Meizu 15 vs vivo Y51s

Network
2G network

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

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

HSDPA 850, 900, 1900, 2100

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

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500); LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500); 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, 3, 4, 5, 8, 34, 38, 39, 40, 41
5G network

-

5G band 1, 41, 78; SA/NSA
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
HSPA speed

HSPA

-
LTE speed

LTE

LTE Cat 4, 150.8 Mbps download, 51 Mbps upload
5G speed

-

3.6+ Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Metal

Plastic
SIM

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

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

143 mm

162 mm
Width

72 mm

76.6 mm
Thickness

7.3 mm

8.5 mm
Weight

152 g

190 g
Colors

Indigo, Ink, White, Yakin

Black, Blue, White

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

5.46 inches

6.53 inches
Resolution

1080 x 1920 pixels

1080 x 2340 pixels
Pixel density

403 ppi

395 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

-
Multitouch

Yes

-

Main camera
Camera type

Dual

Triple
Main camera

12 MP, f/1.8 , 1/2.3" , 1.55 µm, 2x optical zoom

48 MP, f/1.8 , 1/2.0" , 0.8 µm, 25 mm
20 MP, 1/2.8" , 1 µm

2 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

4032 x 3024 pixels

8000 x 6000 pixels
Primary camera video

2160p@30fps, 1080p

4K@30fps, 1080p@30fps; gyro-EIS
Primary camera Autofocus

dual pixel phase and laser detection autofocus

-
Primary camera flash

six-LED dual-tone flash

LED flash
Primary camera optical image stabilization

4-axis optical image stabilization

-
Camera features

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

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, macro-mode, phase detection autofocus, RAW

Connectivity
WLAN

Wi-Fi 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
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
GALILEO

-

Yes
BDS

Yes

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Email

Push Email

-
Sensors

Fingerprint (front-mounted), accelerometer, compass, gyro, proximity

Accelerometer, compass, gyroscope, proximity