Meizu 21 vs OnePlus Ace Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700(AWS), 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
5G network

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

5G band 1, 3, 5, 8, 20, 28, 38, 40, 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, 1174 Mbps download, 211 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

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

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

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

156.7 mm

163 mm
Width

75.3 mm

75.4 mm
Thickness

7.9 mm

8.8 mm
Weight

198 g

203.5 g
Waterproof

IP54

-
Dust proof

IP54

-
Colors

Black, Green, Purple, White

Black, Green

Display
Display type

AMOLED

Fluid AMOLED
Physical size

6.55 inches

6.7 inches
Resolution

1080 x 2340 pixels

1080 x 2412 pixels
Pixel density

393 ppi

394 ppi
Display colors

1073741824

1073741824
Protection

Scratch resistant, 2.5D curved glass screen

Scratch resistant, Corning Gorilla Glass 5
Display features

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

120Hz, HDR10+, 500 nits (typ), 800 nits (HBM), 950 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.3 GHz Cortex-X4

Single-core 3.19 GHz Cortex-X2
CPU(second)

Penta-core 3.2 GHz Cortex-A720

Triple-core 2.75 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 SM8475 Snapdragon 8+ Gen 1
GPU

Adreno 740

Adreno 730
Memory RAM

8, 12 GB

12, 16 GB
Internal storage

256, 512 GB

256, 512 GB
Memory card

No

No
Storage

UFS 4.0

UFS 3.1

Main camera
Camera type

Triple

Triple
Main camera

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

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm
(ultrawide) , 13 MP, f/2.4 , 122˚ , 15 mm

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

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

-

8190 x 6120 pixels
Primary camera video

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

4K@30/60fps, 1080p@30/60/240fps, gyro-EIS
Primary camera flash

Ring-LED flash

dual-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, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, contrast detection autofocus, laser autofocus

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 32 MP, f/2.4

(wide) , 16 MP, f/2.4 , 24 mm, 1/3" , 1.0 µm
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

Face unlock, face detection, HDR

Face unlock, HDR, face detection, digital image stabilization
Selfie camera video

1080p@30fps

1080p@30fps

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

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
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

-