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Samsung Galaxy A72 vs Samsung Galaxy A51 vs Samsung Galaxy A70

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

Comparison mode:

Display

Size:

6.7 inches
6.5 inches
6.7 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 393 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2400 x 1080 pixels, 20:9 ratio, 393 PPI

Technology:

Super AMOLED
Super AMOLED
Super AMOLED

Refresh rate:

90Hz
60Hz

Screen-to-body:

84.74 %
87.37 %
85.97 %

Features:

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 720G SM7125
Samsung Exynos 9611
Qualcomm Snapdragon 675 SM6150

Processor:

Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2000 MHz, Kryo 460, 64-bit, 11 nm

GPU:

Adreno 618
Mali-G72 MP3
Adreno 612

RAM:

6GB
4GB LPDDR4
6GB LPDDR4

Internal storage:

128GB (UFS)
128GB, available to use: 105.9 GB
128GB, available to use: 108.3 GB

Storage expansion:

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

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11), One UI 3.0 UI
Android (11, 10), Samsung One UI
Android (10, 9.0 Pie), Samsung One UI

Battery

Capacity:

5000 mAh
4000 mAh
4500 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0
Fast charging
Samsung Adaptive Fast Charging

Max charge speed:

Wired: 25.0W

Camera

Rear:

Quad camera
Quad camera
Triple camera

Main camera:

64 MP (OIS, PDAF)
48 MP (PDAF)
PDAF

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.8 μm

Second camera:

8 MP (Telephoto, OIS, Autofocus)
12 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Pixel size: 1.0 μm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

5 MP (Ultra-wide)
5 MP (Macro)
5 MP (Depth information)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.4; Focal Length: 40 mm
Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera:

5 MP (Macro)
5 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps)

Features:

Continuous autofocus, Picture-taking during video recording
Hyperlapse, EIS
Video calling, Video sharing

Front:

32 MP
32 MP (HDR)
32 MP

Video capture:

3840x2160 (4K UHD) (30 fps)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.50 x 3.05 x (165 x 77.4 x 8.4 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.47 x 3.02 x 0.31 inches (164.3 x 76.7 x 7.9 mm)

Weight:

7.16 oz (203.0 g)
6.07 oz (172.0 g)
6.46 oz (183.0 g)

Materials:

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

Materials & Colors:

Black, Blue, White, Violet

Resistance:

Water, Dust; IP67

Biometrics:

2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint
2D Face unlock, In-screen fingerprint

Keys:

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

Colors:

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Black, Pink, Blue, White

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 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), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSPA

Dual SIM:

Shared with microSD
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

Features:

Dolby Atmos
Dolby Atmos
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band, 802.1x; Wi-Fi Direct, Hotspot
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

USB:

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

Features:

Charging, OTG
Charging, OTG
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer, Gyroscope, Pedometer, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other:

NFC
NFC, ANT+
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Regulatory Approval

FCC approval:

Date approved:

Jan 26, 2021
Nov 28, 2019
Mar 28, 2019

FCC ID value:

A3LSMA725M
A3LSMA515FN
A3LSMA705FN

Measured SAR:

Head:

0.29 W/kg
0.89 W/kg
0.26 W/kg

Body:

0.30 W/kg
1.18 W/kg
0.25 W/kg

Simultaneous Transmission:

1.56 W/kg
1.56 W/kg
0.89 W/kg

Wireless Router:

0.59 W/kg
1.12 W/kg
0.38 W/kg

Phablet:

2.76 W/kg

EU SAR:

Head:

0.23 W/kg

Body:

1.17 W/kg

Buyers information

Price:

€ 449
$ 400

User Manual:

This is the official Samsu​ng Galaxy A51 User Guide in English provided from the manufacturer.

In The Box:

25W charger

Availability

Officially announced:

Mar 17, 2021
Dec 12, 2019
Mar 26, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless