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Google Pixel 4 vs Google Pixel 4a 5G vs Google Pixel 3a

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

Comparison mode:

Display

Size:

5.7 inches
6.2 inches
5.6 inches

Resolution:

2280 x 1080 pixels, 19:9 ratio, 443 PPI
2340 x 1080 pixels, 19.5:9 ratio, 416 PPI
2220 x 1080 pixels, 18.5:9 ratio, 444 PPI

Technology:

OLED
OLED
OLED

Refresh rate:

90Hz
60Hz

Screen-to-body:

77.32 %
82.94 %
73.93 %

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
Scratch-resistant glass (Dragontrail), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855 SM8150
Qualcomm Snapdragon 765G SM7250-AB
Qualcomm Snapdragon 670 SDM670

Processor:

Octa-core, 2840 MHz, Kryo 485, 64-bit, 7 nm
Octa-core, 2400 MHz, Kryo 475, 64-bit, 7 nm
Octa-core, 2000 MHz, Kryo 360, 64-bit, 10 nm

GPU:

Adreno 640
Adreno 620
Adreno 615

RAM:

6GB LPDDR4
6GB LPDDR4
4GB LPDDR4

Internal storage:

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

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (11, 10)
Android (11)
Android (11, 10, 9.0 Pie)

Battery

Capacity:

2800 mAh
3885 mAh
3000 mAh

Type:

Not user replaceable
Not user replaceable
Not user replaceable

Battery life test results:

Charging:

USB Power Delivery, Qi wireless charging
USB Power Delivery
USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Dual camera
Dual camera
Single camera

Main camera:

12.2 MP (OIS, PDAF)
12.2 MP (OIS, PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 28 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 (Telephoto, OIS, PDAF)
16 MP (Ultra-wide)

Specifications:

Aperture size: F2.4; Focal Length: 45 mm; Pixel size: 1 μm
Aperture size: F2.2; Pixel size: 1 μm

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 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:

OIS, Time-lapse video, EIS
OIS, Time-lapse video, EIS
EIS

Front:

8 MP (Dual-Camera, Time-of-Flight (ToF))
8 MP (Dual-Camera, Time-of-Flight (ToF))
8 MP

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

5.79 x 2.71 x 0.32 inches (147.1 x 68.8 x 8.2 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:

5.71 oz (162.0 g)
5.93 oz (168.0 g)
5.19 oz (147.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

3D Face unlock
Fingerprint (touch)
Fingerprint (touch)

Keys:

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

Colors:

Just black, Clearly white, Oh so orange
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), 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)
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+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500), 46, 48(3600)
Bands 38(2600), 40(2300), 41(2600+)

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

Data Speed:

LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
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, eSIM
Nano SIM, eSIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

aptX-HD
aptX, aptX-HD
aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
Wireless screen share

Additional microphone(s):

for Noise cancellation
for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0
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; 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:

Charging, Headphones port
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, Barometer
Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Barometer

Other:

NFC
NFC
NFC, VoIP, Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3
M3, T4
M3, T3

Regulatory Approval

FCC approval:

Date approved:

Sep 03, 2019
Sep 01, 2020
Feb 25, 2019

FCC ID value:

A4RG020I
A4RG025E
A4RG020G

Measured SAR:

Head:

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

Body:

1.34 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:

1.01 W/kg
1.00 W/kg
1.19 W/kg

Buyers information

Price:

$ 799
$ 500
$ 399

In The Box:

18W USB-C power adapter, 1m USB-C to USB-C cable, Quick Start Guide, Quick Switch Adapter, SIM tool
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:

Oct 15, 2019
Sep 30, 2020
May 07, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless