Asus Zenfone Max Pro (M2) ZB631KL vs Samsung Galaxy A21

Asus Zenfone Max Pro (M2) ZB631KL

Samsung Galaxy A21

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300)

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (3CA), Cat9, 450 Mbps download, 50 Mbps upload

LTE, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

GPRS

Yes

Design
Build

Front glass, plastic body

Glass front, plastic back, plastic frame
SIM

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

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

157.9 mm

167.8 mm
Width

75.5 mm

76.7 mm
Thickness

8.5 mm

8.1 mm
Weight

175 g

193 g
Colors

Blue, Titanium

Black

Display
Display type

IPS LCD capacitive touchscreen

IPS LCD capacitive touchscreen
Physical size

6.26 inches

6.5 inches
Resolution

1080 x 2280 pixels

720 x 1600 pixels
Pixel density

403 ppi

270 ppi
Display colors

16777216

16777216
Protection

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

-
Multitouch

Yes

-

Main camera
Camera type

Dual

Quad
Main camera

12 MP, f/1.8 , 1/2.9" , 1.25 µm

16 MP, f/1.8 , 1/3.06" , 1.0 µm
5 MP, f/2.4 , 1.12 µm

8 MP, f/2.2 , 1.12 µm, 1/4.0"
2 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

4000 x 3000 pixels

4608 x 3456 pixels
Primary camera video

2160p@30fps, 1080p@30/60fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

phase detection autofocus

-
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, self-timer, scene-mode, RAW

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