Asus Zenfone 7 Pro ZS671KS vs Samsung Galaxy M21 2021

Asus Zenfone 7 Pro ZS671KS

Samsung Galaxy M21 2021

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 38, 39, 40, 41

LTE frequency band 1, 3, 5, 7, 8, 20, 38, 40, 41
5G network

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78; SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (5CA) Cat 19, 1800 Mbps download, 150 Mbps upload

LTE, 603 Mbps download, 102 Mbps upload
5G speed

3.6 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame

Glass front, plastic back, plastic frame
SIM

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

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

165.1 mm

159 mm
Width

77.3 mm

75.1 mm
Thickness

9.6 mm

9 mm
Weight

230 g

192 g
Colors

Black, White

Black, Blue

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED
Physical size

6.67 inches

6.4 inches
Resolution

1080 x 2400 pixels

1080 x 2400 pixels
Pixel density

395 ppi

403 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Scratch resistant, Corning Gorilla Glass 6

Scratch resistant, 2.5D curved glass screen
Display features

HDR10+, 90Hz refresh rate, 700 nits typ. brightness

420 nits (peak), Infinity U Display

Main camera
Camera type

Triple

Triple
Main camera

64 MP, f/1.8 , 26 mm, 1/1.72" , 0.8 µm

48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm, (wide)
8 MP, f/2.4 , 80 mm, 3x optical zoom

8 MP, f/2.2 , (ultrawide) , 123˚ , 1/4.0" , 1.12 µm
12 MP, f/2.2 , 17 mm, 1/2.55" , 1.4 µm

5 MP, f/2.2 , (depth)
Primary camera resolution

9280 x 6920 pixels

8000 x 6000 pixels
Primary camera video

8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR

4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Primary camera flash

dual 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, RAW

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

122

-
DxOMark video

100

-
DxOMark camera score

115

-

Connectivity
WLAN

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

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

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX Adaptive

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity, light

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5000 mAh

6000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Qualcomm Quick Charge 4, Power Delivery 3.0

Fast Charging
Reverse charging

Yes

-
Talk time 4G

-

49 h