Meizu X8 vs Samsung Galaxy A51

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 34(2000), 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), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A, Cat15, 800 Mbps download, 150 Mbps upload

LTE, Cat12, 603 Mbps download, 102 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal

Front glass, plastic body
SIM

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

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

151.2 mm

158.5 mm
Width

74.6 mm

73.6 mm
Thickness

7.8 mm

7.9 mm
Weight

160 g

172 g
Colors

Black, Blue, White

Black, Blue, Pink, White

Display
Display type

IPS

Super AMOLED capacitive touchscreen
Physical size

6.2 inches

6.5 inches
Resolution

1080 x 2220 pixels

1080 x 2400 pixels
Pixel density

398 ppi

405 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, Corning Gorilla Glass 3
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Quad
Main camera

12 MP, f/1.9 , 1/2.55" , 1.4 µm

48 MP, f/2.0 , 1/2" , 0.8 µm, 26 mm
5 MP

12 MP, f/2.2 , 13 mm, 1.12 µm
5 MP, f/2.4 , 40 mm
5 MP, f/2.2 , 1/5.0" , 1.12 µm
Primary camera resolution

4000 x 3000 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/60/120fps
Primary camera flash

dual-LED dual-tone flash

LED flash
Primary camera phase detection autofocus

dual pixel phase detection autofocus

-
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

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

Selfie camera
Selfie camera

20 MP, f/2.0 , 1/2.78" , 1.0 µm

32 MP, f/2.2 , 1/2.8" , 0.8 µm, 26 mm
Selfie camera resolution

5120 x 3840 pixels

6560 x 4928 pixels
Selfie camera video

1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 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
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyro, hall, light, proximity

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor