Samsung Galaxy A51 vs Samsung Galaxy A71 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.

7.0	8.2
Samsung Galaxy A51	Samsung Galaxy A71
Released · Dec 27, 2019	Released · Jan 31, 2020
6.5-inch · 2400x1080px	6.7-inch · 2400x1080px
Quad camera	Quad camera
4GB · 128GB	6GB · 128GB
4000 mAh	4500 mAh
Check prices	Check prices

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.44 x 2.99 x 0.30 inches 163.6 x 76 x 7.7 mm
Weight
6.07 oz (172.0 g)	6.31 oz (179.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
Keys
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	Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Display

Size
6.5-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
Super AMOLED	Super AMOLED Plus
Refresh rate
60Hz	60Hz
Screen-to-body
87.37 %	87.24 %
Features
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
Samsung Exynos 9611 (10 nm)	Qualcomm Snapdragon 730 SM7150-AA (8 nm)
Processor
Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 2200 MHz Kryo 470
GPU
Mali-G72 MP3	Adreno 618
RAM
4GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB, available to use: 105.9 GB	128GB, available to use: 106.1 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10), Samsung One UI	Android (12, 11, 10), Samsung One UI

Battery

Capacity
4000 mAh	4500 mAh
Type
Li - Polymer	Li - Polymer
Charging
Fast charging	Fast charging

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

6h 59min

Browsing

11h 32min

Video

11h 38min

Gaming

12h 46min

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	5 MP (Macro) Aperture size: F2.4 Focal Length: 25 mm
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Hyperlapse, EIS	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) EIS
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD)	32 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
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, USB 2.0	Type-C, USB 2.0
Location
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, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Other
NFC, ANT+	NFC, ANT+

Multimedia

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

Cellular

4G (FDD)
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), 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), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
$ 400

Availability

Officially announced
Dec 12, 2019	Dec 12, 2019

Alternative variants

with 128GB storage


RAM	6GB
Internal storage	128GB

with 8 GB RAM


RAM	8GB

for Verizon


4G (FDD)	Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G	Bands 5(850), 8(900), 2(1900), 1(2100)

for AT&T


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

for Sprint


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD)	Bands 41(2600+)

for Europe


4G (FDD)	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), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)	Bands 38(2600), 40(2300), 41(2600+)
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy A51 Specs	Samsung Galaxy A71 Specs
PhoneArena Review
Samsung Galaxy A51 Review	Samsung Galaxy A71 Review
User Reviews
Samsung Galaxy A51 User Reviews	Samsung Galaxy A71 User Reviews