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BLU Vivo 8 vs Samsung Galaxy A31 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
BLU Vivo 8
Samsung Galaxy A31
BLU Vivo 8 Samsung Galaxy A31
Released · Aug 30, 2017
Released · Apr 27, 2020
5.5-inch · 1920x1080px
6.4-inch · 2400x1080px
Single camera
Quad camera
4GB · 64GB
4GB · 64GB
4010 mAh
5000 mAh

Design

Dimensions
6.08 x 3.01 x 0.33 inches
154.5 x 76.5 x 8.3 mm 		6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm
Weight
6.35 oz (180.0 g) 6.53 oz (185.0 g)
Materials
Back: Metal Back: Plastic
Biometrics
Fingerprint (touch) Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black, Gold Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
5.5-inch 6.4-inch
Resolution
1920x1080px, 401 PPI 2400x1080px, 20:9 ratio, 411 PPI
Technology
IPS LCD Super AMOLED
Refresh rate
60Hz
Screen-to-body
70.63 % 84.88 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P10 MT6755 (28 nm) MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53 		Octa-core
2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
GPU
Mali-T860 MP2 Mali-G52 MC2
RAM
4GB 4GB (LPDDR4)
Internal storage
64GB 64GB (eMMC 5.1), available to use: 46.2 GB
Storage expansion
microSDHC up to 64 GB microSDXC up to 512 GB
OS
Android (7.0 Nougat) Android (10), Samsung One UI

Battery

Capacity
4010 mAh 5000 mAh
Type
Li - Ion Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Single camera Quad camera
Main camera
13 MP (PDAF)
Aperture size: F2.0
Sensor size: 1/3.06"
Pixel size: 1.12 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
1920x1080 (Full HD) (30 fps)
Video calling, Video sharing 		1920x1080 (Full HD) (30 fps)
Front
16 MP (Flash) 20 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.1 5.0
WLAN
802.11 b,g,n,dual-band
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0 Type-C, USB 2.0
Location
GPS, A-GPS GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Loudspeaker
Features
Album art cover, Background playback
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), 28(700 APT) 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+)
3G
Bands 5(850), 4(1700/2100), 2(1900), 1(2100) Bands 1(2100), 2(1900), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes Yes
SIM type
Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL
Measured SAR
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
€ 300

Availability

Officially announced
Aug 30, 2017 Mar 24, 2020

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
FCC OKs Cingular\'s purchase of AT&T Wireless