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AT&T Cingular Flip M3620 vs Samsung Galaxy A10e vs Samsung Galaxy A21

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

Comparison mode:

Display

Size:

2.8 inches
5.8 inches
6.5 inches

Resolution:

320 x 240 pixels, 143 PPI
1560 x 720 pixels, 19.5:9 ratio, 295 PPI
1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

TFT
IPS LCD
IPS LCD

Refresh rate:

60Hz
60Hz

Screen-to-body:

42.78 %
81.38 %
79.20 %

Features:

Proximity sensor
Ambient light sensor, Proximity sensor

Additional display:

1.7 inches, 176 pixels 144 x, TFT

Hardware

System chip:

MediaTek MT6276a
Samsung Exynos 7884
Mediatek Helio P35

Processor:

Single core
Octa-core, 1600 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, Arm Cortex-A53, 64-bit, 12 nm

GPU:

Mali-G71 MP2
PowerVR GE8320

RAM:

0.06GB
2GB LPDDR4
3GB LPDDR4

Internal storage:

0.128GB
32GB (eMMC 5.1), available to use: 21.3 GB
32GB (eMMC 5.1), available to use: 19.8 GB

Storage expansion:

microSD up to 32 GB
microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Feature phone
Smartphone
Smartphone

OS:

Android (11, 10, 9.0 Pie)
Android (10), Samsung One UI

Battery

Capacity:

1400 mAh
3000 mAh
4000 mAh

Type:

Li - Ion, User replaceable
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Single camera
Single camera
Quad camera

Main camera:

2 MP
8 MP (Autofocus)
16 MP (PDAF)

Specifications:

Aperture size: F1.9
Aperture size: F1.8; Sensor size: 1/3.06"; Pixel size: 1 μm

Second camera:

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:

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

Features:

Video calling, Video sharing

Front:

5 MP
13 MP

Video capture:

1920x1080 (Full HD)

Design

Dimensions:

4.13 x 2.13 x 0.67 inches (104.9 x 54.1 x 17 mm)
5.80 x 2.74 x 0.33 inches (147.3 x 69.6 x 8.4 mm)
6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

Weight:

4.24 oz (120.0 g)
4.97 oz (141.0 g)
6.81 oz (193.0 g)

Materials:

Back: Plastic; Frame: Plastic
Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)

Features:

Numeric keypad, D-Pad

Keys:

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

Colors:

Black
Black
Black

Cellular

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 14(700 PS), 29(700 d), 30(2300 WCS), 66(AWS-3)
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+)

UMTS:

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

Data Speed:

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

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

2.1
5.0
5.0

Wi-Fi:

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

USB:

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

Features:

Charging, Mass storage device
Charging

Location:

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

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass

Other:

Computer sync
UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible:

M3, T3
M3, T3
M4, T3

Phone features

Notifications:

Music ringtones, Vibration, Flight mode, Speakerphone

Other features:

Voice recording, TTY/TDD

Regulatory Approval

FCC approval:

Date approved:

May 22, 2019
Apr 17, 2020

FCC ID value:

A3LSMA102U
ZCASMA215U

Measured SAR:

Head:

0.47 W/kg
0.42 W/kg

Body:

0.54 W/kg
1.27 W/kg

Simultaneous Transmission:

1.16 W/kg
1.27 W/kg

Wireless Router:

0.60 W/kg
1.27 W/kg

Buyers information

Price:

$ 210
$ 250

In The Box:

Standard charging block, USB-C cable, QuickStart guide
This is the official Samsu​ng Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Apr 08, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless