Sony Xperia X vs Xiaomi Mi 8

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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

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

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat6, 300 Mbps download, 50 Mbps upload

-
LTE-A speed

-

LTE-A, (4CA) Cat16, 1024 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Front/rear glass, aluminum frame (7000 series)
SIM

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

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

142.7 mm

154.9 mm
Width

69.4 mm

74.8 mm
Thickness

7.9 mm

7.6 mm
Weight

153 g

175 g
Colors

Graphite Black, Lime Gold, Rose Gold, White

Black, Blue, Gold, White

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

5.0 inches

6.21 inches
Resolution

1080 x 1920 pixels

1080 x 2248 pixels
Pixel density

441 ppi

402 ppi
Display colors

16777216

16777216
Protection

Scratch-resistant glass, oleophobic coating

Corning Gorilla Glass
Multitouch

Yes, max 10 fingers

Yes
Display features

-

HDR10 display

Hardware
CPU

-

Octa-core
CPU

Dual-core 1.8 GHz ARM Cortex-A72

Quad-core 2.8 GHz Kryo 385 Gold
CPU(second)

quad-core 1.4 GHz ARM Cortex-A53

quad-core 1.8 GHz Kryo 385 Silver
Chipset

Qualcomm MSM8956 Snapdragon 650

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 510

Adreno 630
Memory RAM

3 GB

6 GB
Internal storage

32, 64 GB

64, 128, 256 GB
Memory card

microSD
Memory card max

200 GB

-

Main camera
Camera type

-

Dual
Main camera

23 MP, f/2.0 , 24 mm

12 MP, f/1.8 , 1/2.55" , 1.4 µm, 2x optical zoom
12 MP, f/2.4 , 1/3.4" , 1 µm
Primary camera resolution

-

4032 x 3024 pixels
Primary camera video

1080p@30fps

2160p@60fps, 1080p@30/240fps
Primary camera Autofocus

-

dual pixel phase detection autofocus
Primary camera flash

LED flash

dual-LED flash
Primary camera optical image stabilization

-

4-axis OIS
Primary camera phase detection autofocus

phase detection autofocus

-
Camera features

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

Geo-tagging, HDR, face detection, panorama, touch focus
DxOMark photo

-

105
DxOMark video

-

88
DxOMark camera score

-

99

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
WLAN DLNA

Yes

Yes
USB

microUSB 2.0

Type-C reversible connector
USB host

Yes

-
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Messaging SMS

SMS(threaded view)

SMS(threaded view)
Messaging MMS

MMS

MMS
Messaging Email

Email

Email
Messaging IM

IM

IM
Messaging Push Email

Push Email

Push Email
Java

No

-
Sensors

Fingerprint, accelerometer, barometer, compass, gyro, proximity

Infrared face recognition, accelerometer, barometer, compass, fingerprint (rear-mounted), gyro, proximity