Samsung Galaxy S8 vs Samsung Galaxy A50s vs Google Pixel 4a

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

Display

Size:

5.8 inches
6.4 inches
5.8 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 570 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

Super AMOLED
Super AMOLED
OLED

Screen-to-body:

84.26 %
85.24 %
82.53 %

Features:

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
60Hz refresh rate, HDR video support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998
Samsung Exynos 7 Octa 9610
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 540
Mali-G72 MP3
Adreno 618

RAM:

4GB LPDDR4
6GB LPDDR4
6GB LPDDR4

Internal storage:

64GB
128GB, available to use: 107.7 GB
128GB, not expandable

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI
Android (10, 9.0 Pie), Samsung One UI
Android (11, 10)

Battery

Capacity:

3000 mAh
4000 mAh
3140 mAh

Type:

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

Battery life test results:

Charging:

Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging
Fast charging
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Triple camera
Single camera

Main camera:

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

Specifications:

Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F2.0; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm

Third camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2

Video recording:

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (30 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

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

Front:

8 MP (Wide Angle, Autofocus, HDR)
32 MP (HDR)
8 MP

Video capture:

2560x1440 (QHD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)
6.24 x 2.93 x 0.30 inches (158.5 x 74.5 x 7.7 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

5.47 oz (155.0 g)
5.86 oz (166.0 g)
5.04 oz (143.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)
In-screen fingerprint
Fingerprint (touch)

Keys:

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

Colors:

Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red
Prism crush black, Prism crush white, Prism crush violet, Prism crush green
Just 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), 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)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
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)

LTE (TDD):

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

UMTS:

850, 900, 1900, 2100 MHz
850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed:

LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Yes

SIM type:

Nano SIM
Nano SIM
Nano SIM, eSIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

32-Bit DAC, aptX-HD
aptX, aptX-HD

Screen mirroring:

DLNA, Wireless screen share, MHL
Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

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

Connectivity & Features

Bluetooth:

5.0, EDR
5.0
5.1

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, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

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

Features:

Charging, Video out, Mass storage device
Charging, OTG
Charging

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M3, T3
M3, T4

Regulatory Approval

FCC approval:

Date approved:

Apr 06, 2017
Aug 29, 2019
Jun 25, 2020

FCC ID value:

A3LSMG950U link
A3LSMA507FN link
A4RG025J link

Measured SAR:

Head:

0.49 W/kg
0.98 W/kg
1.18 W/kg

Body:

0.48 W/kg
0.56 W/kg
1.19 W/kg

Simultaneous Transmission:

1.53 W/kg
1.52 W/kg
1.59 W/kg

Wireless Router:

0.46 W/kg
0.74 W/kg
1.00 W/kg

Phablet:

3.48 W/kg

Buyers information

Price:

$ 349

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

Availability

Officially announced:

Mar 29, 2017
Aug 22, 2019
Aug 03, 2020
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