Google Pixel 2 vs Samsung Galaxy A31 Specs Comparison

Design

Dimensions
5.74 x 2.74 x 0.31 inches 145.7 x 69.7 x 7.8 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
5.04 oz (143.0 g)	6.53 oz (185.0 g)
Materials
Back: Aluminum, Glass	Back: Plastic
Resistance
Water, Dust; IP67
Biometrics
Fingerprint (touch)	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Blue, White	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
5.0-inch	6.4-inch
Resolution
1920x1080px, 16:9 ratio, 441 PPI	2400x1080px, 20:9 ratio, 411 PPI
Technology
AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
67.92 %	84.88 %
Features
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 835 MSM8998 (10 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2350 MHz Kryo 280	Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Adreno 540	Mali-G52 MC2
RAM
4GB (LPDDR4)	4GB (LPDDR4)
Internal storage
128GB	64GB (eMMC 5.1), available to use: 46.2 GB
Storage expansion
not expandable	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie, 8.1 Oreo, 8.0 Oreo)	Android (10), Samsung One UI

Battery

Capacity
2700 mAh	5000 mAh
Type
Li - Ion	Li - Polymer
Charging
USB Power Delivery	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Single camera	Quad camera
Main camera
12.2 MP (OIS, Laser and PDAF, CMOS image sensor) Aperture size: F1.8 Focal length: 27 mm Sensor size: 1/2.6" Pixel size: 1.4 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) OIS, EIS, Video calling, Video sharing	1920x1080 (Full HD) (30 fps)
Front
8 MP, Video capture: 1920x1080 (Full HD)	20 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.1	Type-C, USB 2.0
Hearing aid compatible
M4/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass
Other
NFC, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
No 3.5mm jack	3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Loudspeaker
Features
aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A Cat 15/5 (800/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, eSIM	Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Aug 15, 2017 FCC ID value: NM8G011A	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
Measured SAR
Head: 0.79 W/kg Body: 0.11 W/kg Simultaneous Transmission: 1.47 W/kg Wireless Router: 0.12 W/kg	Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Buyers information

MSRP
$ 749	€ 300

Availability

Officially announced
Oct 04, 2017	Mar 24, 2020

Alternative variants

Internal storage	64GB
MSRP	$ 649

with 128GB storage

RAM	6GB
Internal storage	128GB

Links

Full specifications
Google Pixel 2 Specs	Samsung Galaxy A31 Specs
PhoneArena Review
Google Pixel 2 Review
User Reviews
Google Pixel 2 User Reviews