Fairphone 4 vs Meizu 21

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

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

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6

5G band 1, 3, 5, 8, 28, 38, 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
LTE speed

LTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps upload

LTE-A
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back, plastic frame

Aluminium alloy, glass
SIM

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

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

162 mm

156.7 mm
Width

75.5 mm

75.3 mm
Thickness

10.5 mm

7.9 mm
Weight

225 g

198 g
Waterproof

IP54

IP54
Dust proof

IP54

IP54
MIL-STD-810G

Yes

-
Colors

Gray, Green, Speckled Green

Black, Green, Purple, White

Display
Display type

IPS LCD

AMOLED
Physical size

6.3 inches

6.55 inches
Resolution

1080 x 2340 pixels

1080 x 2340 pixels
Pixel density

409 ppi

393 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen
Display features

-

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

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 570

Single-core 3.3 GHz Cortex-X4
CPU(second)

Hexa-core 1.8 GHz Kryo 570

Penta-core 3.2 GHz Cortex-A720
CPU(third)

Dual-core 2.3 GHz Cortex-A520
Chipset

Qualcomm SM7225 Snapdragon 750G 5G

Qualcomm SM8650-AB Snapdragon 8 Gen 3
GPU

Adreno 619

Adreno 740
Memory RAM

6, 8 GB

8, 12 GB
Internal storage

128, 256 GB

256, 512 GB
Memory card

microSD, microSDHC, microSDXC

No
Memory card max

2 TB

-
Storage

-

UFS 4.0

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom

(wide) , 200 MP, f/1.7 , 22 mm
(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm

(ultrawide) , 13 MP, f/2.4 , 122˚ , 15 mm
TOF 3D

(wide) , 5 MP, f/2.4 , 27 mm
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

4K@30fps, 1080p@30/60fps, gyro-EIS

8K, 4K, 1080p; gyro-EIS
Primary camera flash

dual-LED dual-tone flash

Ring-LED flash
Camera features

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

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 25 MP, f/2.2 , 1/2.78" , 0.9 µm

(wide) , 32 MP, f/2.4
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

Face unlock, face detection, HDR
Selfie camera video

1080p@30fps, gyro-EIS

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, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 3.0, DisplayPort

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v5.4
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

-

Yes
NavIC

-

Yes