Samsung Galaxy S10 vs Samsung Galaxy A21 - specs comparison

Display

Size:

6.1 inches

6.5 inches

Resolution:

3040 x 1440 pixels, 19:9 ratio, 550 PPI

1600 x 720 pixels, 20:9 ratio, 270 PPI

Technology:

Dynamic AMOLED

IPS LCD

Refresh rate:

60Hz

Screen-to-body:

88.66 %

79.20 %

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855 (7 nm)

Mediatek Helio P35 MT6765 (12 nm)

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit

Octa-core, 4x 2.3GHz Cortex-A53 + 4x 1.8GHz Cortex-A53, 64-bit

GPU:

Adreno 640

PowerVR GE8320

RAM:

8GB LPDDR4

3GB LPDDR4

Internal storage:

128GB

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

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone

OS:

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

Android (10), Samsung One UI

Battery

Capacity:

3400 mAh

4000 mAh

Type:

Li - Ion, Not user replaceable

Li - Polymer, Not user replaceable

Battery life test results:

link

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Fast charging

Max charge speed:

Wired: 15.0W

Camera

Rear:

Triple camera

Quad camera

Main camera:

12 MP (OIS, PDAF)

16 MP (PDAF)

Specifications:

F1.5/F2.4; 26 mm; 1/2.55"; 1.4 μm

F1.8; 1/3.06"; 1 μm

Second camera:

12 MP (Telephoto, OIS, PDAF)

8 MP (Ultra-wide)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm

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

Third camera:

16 MP (Ultra-wide)

2 MP (Macro)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm

Aperture size: F2.4

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Video recording:

3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

1920x1080 (Full HD) (30 fps)

Features:

HDR, Time-lapse video, Hyperlapse, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing

Front:

10 MP (Autofocus, HDR)

13 MP

Video capture:

3840x2160 (4K UHD)

1920x1080 (Full HD)

Design

Dimensions:

5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)

6.61 x 3.02 x 0.32 inches (167.8 x 76.7 x 8.1 mm)

Weight:

5.54 oz (157.0 g)

6.81 oz (193.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Back: Plastic; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

Fingerprint (touch)

Keys:

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

Right: Volume control, Lock/Unlock key

Colors:

Prism blue, Prism black, Prism white, Prism green, Flamingo pink

Black

Cellular

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

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+), 46

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

UMTS:

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

Data Speed:

LTE-A Pro Cat 20 (2000/150 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

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack

Speakers:

Earpiece, Multiple speakers

Earpiece, Loudspeaker

Features:

32-Bit DAC, Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation

Connectivity & Features

Bluetooth:

5.0

Wi-Fi:

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

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

USB:

Type-C (reversible), USB 3.1

Type-C (reversible), USB 2.0

Features:

Charging, OTG, Video out

Charging

Location:

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

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

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Heart rate, Barometer

Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+

NFC

Hearing aid compatible:

M4, T4

M4, T3

Regulatory Approval

FCC approval:

Date approved:

Feb 01, 2019

Apr 17, 2020

FCC ID value:

A3LSMG973U

ZCASMA215U

Measured SAR:

Head:

0.39 W/kg

0.42 W/kg

Body:

1.37 W/kg

1.27 W/kg

Simultaneous Transmission:

1.59 W/kg

1.27 W/kg

Wireless Router:

1.35 W/kg

1.27 W/kg

Phablet:

3.99 W/kg

Buyers information

Price:

$ 900

$ 250

In The Box:

Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film

This is the official Samsung Galaxy A21 User Guide in English provided from the manufacturer.

Availability

Officially announced:

Feb 20, 2019

Apr 08, 2020