Samsung Galaxy A20 vs Samsung Galaxy A31 vs Oppo A57e

Price Comparison (India)

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Rs. 13,999

Manufacturer
Samsung	Samsung	Oppo
Announced
March 2019	2020, March 24	August 2022
Status
Coming Soon - April 2019	Coming Soon - April 2020	Available - August 2022
Price
-	-	Rs. 13,999 ($0.00) [Similarly Priced]
Colors
Blue, Black	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White	Glowing Black, Glowing Green
Form Factor
Candybar	Candybar	Candybar
Dimension
-	159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)	163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)
Weight
-	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)	Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Network
LTE	LTE (unspecified)	1, 3, 5, 8, 40, 41
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor (under display, optical)	- Fingerprint Sensor (side-mounted) IP5X (dust), IPX4 (water) resistance

OS
Android 9.0 (Pie)	Android 10.0	Android 12
User Interface
-	One UI 2.0	ColorOS 12.1
Processor
Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm)	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek MT6765G Helio G35 (12 nm)
GPU
-	Mali-G52 MC2	PowerVR GE8320
RAM
3 GB	6 GB	4 GB
Internal Memory
32 GB	128 GB	64 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSDXC	microSDXC

Type
Super AMOLED Capacitive Touchscreen	Super AMOLED Capacitive Touchscreen	HD+ IPS LCD Screen 600 nits
Colors
16M colors	16M colors	16M Colors
Size
6.4 inches	6.4 inches	6.56 inches
Resolution
720 x 1560 pixels (268 ppi)	1080 x 2400 pixels (411 ppi)	720 x 1612 pixels (269 ppi)
Screen-to-Body Ratio
-	85.01%	84.29%
Multi-Touch

Rear Camera
13 MP + 5 MP	48 MP + 8 MP + 5 MP + 5 MP	13 MP + 2 MP
Flash
LED Flash	LED flash	LED Flash
Features
13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, depth sensor 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	13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF 2 MP, f/2.4, (depth) HDR, Panorama
Video
1080p@30fps	1080p@30fps	1080p@30fps
Front Camera
8 MP, f/2.0	20 MP, f/2.2, 0.8µm HDR 1080p@30fps	8 MP, f/2.0, (wide), 1/4", 1.12µm HDR 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps	HSPA, LTE-A	HSPA 42.2/5.76 Mbps, LTE
Bluetooth
4.2, A2DP, LE	5.0, A2DP, LE	Yes
Wi-Fi
Wi-Fi 802.11 b/g/n, 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
microUSB 2.0	2.0, Type-C 1.0 reversible connector, USB On-The-Go	USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, GLONASS, GALILEO, BDS	Yes, with A-GPS
Browser
Yes	Yes	Yes

Internal
32 GB, 3 GB RAM	128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)	64 GB, 4 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSDXC	microSDXC
USB OTG
Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery	Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Fast battery Charging 33W, 50% in 30 min (advertised)
Capacity
4000 mAh	5000 mAh	5000 mAh
Stand by
-	-	-
Talk Time
-	-	-