Samsung Galaxy A3 (2017) vs Xiaomi Redmi Note 8 2021 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.

8.0
Samsung Galaxy A3 (2017)
Samsung Galaxy A3 (2017) Xiaomi Redmi Note 8 2021
Released · Jan 13, 2017
Released · May 27, 2021
4.7-inch · 1280x720px
6.3-inch · 2340x1080px
Single camera
Quad camera
2GB · 16GB
4GB · 64GB
2350 mAh
4000 mAh
Check prices

Availability

Officially announced
Jan 02, 2017 May 24, 2021

Design

Dimensions
5.33 x 2.61 x 0.31 inches
135.4 x 66.2 x 7.9 mm
6.23 x 2.96 x 0.33 inches
158.3 x 75.3 x 8.35 mm
Weight
4.87 oz / 138.0 g 6.70 oz / 190.0 g
Materials
Back: Glass
Frame: Aluminum
Back: Glass
Frame: Plastic
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch) Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black sky, Gold sand, Peach cloud, Blue mist Neptune Blue, Moonlight White, Space Black,

Display

Size
4.7-inch, 67.85% screen-to-body 6.3-inch, 81.89% screen-to-body
Type
Super AMOLED IPS LCD, 60Hz
Resolution
1280x720px, 312 PPI 2340x1080px, 19.5:9 ratio, 409 PPI
Protection
Corning Gorilla Glass 5
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
1 (Excellent) Untested

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm) MediaTek Helio G85 MT6769Z (12 nm)
Processor
Octa-core
1600 MHz
ARM Cortex-A53
Octa-core
2000 MHz
Cortex-A75
GPU
Mali-T830 MP2 Mali G52 MC2
Memory
2GB (LPDDR3)/16GB 4GB (LPDDR4)/64GB (eMMC 5.1)
4GB/128GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 128 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow) Android (11)

Battery

Type
2350 mAh 4000 mAh, Li - Polymer
Charging
Fast charging
Charge speed
Wired: 18.0W

Camera

Rear
Single camera Quad camera
Main camera
13 MP (Autofocus, CMOS image sensor)
Aperture size: F1.9
48 MP (Autofocus)
Aperture size: F1.8
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
2 MP (Macro, Autofocus)
Aperture size: F2.4
Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Pixel size: 1.75 μm
Flash
LED LED
Video recording
1080p (30 fps)
Video calling, Video sharing
1080p (30 fps), 720p (120 fps)
Front
8 MP 13 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
4.2 5.2
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync Infrared

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
40 38, 40
3G Bands
5, 8, 2, 1 1, 2, 4, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSPA
Dual SIM
Yes
SIM type
Nano SIM Nano SIM
HD Voice
Yes
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Dec 21, 2016
FCC ID value: A3LSMA320F
Measured SAR
Head: 0.45 W/kg
Body: 0.74 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 0.94 W/kg

Alternative variants

Dual SIM Yes
With 128GB internal stotrage
Memory 128GB
FCC OKs Cingular\'s purchase of AT&T Wireless