Phone Comparison - Samsung Galaxy A31 vs Samsung Galaxy A51 5G vs Samsung Galaxy A71 5G

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, March 24 April 2020 April 2020
Status Coming Soon - April 2020 Coming Soon - April 2020 Coming Soon - April 2020
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Prism Cube Black, Prism Cube White, Prism Cube Pink Prism Cube Black, Prism Cube Sliver, Prism Cube Blue
Form Factor Candybar Candybar Candybar
Dimension 159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
158.9 x 73.6 x 8.7 mm
(6.26 x 2.9 x 0.34 in)
162.5 x 75.5 x 8.1 mm
(6.4 x 2.97 x 0.32 in)
Weight 185 g (6.53 oz) 187 g (6.6 oz) 185 g (6.53 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
5G Network - 5G SA/NSA 5G SA/NSA
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10.0
User Interface One UI 2.0 One UI 2.0 One UI 2.0
Processor Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm)
GPU Mali-G52 MC2 Mali-G76 MP5 Mali-G76 MP5
RAM 6 GB 8 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
Super AMOLED Plus Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.5 inches 6.7 inches
Resolution 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (405 ppi) 1080 x 2400 pixels (393 ppi)
Screen-to-Body Ratio 85.01% 87.17% 88.25%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP 64 MP + 12 MP + 5 MP + 5 MP
Flash LED flash LED flash LED flash
Features 48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
Video 1080p@30fps 2160p@30fps, 1080p@30/120fps; gyro-EIS 2160p@30fps, 1080p@30/240fps, 1080p@960fps; gyro-EIS
Front Camera 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA, LTE-A, 5G HSPA, LTE-A; 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0) 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.1)
Expandable Storage microSDXC microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 25W
Capacity 5000 mAh 4500 mAh 4500 mAh
Stand by - - -
Talk Time - - -