Meizu 21 vs vivo iQOO Z3

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 2100

HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x
4G network

LTE frequency band 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA

5G band 1, 28, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A

LTE-A, 1200 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Aluminium alloy, glass
SIM

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

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

156.7 mm

164 mm
Width

75.3 mm

75.3 mm
Thickness

7.9 mm

8.5 mm
Weight

198 g

185.5 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Green, Purple, White

Black, Blue, Silver

Display
Display type

AMOLED

IPS LCD
Physical size

6.55 inches

6.58 inches
Resolution

1080 x 2340 pixels

1080 x 2408 pixels
Pixel density

393 ppi

401 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant
Display features

120Hz, HDR10+, 600 nits (typ), 1100 nits (HBM), 1800 nits (peak)

HDR10, 120Hz

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.3 GHz Cortex-X4

Single-core 2.8 GHz Kryo 475 Prime
CPU(second)

Penta-core 3.2 GHz Cortex-A720

Single-core 2.4 GHz Kryo 475 Gold
CPU(third)

Dual-core 2.3 GHz Cortex-A520

Hexa-core 1.80 GHz Kryo 475 Silver
Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SDM768 Snapdragon 768G 5G
GPU

Adreno 740

Adreno 620
Memory RAM

8, 12 GB

6, 8 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

microSD, microSDHC, microSDXC
Memory card max

-

1 TB
Storage

UFS 4.0

UFS 2.2

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 200 MP, f/1.7 , 22 mm

(wide) , 64 MP, f/1.8 , 26 mm, 1/1.7x" , 0.8 µm
(ultrawide) , 13 MP, f/2.4 , 122˚ , 15 mm

(ultrawide) , 8 MP, f/2.2 , 120˚ , 16 mm, 1/4.0" , 1.12 µm
(wide) , 5 MP, f/2.4 , 27 mm

(macro) , 2 MP, f/2.4
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

8K, 4K, 1080p; gyro-EIS

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

Ring-LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical 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, laser autofocus, DarkVision, pure fusion, live photo, super night view 5.0

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

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be

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 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.4

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-