1. NXT Test
  2. Compare

Samsung Galaxy A21 vs Google Pixel 3a

Samsung Galaxy A21 SamsungGalaxy A21
VS
Google Pixel 3a GooglePixel 3a

The third device is shown on desktop screens only

General

Device Type
Smart Phone
Smart Phone
Device Name
SM-A215USM-A215U1
G020AG020EG020B
Announced
April 2020
May 2019
Released
June 2020
May 2019
Colors
Black
Just BlackClearly WhitePurple-ish

Design

Length
167.8 mm (6.61 in)
151.3 mm (5.96 in)
Width
76.7 mm (3.02 in)
70.1 mm (2.76 in)
Thickness
8.1 mm (0.32 in)
8.2 mm (0.32 in)
Weight
193 g (6.81 oz)
147 g (5.19 oz)
Materials
Glass front
Glass front (Asahi Dragontrail)
On both: Plastic back, Plastic frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM
Nano SIM/eSIM
Multi SIM
Single SIM or Dual SIM
—
Speed
3G Up to 42 MB4G Up to 150 MB
3G Up to 42 MB4G Up to 600 MB

Display

Display Type
IPS LCD
OLED
Size
6.5 Inches
5.6 Inches
Resolution
720x1600 Pixels (HD+)
1080 x 2220 Pixels (FHD+)
Screen Ratio
79.3%
75.0%
Aspect Ratio
20:9
18.5:9
Pixel Density
270 PPI
441 PPI
Display Protection
—
Asahi Dragontrail Glass
Features
Hole-punch Notch
Always-on DisplayWithout Notch
On both: Dark Mode, Capacitive, Multi-touch, 16M Colors

Hardware

Chipset
Mediatek Helio P35
Qualcomm Snapdragon 670
Manufacturing Technology
12 nm
10 nm
CPU Type
Octa-core
Octa-core
CPU
Octa-core:Quad-core 2.35 GHzQuad-core 1.8 GHz
Octa-core:Dual-core 2.0 GHzHexa-core 1.7 GHz
GPU
PowerVR GE8320
Adreno 615
RAM (Memory)
3 GB
4 GB
Internal Storage
32 GB
64 GB
Storage Type
eMMC 5.1
eMMC 5.1
Card Slot
Yes - MicroSD
No

Software

OS
Android 10
Android 9.0 (Pie)
Update To
—
Android 11
User Interface
One UI 2.0
—

Main camera

Camera
—
12.2 MP
Four
First Camera: 16 MP (Standard)Second Camera: 8 MP (Ultrawide)Third Camera: 2 MP (Macro)Fourth Camera: 2 MP (Depth)
—
Aperture Size
First Camera: F/1.8Second Camera: F/2.2Third Camera: F/2.4Fourth Camera: F/2.4
F/1.8
Video
FHD 1080P@30fps
4K 2160P@30fpsFHD 1080P@60/120fpsSlow Motion
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Autofocus (AF)
Dual pixel PDAFOptical Stabilization (OIS)Night Mode
On both: Portrait Mode, Pro Mode, Digital Zoom, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

Camera
13 MP
—
Aperture Size
F/2.0
F/2.0
Video
FHD 1080P@30fps
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Face DetectionPortrait ModeBeauty ModeGesture ShotHDR
Portrait ModeBeauty ModeFace DetectionGesture ShotHDR

Connectivity

Wi-Fi
Wi-Fi 802.11a/b/g/n/acDual-bandWi-Fi DirectHotspot
Same on both
Bluetooth
No extras
aptX HD
On both: 5.0, A2DP, LE
Location
BDS
GALILEO
On both: GPS, A-GPS, GLONASS
NFC
Yes - (Market/region dependent)
Yes
USB
USB Type-C 2.0
USB Type-C 2.0

Media

Loudspeaker
Yes
Yes - Stereo speakers
3.5mm jack
Yes
Yes
FM Radio
Yes
No

Other specifications

Sensors
No extras
Barometer
On both: Accelerometer, Gyroscope, Proximity, Compass
Lock Type
Fingerprint (Rear-mounted)Facial RecognitionPatternPINPassword
Same on both
Box Contents
Power Adapter (15 W)Headphones
Phone Power Adapter (18 W)OTG Adapter
On both: Device, USB Cable, SIM Eject Tool, Quick start guide

Charging and Battery

Fast Charging
15 W
Yes - 18 W
Capacity
4000 mAh
3000 mAh

BrandsView All

Show More Brands

Top Mobile

New Arrivals

Copyright © 2026 NXT Test. All Rights Reserved
Copyright © 2026 NXT Test. All Rights Reserved