Google Pixel 3a vs Samsung Galaxy A31

General Info

Manufacturer
Google	Samsung
Announced
2019, May	2020, March 24
Status
Available. Released 2019, May	Coming Soon - April 2020
Colors
Clearly White, Just Black, Not Pink	Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor
Candybar	Candybar
Dimension
151.3 x 70.1 x 8.2 mm (5.96 x 2.76 x 0.32 in)	159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight
147 g (5.19 oz)	185 g (6.53 oz)
SIM Type
Nano-SIM	Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 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), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46, 66(1700/2100), 71(600)	LTE (unspecified)
Messaging

Build Features
- Fingerprint Sensor - IP68 dust/water resistant (up to 1.5m for 30 mins)	- Fingerprint Sensor (under display, optical)
Notification LED
Yes	-

Type
P-OLED Capacitive Touchscreen, Corning Gorilla Glass 5	Super AMOLED Capacitive Touchscreen
Colors
16M colors	16M colors
Size
5.6 inches [Similar]	6.4 inches [Similar]
Resolution
1080 x 2220 pixels (441 ppi)	1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio
74.99%	85.01%
Multi-Touch

OS
Android 9.0 (Pie)	Android 10.0
User Interface
-	One UI 2.0
Processor
Octa-Core (2 x 2GHz Kryo 360 + 6 x 1.7GHz Kryo 360), Qualcomm SDM670 Snapdragon 670 [Similar]	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) [Similar]
GPU
Adreno 615 [Similar]	Mali-G52 MC2 [Similar]
RAM
4 GB [Browse Similar]	6 GB [Browse Similar]
Internal Memory
32/64 GB	128 GB
External Memory
No	microSDXC

Rear Camera
12.2 MP [Similar]	48 MP + 8 MP + 5 MP + 5 MP [Similar]
Flash
Dual-LED Flash	LED flash
Features
12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF 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@30/60/120fps, 720p@240fps, 1080p@30fps (gyro-EIS)	1080p@30fps
Front Camera
8 MP, f/1.8, 28mm PDAF No AF, Auto-HDR, 1080p@30fps [Similar]	20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/75 Mbps	HSPA, LTE-A
Bluetooth
5.0, A2DP, LE, aptX HD	5.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, 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	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
Browser
Yes	Yes

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Ion Battery Fast Battery Charging 18W	Non-removable Li-Po Battery Fast battery charging 15W
Capacity
3000 mAh	5000 mAh
Stand by
-	-
Talk Time
-	-