Samsung Galaxy A7 (2018) vs Samsung Galaxy M21 Specs Comparison

Availability

Officially announced
Sep 20, 2018	Mar 18, 2020

Design

Dimensions
6.29 x 3.02 x 0.30 inches 159.8 x 76.8 x 7.5 mm	6.26 x 2.96 x 0.35 inches 159.0 x 75.1 x 8.9 mm
Weight
5.93 oz / 168.0 g	6.63 oz / 188.0 g
Materials
Back: Glass (Corning Gorilla Glass 3) Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Features
Notification light
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue	Midnight blue, Raven black

Display

Size
6.0-inch, 74.55% screen-to-body	6.4-inch, 84.11% screen-to-body
Type
Super AMOLED	Super AMOLED, 420 nits
Resolution
2220x1080px, 18.5:9 ratio, 411 PPI	2340x1080px, 19.5:9 ratio, 403 PPI
Colors
16 777 216
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 3
Features
	Scratch-resistant glass, Proximity sensor

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1.8 (Good)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7885 (14 nm)	Exynos 9611 (10 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 4x2.3GHz Cortex-A73 4x1.7G​Hz Cortex-A53
GPU
Mali-G71 MP2	Mali-G72 MP3
Memory
6GB (LPDDR4)/128GB 4GB/64GB 4GB/128GB	4GB (LPDDR4)/64GB 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (11, 10)

Battery

Type
3300 mAh	6000 mAh, Li - Polymer
Charging
	Fast charging

Camera

Rear
Triple camera	Triple camera
Main camera
24 MP (PDAF, CMOS image sensor) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.8" Pixel size: 0.9 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, Autofocus, CMOS image sensor, BSI sensor) Aperture size: F2.4 Focal Length: 18 mm Sensor size: 1/4" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
5 MP (Depth information) Aperture size: F2.2 Focal Length: 24 mm Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.2
Flash
LED	LED
Video recording
1080p (30 fps) Hyperlapse, EIS, Video calling, Video sharing	4K UHD (30 fps), 1080p, 720p (240 fps) EIS
Front
24 MP (Flash) Video capture: 1080p	20 MP (HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct 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
microUSB, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback, Dolby Atmos	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM

Cellular

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

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Sep 13, 2018 FCC ID value: A3LSMA750FN
Measured SAR
Head: 0.50 W/kg Body: 0.39 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.05 W/kg

Alternative variants

with 4 GB RAM

Memory	4GB

with 128GB storage

Memory	6GB/128GB

with 64 GB storage

Memory	4GB/64GB

Dual SIM support

Dual SIM	Yes

Discover more

Full Specs Samsung Galaxy A7 (2018) Specs PA Review Samsung Galaxy A7 (2018) Review

Full Specs Samsung Galaxy M21 Specs