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Samsung Galaxy S9 vs Google Pixel 4a 5G Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
9.0
Samsung Galaxy S9
9.1
Google Pixel 4a 5G
Samsung Galaxy S9 Google Pixel 4a 5G
Released · Mar 16, 2018
Released · Nov 19, 2020
5.8-inch
6.2-inch
Single camera
Dual camera
4GB · 64GB
6GB · 128GB
3000 mAh
3885 mAh
Check prices Check prices

Design

Dimensions
5.81 x 2.70 x 0.33 inches
147.7 x 68.7 x 8.5 mm 		6.06 x 2.91 x 0.32 inches
153.9 x 74.0 x 8.2 mm
Weight
5.75 oz (163.0 g) 5.93 oz (168.0 g)
Materials
Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum 		Back: Plastic
Resistance
Water, Dust; IP68
Biometrics
Iris scanner, 2D Face unlock, Fingerprint (touch) Fingerprint (touch)
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Midnight black, Coral blue, Titanium gray, Lilac purple, Burgundy red, Sunrise gold, Ice blue Just black, Clearly white

Display

Size
5.8-inch 6.2-inch
Resolution
2960x1440px, 18.5:9 ratio, 568 PPI 2340x1080px, 19.5:9 ratio, 416 PPI
Technology
Super AMOLED OLED
Refresh rate
60Hz
Screen-to-body
84.36 % 82.94 %
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 845 SDM845 (10 nm) Qualcomm Snapdragon 765G SM7250-AB (7 nm)
Processor
Octa-core
2800 MHz
Kryo 385 		Octa-core
2400 MHz
Kryo 475
GPU
Adreno 630 Adreno 620
RAM
4GB (LPDDR4) 6GB (LPDDR4)
Internal storage
64GB 128GB (UFS 2.1)
Storage expansion
microSDXC up to 400 GB not expandable
OS
Android (10, 9.0 Pie, 8.0 Oreo), Samsung One UI Android (12, 11)

Battery

Capacity
3000 mAh 3885 mAh
Type
Li - Ion
Charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging USB Power Delivery
Charge speed
Wired: 18.0W

Camera

Rear
Single camera Dual camera
Main camera
12 MP (OIS, PDAF)
Aperture size: F1.5/F2.4
Sensor size: 1/2.55"
Pixel size: 1.4 μm 		12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 28 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Second camera
16 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1 μm
Flash
LED LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video calling, Video sharing 		3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)
OIS, Time-lapse video, EIS
Front
8 MP (Autofocus, HDR), Video capture: 2560x1440 (QHD) (30 fps) 8 MP (Dual-Camera, Time-of-Flight (ToF)), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
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, USB 3.1 Type-C, USB 3.1
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass, Barometer
Other
NFC, ANT+ NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, aptX-HD aptX, aptX-HD
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands n1, n2, n5, n12, n25, n28, n41, n66, n71, n78, Sub-6
4G (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), 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)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46 Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM, eSIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Jan 11, 2018
FCC ID value: A3LSMG960U 		Date approved: Sep 01, 2020
FCC ID value: A4RG025E
Measured SAR
Head: 0.35 W/kg
Body: 0.96 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 0.95 W/kg 		Head: 1.20 W/kg
Body: 1.20 W/kg
Simultaneous Transmission: 1.57 W/kg
Wireless Router: 1.00 W/kg

Buyers information

MSRP
$ 720 $ 500
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
Feb 25, 2018 Sep 30, 2020

Alternative variants

International version
System chip Samsung Exynos 9 9810 (10 nm)
Processor Octa-core
2900 MHz
Exynos M3 and ARM Cortex-A55
GPU Mali-G72 MP18
FCC approval Date approved: Dec 27, 2017
FCC ID value: A3LSMG960F
Measured SAR Head: 0.26 W/kg
Body: 1.00 W/kg
Simultaneous Transmission: 1.56 W/kg
Wireless Router: 1.04 W/kg
for Verizon
Weight 6.03 oz (171.0 g)
5G Bands n2, n5, n12, n25, n66, n71, n260, n261, Sub-6, mmWave
MSRP $ 600
with Dual SIM
System chip Samsung Exynos 9 9810 (10 nm)
Processor Octa-core
2900 MHz
Exynos M3 and ARM Cortex-A55
GPU Mali-G72 MP18
Dual SIM Yes
with 256 GB storage
Internal storage 256GB
MSRP $ 820
with 128 GB storage
Internal storage 128GB
MSRP $ 770
FCC OKs Cingular\'s purchase of AT&T Wireless