Phone Comparison - Samsung Galaxy A51 vs Samsung Galaxy A31 vs Samsung Galaxy Note20 Ultra 5G

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Samsung
Announced December 2019 2020, March 24 2020, August 05
Status Coming Soon - December 12, 2019 Coming Soon - April 2020 Coming soon. Exp. release 2020, August 28
Price Rs. 23,999 ($0.00) [Similarly Priced] - Rs. 104,999 ($0.00) [Similarly Priced]
Colors Prism Crush White, Black, Pink, Blue Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Mystic Bronze, Mystic Black, Mystic White
Form Factor Candybar Candybar Candybar
Dimension 158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
164.8 x 77.2 x 8.1 mm
(6.49 x 3.04 x 0.32 in)
Weight 172 g (6.07 oz) 185 g (6.53 oz) 208 g (7.34 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 and/or eSIM), Hybrid 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)
CDMA2000 1xEV-DO
3G Network 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 (unspecified) LTE
5G Network - - 5G SA/NSA/Sub6/mmWave
Messaging
Build Features - Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor(in-display)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus, 9ms latency (Bluetooth integration, accelerometer, gyro)

hardware Hardware and OS

OS Android 9.0 (Pie) Android 10.0 Android 10.0
User Interface One UI One UI 2.0 One UI 2.1
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global
Octa-core (1x3.09 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
GPU Mali-G72 MP3 Mali-G52 MC2 Mali-G77 MP11 - Global
Adreno 650 - USA
RAM 8 GB 6 GB 12 GB
Internal Memory 128 GB 128 GB 512 GB
External Memory microSD, up to 512 GB (dedicated slot) microSDXC microSDXC (uses shared SIM slot)

display Display

Type Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen Dynamic AMOLED 2X Capacitive Touchscreen
Corning Gorilla Glass Victus
HDR10+
Always-on display
120Hz@FHD/60Hz@QHD refresh rate
Colors 16M colors 16M colors 16M Colour
Size 6.5 inches 6.4 inches 6.9 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (411 ppi) 1440 x 3088 pixels (494 ppi)
Screen-to-Body Ratio 89.06% 85.01% 92.40%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio - FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 48 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP 108 MP + 12 MP + 12 MP
Flash LED Flash LED flash LED Flash
Features 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
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
108 MP, f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
12 MP, f/3.0, 103mm (periscope telephoto), 1.0µm, PDAF, OIS, 5x optical zoom, 50x hybrid zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, PDAF, Super Steady video
Auto-HDR, Panorama
Video 2160p@30fps, 1080p@30fps 1080p@30fps 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Front Camera 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.1, A2DP, LE, aptX
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/6, 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 3.2, 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, BDS, GALILEO
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM (UFS3.1)
Expandable Storage microSD, up to 512 GB (dedicated slot) microSDXC microSDXC (uses shared SIM 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 not present barometer sensor not present barometer sensor present
NFC NFC not supported NFC not supported NFC 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-Ion battery
Fast charging 45W, 50% in 30 min (advertised)
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 9W
Capacity 4000 mAh 5000 mAh 4500 mAh
Stand by - - -
Talk Time - - -