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Google Pixel 4a vs Motorola Moto G Stylus 5G (2021) vs Samsung Galaxy S21

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

Comparison mode:

Display

Size:

5.8 inches
6.8 inches
6.2 inches

Resolution:

2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2400 x 1080 pixels, 20:9 ratio, 387 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

OLED
IPS LCD
Dynamic AMOLED

Refresh rate:

60Hz
60Hz
120Hz (adaptive)

Screen-to-body:

82.53 %
85.06 %
86.06 %

Peak brightness:

1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 730G SM7150-AA
Qualcomm Snapdragon 480 5G SM4350
Qualcomm Snapdragon 888

Processor:

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2000 MHz, Kryo 460, 64-bit, 8 nm
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 618
Adreno 619
Adreno 660

RAM:

6GB LPDDR4
4GB
8GB LPDDR5

Internal storage:

128GB (UFS 2.1), not expandable
128GB
128GB (UFS 3.0), not expandable

Storage expansion:

microSDXC up to 1024 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

3140 mAh
5000 mAh
4000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 18.0W
Wired: 10.0W
Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Quad camera
Triple camera

Main camera:

12.2 MP (OIS, PDAF)
48 MP (Autofocus)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

8 MP (Ultra-wide)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

5 MP (Macro)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.75 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
1920x1080 (Full HD) (30 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

EIS
HDR, Time-lapse video
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

8 MP
16 MP
10 MP (PDAF, HDR)

Video capture:

1920x1080 (Full HD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
6.67 x 3.05 x 0.37 inches (169.54 x 77.48 x 9.35 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.04 oz (143.0 g)
7.67 oz (217.5 g)
6.03 oz (171.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)
Fingerprint (touch)
2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Stylus

Keys:

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

Colors:

Just black
Cosmic Emerald
Phantom pink, Violet, Gray, White

Cellular

5G:

n2, n5, n25, n41, n66, n71, n77, n79
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

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), 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), 14(700 PS), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 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), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 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+), 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

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

Data Speed:

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM, eSIM
Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

aptX, aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.1
5.1
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.1
Type-C (reversible), USB 2.0
Type-C (reversible), USB 3.2

Features:

Charging
Charging
Charging, Headphones port, OTG, Video out

Location:

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

Sensors:

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

Other:

NFC
NFC, ANT+

Hearing aid compatible:

M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 25, 2020
Dec 08, 2020

FCC ID value:

A4RG025J
A3LSMG991U

Measured SAR:

Head:

1.18 W/kg
0.36 W/kg

Body:

1.19 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
3.96 W/kg

Wireless Router:

1.00 W/kg
1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 349
$ 399
$ 800

In The Box:

18W USB-C power adapter, 1 m USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Aug 03, 2020
Jun 09, 2021
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless