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

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

Yes
Bluetooth AptX

Yes

-
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Java

No

-
Sensors

Fingerprint (side-mounted), accelerometer, barometer, color spectrum, compass, gyro, proximity

Accelerometer, proximity, light, compass, in-display fingerprint, gyroscope, barometer, hall, step detector, step counter