Samsung Galaxy A51 vs Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy A31

Price Comparison (India)

Rs. 92,999

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General Info

Manufacturer
Samsung	Samsung	Samsung
Announced
December 2019	2020, February 11	2020, March 24
Status
Coming Soon - December 12, 2019	Coming soon. Exp. release 2020, March 6	Coming Soon - April 2020
Price
Rs. 23,999 ($0.00) [Similarly Priced]	Rs. 92,999 ($0.00) [Similarly Priced]	-
Colors
Prism Crush White, Black, Pink, Blue	Cosmic Grey	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush 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)	166.9 x 76 x 8.8 mm (6.57 x 2.99 x 0.35 in)	159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight
172 g (6.07 oz)	222 g (7.83 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) CDMA2000 1xEV-DO	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 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 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), 14(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46(5200), 48, 66(1700/2100), 71(600) - SM-G988U	LTE (unspecified)
5G Network
-	SA/NSA/Sub6/mmWave 5G band 2(1900), 5(850), 41(2500), 66(1700), 71(600), 260(39 GHz), 261(28 GHz), - SM-G988U	-
Messaging

Build Features
- Fingerprint Sensor(In-display)	- 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)

Hardware and OS

OS
Android 9.0 (Pie)	Android 10.0	Android 10.0
User Interface
One UI	One UI 2.0	One UI 2.0
Processor
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)	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)
GPU
Mali-G72 MP3	Mali-G77 MP11 - Global Adreno 650 - USA	Mali-G52 MC2
RAM
8 GB	16 GB	6 GB
Internal Memory
128 GB	512 GB	128 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSD, up to 1 TB	microSDXC

Display

Type
Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen	Dynamic AMOLED Capacitive Touchscreen Corning Gorilla Glass 6 HDR10+ Always-on display 120Hz@FHD, 60Hz@QHD	Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
6.5 inches	6.9 inches	6.4 inches
Resolution
1080 x 2340 pixels (396 ppi)	1440 x 3200 pixels (509 ppi)	1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio
89.06%	90.46%	85.01%
Multi-Touch

Multimedia

3.5mm Jack

Radio
FM radio	FM radio (USA & Canada only)	-
Games
Yes + Downloadable	Yes + Downloadable	Yes + Downloadable
Loud Speaker

Camera

Rear Camera
48 MP + 12 MP + 5 MP + 5 MP	108 MP + 48 MP + 12 MP + TOF	48 MP + 8 MP + 5 MP + 5 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	108 MP, (wide), Dual Pixel PDAF, OIS 48 MP, (telephoto), 1/2", 0.8µm, PDAF, OIS, 10x optical zoom, upto 100x Digital 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
Video
2160p@30fps, 1080p@30fps	4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS	1080p@30fps
Front Camera
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps	40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF Dual video call, Auto-HDR 2160p@30/60fps, 1080p@30fps	20 MP, f/2.2, 0.8µm HDR 1080p@30fps

Connectivity and Data Rate

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL)	HSPA, LTE-A
Bluetooth
5.0, A2DP, LE	5.0, A2DP, LE, aptX	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/ax, 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	3.1, Type-C 1.0 reversible connector	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, BDS, GALILEO	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes	Yes

User Memory

Internal
128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM	512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM	128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSD, up to 1 TB	microSDXC
USB OTG
Supported	Supported	Supported

Sensors

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

Barometer Sensor

NFC

Battery

Type
Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Fast battery charging 45W: 100% in 58 min 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
Capacity
4000 mAh	5000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-