Samsung Galaxy A21 vs Samsung Galaxy A12 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 A21 Samsung Galaxy A12
Released · Jun 29, 2020
Released · Dec 21, 2020
6.5-inch · 1600x720px
6.5-inch · 1600x720px
Quad camera
Quad camera
3GB · 32GB
4GB · 64GB
4000 mAh
5000 mAh
Check prices

Availability

Officially announced
Apr 08, 2020 Nov 24, 2020
MSRP
$ 250 € 179

Design

Dimensions
6.61 x 3.02 x 0.32 inches
167.8 x 76.7 x 8.1 mm
6.46 x 2.98 x 0.35 inches
164 x 75.8 x 8.9 mm
Weight
6.81 oz (193.0 g) 7.23 oz (205.0 g)
Materials
Back: Plastic
Frame: Plastic
Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch) Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black Black, White, Blue, Red

Display

Size
6.5-inch, 79.20% screen-to-body 6.5-inch, 85.80% screen-to-body
Type
IPS LCD, 60Hz LCD
Resolution
1600x720px, 20:9 ratio, 270 PPI 1600x720px, 20:9 ratio, 270 PPI

Hardware

System chip
Mediatek Helio P35 MT6765 (12 nm) Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core
4x2.3GHz Cortex-A53
4x1.8G​Hz Cortex-A53
Octa-core
4x2.3GHz Cortex-A53
4x1.8G​Hz Cortex-A53
GPU
PowerVR GE8320 PowerVR GE8320
Memory
3GB (LPDDR4)/32GB (eMMC 5.1) 4GB (LPDDR4)/64GB (eMMC 5.1)
3GB/32GB
6GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 1024 GB
OS
Android (10) Android (10)

Battery

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

Camera

Rear
Quad camera Quad camera
Main camera
16 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/3.06"
Pixel size: 1 μm
48 MP (Autofocus)
Aperture size: F2.0
Focal length: 26 mm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
5 MP (Ultra-wide)
Aperture size: F2.2
Third camera
2 MP (Macro)
Aperture size: F2.4
2 MP (Macro)
Aperture size: F2.4
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
2 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps) 1080p (30 fps)
Front
13 MP
Video capture: 1080p
8 MP

Connectivity & Features

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

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Screen mirroring
Wireless screen share Wireless screen share,MirrorLink
Radio
FM

Cellular

4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66(AWS-3), 71(600) Bands 1, 3, 5, 7, 8, 20, 28
4G (TDD)
Bands 38, 39, 40, 41 Bands 38, 40, 41
3G
Bands 1, 2, 4, 5, 8 Bands 1, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
No
SIM type
Nano SIM Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 17, 2020
FCC ID value: ZCASMA215U
Date approved: Mar 11, 2021
FCC ID value: A3LSMA125U
Measured SAR
Head: 0.42 W/kg
Body: 1.27 W/kg
Simultaneous Transmission: 1.27 W/kg
Wireless Router: 1.27 W/kg
Head: 1.14 W/kg
Body: 1.20 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg

Alternative variants

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
With 32GB storage
Memory 3GB/32GB
for Sprint
4G (FDD) Bands 2, 3, 4, 5, 7, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD) Bands 41
With 128GB storage
Memory 6GB/128GB
FCC OKs Cingular\'s purchase of AT&T Wireless