LG K30 vs Samsung Galaxy A21 vs Samsung Galaxy A12

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

5.3 inches
6.5 inches
6.5 inches

Resolution:

1280 x 720 pixels, 277 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

TFT
IPS LCD
LCD

Screen-to-body:

69.55 %
79.20 %
85.80 %

Features:

Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 425 MSM8917
Mediatek Helio P35
Mediatek Helio P35 MT6765

Processor:

Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm
Octa-core, 2350 MHz, Cortex-A53, 64-bit, 12 nm

GPU:

Adreno 308
PowerVR GE8320
PowerVR GE8320

RAM:

2GB LPDDR3
3GB LPDDR4
4GB LPDDR4

Internal storage:

16GB
32GB (eMMC 5.1), available to use: 19.8 GB
64GB (eMMC 5.1), available to use: 48.2 GB

Storage expansion:

microSDXC up to 2000 GB
microSDXC up to 512 GB
microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (7.1 Nougat)
Android (10), Samsung One UI
Android (10), Samsung One UI UI

Battery

Capacity:

3000 mAh
4000 mAh
5000 mAh

Type:

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging
Fast charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 15.0W
Wired: 15.0W

Camera

Rear:

Single camera
Quad camera
Quad camera

Main camera:

8 MP (PDAF)
16 MP (PDAF)
48 MP (Autofocus)

Specifications:

Aperture size: F2.2
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm
Aperture size: F2.0; Focal length: 26 mm

Second camera:

8 MP (Ultra-wide)
5 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2

Third camera:

2 MP (Macro)
2 MP (Macro)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Fourth camera:

2 MP (Depth information)
2 MP (Depth information)

Specifications:

Aperture size: F2.4
Aperture size: F2.4

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

Picture-taking during video recording, Video calling, Video sharing

Front:

5 MP
13 MP
8 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

5.85 x 2.95 x 0.34 inches (148.6 x 74.9 x 8.6 mm)
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:

5.93 oz (168.0 g)
6.81 oz (193.0 g)
7.23 oz (205.0 g)

Materials:

Frame: Metal
Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)

Keys:

Left: Volume control; Back: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black
Black
Black, White, Blue, Red

Cellular

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

Bands 5(850), 4(1700/2100), 2(1900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 5(850), 8(900)

Data Speed:

LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA, UMTS
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:

Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share, MirrorLink

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

4.2
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features:

Mass storage device, OTG, Charging
Charging
Charging, Mass storage device

Location:

GPS, A-GPS
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass
Accelerometer

Other:

NFC, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC
NFC

Hearing aid compatible:

M3, T3
M4, T3

Regulatory Approval

FCC approval:

Date approved:

Apr 17, 2020
Mar 11, 2021

FCC ID value:

ZCASMA215U
A3LSMA125U

Measured SAR:

Head:

0.42 W/kg
1.14 W/kg

Body:

1.27 W/kg
1.20 W/kg

Simultaneous Transmission:

1.27 W/kg
1.59 W/kg

Wireless Router:

1.27 W/kg
1.34 W/kg

Buyers information

Price:

$ 180
$ 250
€ 179

User Manual:

This is the official Samsu​ng Galaxy A12 User Guide in English provided from the manufacturer.

In The Box:

SIM removal tool, microUSB Cable, Wall Charging Adapter, Start Guide
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.
Power brick, USB cable, Headphones, Sim card extraction tool

Availability

Officially announced:

Apr 08, 2020
Nov 24, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless