1. NXT Test
  2. Compare

Samsung Galaxy W21 5G vs Google Pixel 3a

Samsung Galaxy W21 5G SamsungGalaxy W21 5G
VS
Google Pixel 3a GooglePixel 3a

The third device is shown on desktop screens only

General

Device Type
Foldable phone
Smart Phone
Device Name
SM-F916BSM-F916USM-F916U1SM-F916N
G020AG020EG020B
Announced
August 2020
May 2019
Released
September 2020
May 2019
Colors
Mystic BlackMystic BronzeThom Browne EditionAston Martin Racing Edition
Just BlackClearly WhitePurple-ish

Design

Length
Unfolded: 159.2 mmFolded: 159.2 mm
151.3 mm (5.96 in)
Width
Unfolded: 128.2 mmFolded: 68 mm
70.1 mm (2.76 in)
Thickness
Unfolded: 6.9 mmFolded: 16.8 mm
8.2 mm (0.32 in)
Weight
282 g (9.95 oz)
147 g (5.19 oz)
Materials
Glass front (Folded)Plastic front (Unfolded)Glass backAluminum frame
Glass front (Asahi Dragontrail)Plastic backPlastic frame

Network

2G Network
Yes
Yes
3G Network
Yes
Yes
4G Network
Yes
Yes
5G Network
Yes
—
GPRS
Yes
Yes
EDGE
Yes
Yes
SIM
Nano SIM/eSIM
Nano SIM/eSIM
Multi SIM
Dual SIM
—
Speed
3G Up to 42 MB4G Up to 2 GB5G Up to 7.5 GB
3G Up to 42 MB4G Up to 600 MB

Display

Display Type
Dynamic AMOLED 2X
OLED
Size
7.6 Inches
5.6 Inches
Refresh Rate
120 Hz
—
Resolution
1768x2208 Pixels
1080 x 2220 Pixels (FHD+)
Screen Ratio
88.6%
75.0%
Aspect Ratio
—
18.5:9
Pixel Density
373 PPI
441 PPI
Display Protection
—
Asahi Dragontrail Glass
Features
HDR10+Hole-punch NotchFramelessFoldable DisplayCover Display: 6.23" Super AMOLED - 816x2260 Pixels (25:9) - Corning Gorilla Glass Victus
Without NotchDark Mode16M Colors
On both: Always-On Display, Capacitive, Multi-touch

Hardware

Chipset
Qualcomm Snapdragon 865+
Qualcomm Snapdragon 670
Manufacturing Technology
7 nm+
10 nm
CPU Type
Octa-core
Octa-core
CPU
Octa-core:Single-Core 3.09 GHzTriple-core 2.42 GHzQuad-core 1.8 GHz
Octa-core:Dual-core 2.0 GHzHexa-core 1.7 GHz
GPU
Adreno 650
Adreno 615
RAM (Memory)
12 GB
4 GB
Internal Storage
256/512 GB
64 GB
Storage Type
UFS 3.1
eMMC 5.1
Ram Type
LPDDR5
—
Card Slot
No
No

Software

OS
Android 10
Android 9.0 (Pie)
Update To
Android 11
Android 11
User Interface
One UI 3.0
—

Main camera

Camera
—
12.2 MP
Triple
First Camera: 12 MP (Standard)Second Camera: 12 MP (Telephoto)Third Camera: 12 MP (Ultrawide)
—
Aperture Size
First Camera : F/1.8Second Camera : F/2.4Third Camera : F/2.2
F/1.8
Video
4K 2160P@60fpsFHD 1080P@60/240fpsHD 720P@960fpsHDR10+Slow MotionElectronic Stabilization (EIS)
4K 2160P@30fpsFHD 1080P@60/120fpsSlow Motion
Flash
Yes
Yes
More details (1)Camera Features
Camera Features
Autofocus (AF)Optical Zoom 2xAI Scene DetectionDigital Zoom 10x
Dual pixel PDAFDigital Zoom
On both: Optical Stabilization (OIS), Night Mode, Portrait Mode, Pro Mode, Continuous shooting, Panorama, Exposure compensation, Face detection, Geotagging, HDR, ISO settings, Scene mode, Self-timer, Touch focus, White balance settings

Selfie Camera

-
Cover Camera: 10 MP - F/2.2
—
Aperture Size
F/2.2
F/2.0
Video
4K 2160P@30fpsFHD 1080P@30fpsSlow MotionElectronic Stabilization (EIS)
FHD 1080P@30fps
Flash
No
No
More details (1)Camera Features
Camera Features
Portrait ModeFace DetectionBeauty ModeGesture ShotHDR
Portrait ModeBeauty ModeFace DetectionGesture ShotHDR

Connectivity

Wi-Fi
a/b/g/n/ac/6
a/b/g/n/ac
On both: Wi-Fi 802.11, Dual-band, Wi-Fi Direct, Hotspot
Bluetooth
5.0A2DPLEaptX HD
Same on both
Location
BDS
No extras
On both: GPS, A-GPS, GLONASS, GALILEO
NFC
Yes
Yes
USB
USB Type-C 3.2
USB Type-C 2.0

Media

Loudspeaker
Yes - Stereo speakers
Yes - Stereo speakers
3.5mm jack
No
Yes
FM Radio
No• 32-bit/384kHz audio • Sound by AKG
No

Other specifications

Sensors
AccelerometerGyroscopeProximityCompassBarometer
Same on both
Lock Type
Fingerprint (Side-mounted)
Fingerprint (Rear-mounted)
On both: Facial Recognition, Pattern, PIN, Password
Box Contents
—
DeviceUSB CablePhone Power Adapter (18 W)OTG AdapterSIM Eject ToolQuick start guide
Other Features
BixbySamsung DeXSamsung Pay
—

Charging and Battery

Fast Charging
Yes - 25 W
Yes - 18 W
Wireless Charging
Yes - 11 WReverse wireless charging 4.5 W
—
Capacity
4500 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