Samsung Galaxy S10 vs Samsung Galaxy A9 (2018) vs Google Pixel 4a

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

Display

Size:

6.1 inches
6.3 inches
5.8 inches

Resolution:

3040 x 1440 pixels, 19:9 ratio, 550 PPI
2220 x 1080 pixels, 18.5:9 ratio, 392 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

Dynamic AMOLED
Super AMOLED
OLED

Screen-to-body:

88.66 %
80.51 %
82.53 %

Features:

HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
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 855
Qualcomm Snapdragon 660 SDM660
Qualcomm Snapdragon 730 SM7150-AA

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2200 MHz, Kryo 260, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 640
Adreno 512
Adreno 618

RAM:

8GB LPDDR4
6GB LPDDR4
6GB LPDDR4

Internal storage:

128GB
128GB, available to use: 108.9 GB
128GB, not expandable

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

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

Battery

Capacity:

3400 mAh
3800 mAh
3140 mAh

Type:

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

Battery life test results:

Charging:

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

Max charge speed:

Wired: 18.0W

Camera

Rear:

Triple camera
Quad camera
Single camera

Main camera:

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

Specifications:

Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 0.9 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

12 MP (Telephoto, OIS, PDAF)
10 MP (Telephoto, Autofocus)

Specifications:

Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Optical zoom: 2x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.9"; Pixel size: 1 μm

Third camera:

16 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Aperture size: F2.4; Focal Length: 12 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

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

Features:

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

Front:

10 MP (Autofocus, HDR)
24 MP
8 MP

Video capture:

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

Design

Dimensions:

5.90 x 2.77 x 0.31 inches (149.9 x 70.4 x 7.8 mm)
6.40 x 3.03 x 0.31 inches (162.5 x 77 x 7.8 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

5.54 oz (157.0 g)
6.46 oz (183.0 g)
5.04 oz (143.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

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

Keys:

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

Colors:

Prism blue, Prism black, Prism white, Prism green, Flamingo pink
Caviar black, Lemonade blue, Bubblegum pink
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), 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), 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), 26(850+), 28(700 APT), 66(AWS-3)
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+), 46
Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 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 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS
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
Nano SIM, eSIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX-HD
Album art cover, Background playback
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Radio:

FM
FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
5.1

Wi-Fi:

802.11 a, b, g, n, ac, ax, dual-band; 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 2.0
Type-C (reversible), USB 3.1

Features:

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

Location:

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

Sensors:

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

Other:

NFC, ANT+
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible:

M4, T4
M3, T4

Regulatory Approval

FCC approval:

Date approved:

Feb 01, 2019
Oct 18, 2018
Jun 25, 2020

FCC ID value:

A3LSMG973U link
A3LSMA920F link
A4RG025J link

Measured SAR:

Head:

0.39 W/kg
0.24 W/kg
1.18 W/kg

Body:

1.37 W/kg
0.84 W/kg
1.19 W/kg

Simultaneous Transmission:

1.59 W/kg
1.58 W/kg
1.59 W/kg

Wireless Router:

1.35 W/kg
1.40 W/kg
1.00 W/kg

Phablet:

3.99 W/kg
3.95 W/kg

Buyers information

Price:

$ 900
$ 349

In The Box:

Data cable, Travel adapter, Ejection Pin, USB Connector (OTG), Earphones by AKG, Quick Start Guide, Protective film
Charger, USB cable, Headphones, SIM removal tool, Documentation
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:

Feb 20, 2019
Oct 11, 2018
Aug 03, 2020
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