Phone Comparison - Samsung Galaxy S20 5G vs Samsung Galaxy A31 vs Samsung Galaxy A51 5G

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, February 11 2020, March 24 April 2020
Status Coming soon. Exp. release 2020, March 6 Coming Soon - April 2020 Coming Soon - April 2020
Colors Cosmic Grey, Cloud Blue, Cloud Pink Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Prism Cube Black, Prism Cube White, Prism Cube Pink
Form Factor Candybar Candybar Candybar
Dimension 151.7 x 69.1 x 7.9 mm
(5.97 x 2.72 x 0.31 in)
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)
Weight 163 g (5.75 oz) 185 g (6.53 oz) 187 g (6.6 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)
CDMA2000 1xEV-DO
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 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) 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)
5G Network 5G band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300), 77(3700), 78(3500); SA/NSA/Sub6/mmWave - 5G SA/NSA
Messaging
Build Features - Fingerprint Sensor(In-display)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
- 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 (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global
Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) - USA, Exynos 990 (7 nm+) - Global
Qualcomm SM8250 Snapdragon 865 (7 nm+) - USA
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)
GPU Mali-G77 MP11 - Global
Adreno 650 - USA
Mali-G52 MC2 Mali-G76 MP5
RAM 12 GB 6 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 1 TB microSDXC microSDXC (dedicated slot)

display Display

Type Dynamic AMOLED Capacitive Touchscreen
Corning Gorilla Glass 6
HDR10+
Always-on display
120Hz
Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 6.2 inches 6.4 inches 6.5 inches
Resolution 1440 x 3200 pixels (566 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio 88.53% 85.01% 87.17%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio FM radio (USA & Canada only) - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 64 MP + 12 MP + 12 MP 48 MP + 8 MP + 5 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash LED flash LED flash LED flash
Features 12 MP, (wide), Dual Pixel PDAF, OIS
64 MP, (telephoto), PDAF, OIS, 3x optical zoom
12 MP, (ultrawide), 1/1.26", 0.7µm, AF, Super Steady video
TOF 3D camera
auto-HDR, panorama
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
Video 3240p@30fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS 1080p@30fps 2160p@30fps, 1080p@30/120fps; gyro-EIS
Front Camera 10 MP, f/1.9, 26mm (wide), 1/3", 1.22µm, Dual Pixel PDAF
Dual video call, Auto-HDR
2160p@30fps, 1080p@30fps [Similar]
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]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL) HSPA, LTE-A HSPA, LTE-A, 5G
Bluetooth 5.0, A2DP, LE, aptX 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac/ax, 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 3.2, Type-C 1.0 reversible connector 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, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 12 GB RAM 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)
Expandable Storage microSD, up to 1 TB microSDXC 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
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Power bank/Reverse wireless charging 9W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 5000 mAh 4500 mAh
Stand by - - -
Talk Time - - -