Meizu 21 vs Motorola Razr 40

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66 - global version; 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - North America
5G network

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

5G band 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - global version; 1, 2, 3, 5, 7, 12, 14, 20, 25, 26, 28, 29, 30, 41, 48, 66, 70, 71, 77, 78 SA/NSA/Sub6 - North America
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

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Plastic front (opened), plastic front (closed), plastic back, aluminum frame (7000 series), hinge (stainless steel)
SIM

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

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

156.7 mm

88.2 mm
Width

75.3 mm

74 mm
Thickness

7.9 mm

15.8 mm
Height unfolded

-

170.8 mm
Width unfolded

-

74 mm
Thickness unfolded

-

7.4 mm
Weight

198 g

188.6 g
Waterproof

IP54

Water-repellent coating
Dust proof

IP54

-
Colors

Black, Green, Purple, White

Grape Compote, Sage Green, Summer Lilac, Vanilla Cream

Display
Display type

AMOLED

Foldable LTPO AMOLED
Physical size

6.55 inches

6.9 inches
Resolution

1080 x 2340 pixels

1080 x 2460 pixels
Pixel density

393 ppi

413 ppi
Display colors

1073741824

1073741824
Protection

Scratch resistant, 2.5D curved glass screen

-
Display features

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

144Hz, HDR10+, 1400 nits (peak)
Additional display

-

AMOLED
Resolution of additional display

-

194 x 368 pixels
Size of additional display

-

1.5 inches

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.3 GHz Cortex-X4

Single-core 2.4 GHz Cortex-A710
CPU(second)

Penta-core 3.2 GHz Cortex-A720

Triple-core 2.36 GHz Cortex-A710
CPU(third)

Dual-core 2.3 GHz Cortex-A520

Quad-core 1.8 GHz Cortex-A510
Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3

Qualcomm SM7450-AB Snapdragon 7 Gen 1
GPU

Adreno 740

Adreno 644
Memory RAM

8, 12 GB

8, 12 GB
Internal storage

256, 512 GB

128, 256 GB
Memory card

No

No
Storage

UFS 4.0

UFS 2.2

Main camera
Camera type

Triple

Dual
Main camera

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

(wide) , 64 MP, f/1.7 , 0.7 µm
(ultrawide) , 13 MP, f/2.4 , 122˚ , 15 mm

(ultrawide) , 13 MP, f/2.2 , 120˚ , 1/1.3" , 1.12 µm
(wide) , 5 MP, f/2.4 , 27 mm
Primary camera resolution

-

9280 x 6920 pixels
Primary camera video

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

4K@30fps, 1080p@30/60fps, 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, digital image stabilization, optical image stabilization, geotagging, panorama, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus, RAW, night vision

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 32 MP, f/2.4

(wide) , 32 MP, f/2.4 , 0.7 µm
Selfie camera features

Face unlock, face detection, HDR

Face unlock, face detection, HDR
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30/60fps

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, 802.11ax
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

-
Bluetooth

v5.4

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

-

Yes
Infrared

Yes

-
NFC

Yes

Yes
GPS

Yes, with dual-band A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer (USA only), compass, fingerprint, gyroscope, proximity