Samsung Galaxy M02 vs Samsung Galaxy A21 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Samsung Galaxy M02 Samsung Galaxy A21
Released · Feb 09, 2021
Released · Jun 29, 2020
6.5-inch · 1600x720px
6.5-inch · 1600x720px
Dual camera
Quad camera
2GB · 32GB
3GB · 32GB
5000 mAh
4000 mAh
Check prices

Availability

Officially announced
Feb 02, 2021 Apr 08, 2020
Prices (MSRP)
$250

Design

Dimensions
6.46 x 2.99 x 0.36 inches
164 x 75.9 x 9.1 mm
6.61 x 3.02 x 0.32 inches
167.8 x 76.7 x 8.1 mm
Weight
7.27 oz / 206.0 g 6.81 oz / 193.0 g
Materials
Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black

Display

Size
6.5-inch, 81.86% screen-to-body 6.5-inch, 79.20% screen-to-body
Type
PLS IPS LCD, 60Hz
Resolution
1600x720px, 20:9 ratio, 270 PPI 1600x720px, 20:9 ratio, 270 PPI

Hardware

System chip
Mediatek MT6739W (28 nm) Mediatek Helio P35 MT6765 (12 nm)
Processor
Quad-core
1500 MHz
Arm Cortex-A53
Octa-core
4x2.3GHz Cortex-A53
4x1.8G​Hz Cortex-A53
GPU
IMG PowerVR GE8100 PowerVR GE8320
Memory
2GB/32GB (eMMC 5.1)
3GB/32GB
3GB (LPDDR4)/32GB (eMMC 5.1)
Storage expansion
microSDXC up to 1024 GB microSDXC up to 512 GB
OS
Android (10) Android (10)

Battery

Type
5000 mAh 4000 mAh, Li - Polymer
Charging
Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (Autofocus)
Aperture size: F1.9
16 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3.06"
Pixel size: 1 μm
Second camera
2 MP (Macro)
Aperture size: F2.4
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps) 1080p (30 fps)
Front
5 MP 13 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
microUSB, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
38, 40, 41 38, 39, 40, 41
3G Bands
1, 5, 8 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020
FCC ID value: ZCASMA215U
Measured SAR
Head: 0.42 W/kg
Body: 1.27 W/kg
Simultaneous Transmission: 1.27 W/kg
Wireless Router: 1.27 W/kg

Alternative variants

With 3GB RAM
Memory 3GB
for Verizon
4G (FDD) Bands 1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands 38, 40, 41
3G Bands 5, 8, 2, 1
for Sprint
4G (FDD) Bands 2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
FCC OKs Cingular\'s purchase of AT&T Wireless