NOA N10 vs NOA N7 vs Samsung Galaxy A21

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

6.2 inches
5.7 inches
6.5 inches

Resolution:

2246 x 1080 pixels, 403 PPI
1440 x 720 pixels, 282 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

IPS LCD
IPS LCD
IPS LCD

Screen-to-body:

82.06 %
76.01 %
79.20 %

Colors:

16 777 216
16 777 216

Features:

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
60Hz refresh rate, Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek MT6763
MediaTek MT6750
Mediatek Helio P35

Processor:

Octa-core, 2500 MHz, ARM Cortex-A53, 64-bit, 16 nm
Octa-core, 1500 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Mali-G71MP2
Mali-T860 MP2
PowerVR GE8320

RAM:

4GB LPDDR4
4GB LPDDR3
3GB LPDDR4

Internal storage:

64GB
64GB
32GB (eMMC 5.1), available to use: 19.8 GB

Storage expansion:

microSDXC up to 128 GB
microSDXC up to 128 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (8.1 Oreo)
Android (8.1 Oreo)
Android (10), Samsung One UI

Battery

Capacity:

3600 mAh
3300 mAh
4000 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Dual camera
Dual camera
Quad camera

Main camera:

16 MP (Autofocus)
16 MP (Autofocus)
16 MP (PDAF)

Specifications:

Sensor size: 1/2.8"
Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm

Second camera:

16 MP
16 MP
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera:

2 MP (Macro)

Specifications:

Aperture size: F2.4

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

1920x1080 (Full HD)
Yes
1920x1080 (Full HD) (30 fps)

Features:

Video calling, Video sharing
Video calling, Video sharing

Front:

16 MP
16 MP
13 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.10 x 2.98 x 0.31 inches (154.96 x 75.6 x 7.9 mm)
6.02 x 2.84 x 0.35 inches (153 x 72.2 x 9 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

Weight:

6.00 oz (170.0 g)
5.29 oz (150.0 g)
6.81 oz (193.0 g)

Materials:

Back: Glass; Frame: Aluminum
Back: Ceramic; Frame: Aluminum
Back: Plastic; Frame: Plastic

Biometrics:

2D Face unlock, Fingerprint (touch)
2D Face unlock, Fingerprint (touch)
Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Gray
Blue
Black

Cellular

LTE (FDD):

Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 3(1800), 7(2600), 8(900), 20(800 DD)
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), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

UMTS:

Bands 5(850), 8(900), 1(2100)
Bands 5(850), 8(900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

LTE, HSPA, HSUPA
LTE, HSPA, HSUPA
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Shared with microSD
Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

4.0
4.0
5.0

Wi-Fi:

802.11 b, g, n; Hotspot, Wi-Fi Direct
802.11 b, g, n; Wi-Fi Direct
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 2.0
microUSB, USB 2.0
Type-C (reversible), USB 2.0

Features:

Mass storage device, OTG, Charging, Headphones port
Mass storage device, OTG, Charging
Charging

Location:

GPS, A-GPS
GPS, A-GPS
GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Compass, Step detector
Accelerometer, Gyroscope, Compass

Other:

VoIP, Tethering, Computer sync, OTA sync
Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible:

M4, T3

Phone features

Notifications:

Haptic feedback, Music ringtones, Vibration
Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Apr 17, 2020

FCC ID value:

ZCASMA215U

Measured SAR:

Head:

0.42 W/kg

Body:

1.27 W/kg

Simultaneous Transmission:

1.27 W/kg

Wireless Router:

1.27 W/kg

Buyers information

Price:

$ 250

In The Box:

This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Apr 08, 2020
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