Google Pixel 4a vs Google Pixel 2

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$500 VIEW ON amazon
$330 VIEW ON amazon

Display

Size

5.8 inches
5.0 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
444 PPI
1920 x 1080 pixels, 16:9 ratio,
441 PPI

Technology

OLED
AMOLED

Screen-to-body

82.53 %
67.92 %

Features

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

Hardware

System chip

Qualcomm Snapdragon 730 SM7150-AA
Qualcomm Snapdragon 835 MSM8998

Processor

Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm

GPU

Adreno 618
Adreno 540

RAM

6GB LPDDR4
4GB LPDDR4

Internal storage

128GB, not expandable
128GB, not expandable

Device type

Smartphone
Smartphone

OS

Android (11, 10)
Android (11, 10, 9.0 Pie, 8.1 Oreo, 8.0 Oreo)

Battery

Capacity

3140 mAh
2700 mAh

Type

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

Battery life test results

 

Charging

USB Power Delivery
USB Power Delivery

Max charge speed

Wired: 18.0W
 

Camera

Rear

Single camera
Single camera

Main camera

12.2 MP (OIS, PDAF)
12.2 MP (OIS, Laser and PDAF, CMOS image sensor)

Specifications

Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 27 mm; Sensor size: 1/2.6"; Pixel size: 1.4 μm

Video recording

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

Features

EIS
OIS, EIS, Video calling, Video sharing

Front

8 MP
8 MP

Design

Dimensions

5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
5.74 x 2.74 x 0.31 inches (145.7 x 69.7 x 7.8 mm)

Weight

5.04 oz (143.0 g)
the average is 6.3 oz (179 g)
5.04 oz (143.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic; Frame: Plastic
Back: Aluminum, Glass

Resistance

 
Water, Dust; IP 67

Biometrics

Fingerprint (touch)
Fingerprint (touch)

Keys

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

Colors

Just black
Black, Blue, White

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), 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), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 32(1500 L-band), 66(AWS-3)

LTE (TDD)

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

UMTS

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

Data Speed

LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Cat 15/5 (800/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA, UMTS

Dual SIM

Yes
Yes

SIM type

Nano SIM, eSIM
Nano SIM, eSIM

HD Voice

 
Yes

Multimedia

Headphones

3.5mm jack
No 3.5mm jack

Speakers

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features

aptX, aptX-HD
aptX-HD

Screen mirroring

Wireless screen share
Wireless screen share

Additional microphone(s)

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth

5.1
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

USB

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

Features

Charging
Charging, Headphones port, Mass storage device

Location

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

Sensors

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

Other

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

Hearing aid compatible

M3, T4
M4, T3

Regulatory Approval

FCC approval

 
 

Date approved

Jun 25, 2020
Aug 15, 2017

FCC ID value: A4RG025J link
FCC ID value: NM8G011A link

Measured SAR

 
 

Head

1.18 W/kg
0.79 W/kg

Body

1.19 W/kg
0.11 W/kg

Simultaneous Transmission

1.59 W/kg
1.47 W/kg

Wireless Router

1.00 W/kg
0.12 W/kg

Buyers information

Price

$ 349
$ 749

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

Aug 03, 2020
Oct 04, 2017
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
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