Samsung Galaxy A3 (2017) vs Samsung Galaxy A21s Specs Comparison

Availability

Officially announced
Jan 02, 2017	May 15, 2020
Prices (MSRP)
	€240

Design

Dimensions
5.33 x 2.61 x 0.31 inches 135.4 x 66.2 x 7.9 mm	6.44 x 2.96 x 0.35 inches 163.7 x 75.3 x 8.9 mm
Weight
4.87 oz / 138.0 g	6.77 oz / 192.0 g
Materials
Back: Glass Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, 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	Black, White, Blue, Red

Display

Size
4.7-inch, 67.85% screen-to-body	6.5-inch, 82.94% screen-to-body
Type
Super AMOLED	TFT
Resolution
1280x720px, 312 PPI	1600x720px, 20:9 ratio, 270 PPI

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	4.6 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Samsung Exynos 850
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 8x2.0GHz Cortex-A55
GPU
Mali-T830 MP2	Mali-G76
Memory
2GB (LPDDR3)/16GB	3GB (LPDDR4)/32GB (eMMC 5.1) 4GB/64GB 6GB/64GB
Storage expansion
microSDXC up to 256 GB	microSDXC up to 512 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (10)

Battery

Type
2350 mAh	5000 mAh, Li - Polymer
Charging
	Fast charging

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

11h 9min

Gaming

7h 48min

Learn more on our PhoneArena Battery Test Results page

Camera

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

Connectivity & Features

Bluetooth
4.2	5.0
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, Proximity sensor
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	NFC

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

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20	1, 2, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
40	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

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 4GB RAM

Memory	4GB/64GB

with 6GB RAM

Memory	6GB/64GB

Discover more

Full Specs Samsung Galaxy A3 (2017) Specs PA Review Samsung Galaxy A3 (2017) Review

Full Specs Samsung Galaxy A21s Specs PA Review Samsung Galaxy A21s Review