Samsung Galaxy S8 Active vs Google Pixel 4a 5G vs Google Pixel 3a

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

Display

Size:

5.8 inches
6.2 inches
5.6 inches

Resolution:

2960 x 1440 pixels, 18.5:9 ratio, 568 PPI
2340 x 1080 pixels, 19.5:9 ratio, 416 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI

Technology:

Super AMOLED
OLED
OLED

Screen-to-body:

74.89 %
82.94 %
73.93 %

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 835 MSM8998
Qualcomm Snapdragon 765G SM7250-AB
Qualcomm Snapdragon 670 SDM670

Processor:

Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm

GPU:

Adreno 540
Adreno 620
Adreno 615

RAM:

4GB LPDDR4
6GB LPDDR4
4GB LPDDR4

Internal storage:

64GB
128GB (UFS 2.1), not expandable
64GB (eMMC), not expandable

Storage expansion:

microSDXC up to 256 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

4000 mAh
3885 mAh
3000 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Dual camera
Single camera

Main camera:

12 MP (OIS, PDAF)
12.2 MP (OIS, 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: F1.7; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

16 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Pixel size: 1 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full 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
OIS, Time-lapse video, EIS
EIS

Front:

8 MP (Wide Angle, Autofocus, HDR)
8 MP (Dual-Camera, Time-of-Flight (ToF))
8 MP

Video capture:

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

Design

Dimensions:

5.99 x 2.95 x 0.39 inches (152.1 x 74.9 x 9.9 mm)
6.06 x 2.91 x 0.32 inches (153.9 x 74.0 x 8.2 mm)
5.96 x 2.76 x 0.32 inches (151.3 x 70.1 x 8.2 mm)

Weight:

7.34 oz (208.0 g)
5.93 oz (168.0 g)
5.19 oz (147.0 g)

Materials:

Back: Plastic
Back: Plastic

Resistance:

Water, Dust, Shock, Vibration, Temperature; IP68; MIL-STD-810 certified

Biometrics:

Iris scanner, 2D Face unlock, Fingerprint (touch)
Fingerprint (touch)
Fingerprint (touch)

Keys:

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

Colors:

Gold, Gray
Just black, Clearly white
Black, Purple, White

Cellular

5G:

n1, n2, n5, n12, n25, n28, n41, n66, n71, n78, Sub-6

LTE (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT), 29(700 d), 30(2300 WCS)
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), 32(1500 L-band), 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), 32(1500 L-band), 66(AWS-3)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
Bands 38(2600), 40(2300), 41(2600+)

UMTS:

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

SIM type:

Nano SIM
Nano SIM, eSIM
Nano SIM

HD Voice:

Yes
Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
aptX, aptX-HD
aptX-HD

Screen mirroring:

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

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.1, EDR
5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, dual-band, i; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, 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 3.1
Type-C (reversible), USB 2.0

Features:

Mass storage device, Charging
Charging
Charging, Mass storage device

Location:

GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, 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, Barometer
Accelerometer, Gyroscope, Compass, Barometer

Other:

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

Hearing aid compatible:

M4, T3
M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Jun 30, 2017
Sep 01, 2020
Feb 25, 2019

FCC ID value:

A3LSMG892A link
A4RG025E link
A4RG020G link

Measured SAR:

Head:

0.57 W/kg
1.20 W/kg
1.15 W/kg

Body:

0.37 W/kg
1.20 W/kg
1.13 W/kg

Simultaneous Transmission:

1.59 W/kg
1.57 W/kg
1.59 W/kg

Wireless Router:

0.44 W/kg
1.00 W/kg
1.19 W/kg

Phablet:

3.88 W/kg

Buyers information

Price:

$ 850
$ 500
$ 399

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
18W USB-C power adapter, 1M USB-C to USB-C cable (USB 2.0), Quick Start Guide, Quick Switch Adapter, SIM tool

Availability

Officially announced:

Aug 07, 2017
Sep 30, 2020
May 07, 2019
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