Samsung Galaxy A12 vs OPPO A54 5G vs Samsung Galaxy A21s

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

Comparison mode:

Display

Size:

6.5 inches
6.5 inches
6.5 inches

Resolution:

1600 x 720 pixels, 20:9 ratio, 270 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

LCD
IPS LCD
TFT

Screen-to-body:

85.80 %
83.90 %
82.94 %

Features:

Ambient light sensor, Proximity sensor
90Hz refresh rate, Ambient light sensor, Proximity sensor
Proximity sensor

Hardware

System chip:

Mediatek Helio P35 MT6765
Qualcomm Snapdragon 480 SM4350
Samsung Exynos 850

Processor:

Octa-core, 2350 MHz, Cortex-A53, 64-bit, 12 nm
Octa-core, 2000 MHz, Kryo 460, 64-bit, 8 nm
Octa-core, 2000 MHz, Arm Cortex-A55, 64-bit

GPU:

PowerVR GE8320
Adreno 619
Mali-G76

RAM:

4GB LPDDR4
4GB LPDDR4
3GB LPDDR4

Internal storage:

64GB (eMMC 5.1), available to use: 48.2 GB
64GB (UFS 2.1)
32GB (eMMC 5.1), available to use: 19.5 GB

Storage expansion:

microSDXC up to 1024 GB
microSDXC
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (10), Samsung One UI UI
Android (11), ColorOS 11.1 UI
Android (10), Samsung One UI

Battery

Capacity:

5000 mAh
5000 mAh
5000 mAh

Type:

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

Battery life test results:

Charging:

Samsung Adaptive Fast Charging
Fast charging

Max charge speed:

Wired: 15.0W
Wired: 10.0W

Camera

Rear:

Quad camera
Quad camera
Quad camera

Main camera:

48 MP (Autofocus)
48 MP (Autofocus)
48 MP (PDAF)

Specifications:

Aperture size: F2.0; Focal length: 26 mm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

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

Specifications:

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

Third camera:

2 MP (Macro)
2 MP (Macro)
2 MP (Macro)

Specifications:

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

Fourth camera:

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

Specifications:

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

Video recording:

1920x1080 (Full HD) (30 fps)
1280x720 (HD) (30 fps)
1920x1080 (Full HD) (30 fps)

Features:

EIS

Front:

8 MP
16 MP
13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

6.46 x 2.98 x 0.35 inches (164 x 75.8 x 8.9 mm)
6.41 x 2.94 x 0.33 inches (162.9 x 74.7 x 8.4 mm)
6.44 x 2.96 x 0.35 inches (163.7 x 75.3 x 8.9 mm)

Weight:

7.23 oz (205.0 g)
6.70 oz (190.0 g)
6.77 oz (192.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)

Keys:

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

Colors:

Black, White, Blue, Red
Fluid Black, Fantastic Purple
Black, White, Blue, Red

Cellular

5G:

n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n77, n78

LTE (FDD):

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD):

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

UMTS:

Bands 1(2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)
Bands 5(850), 8(900), 2(1900), 1(2100)

Data Speed:

LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring:

Wireless screen share, MirrorLink
Wireless screen share
Wireless screen share

Radio:

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.1, EDR
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, Mass storage device
OTG
Charging

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope

Other:

NFC
NFC

Regulatory Approval

FCC approval:

Date approved:

Mar 11, 2021

FCC ID value:

A3LSMA125U

Measured SAR:

Head:

1.14 W/kg

Body:

1.20 W/kg

Simultaneous Transmission:

1.59 W/kg

Wireless Router:

1.34 W/kg

Buyers information

Price:

€ 179
€ 240

User Manual:

This is the official Samsu​ng Galaxy A12 User Guide in English provided from the manufacturer.
This is the official Samsu​ng Galaxy A21s User Guide in English provided from the manufacturer.

In The Box:

Power brick, USB cable, Headphones, Sim card extraction tool
Charger, Earphones, USB cable, SIM Ejector Tool, Safety Guide, Quick Guide, Protective case

Availability

Officially announced:

Nov 24, 2020
May 15, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless