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O2 XDA Denim vs Google Pixel 4a vs Google Pixel 3

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

Comparison mode:

Display

Size:

2.6 inches
5.8 inches
5.5 inches

Resolution:

320 x 240 pixels, 154 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI
2160 x 1080 pixels, 18:9 ratio, 442 PPI

Technology:

TFT
OLED
P-OLED

Refresh rate:

60Hz

Screen-to-body:

32.78 %
82.53 %
77.36 %

Colors:

65 536

Touchscreen:

Resistive

Features:

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

Hardware

System chip:

Qualcomm Snapdragon 730G SM7150-AA
Qualcomm Snapdragon 845 SDM845

Processor:

Single core, 520 MHz, Intel PXA270
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm
Octa-core, 2500 MHz, Kryo 385, 64-bit, 10 nm

GPU:

Adreno 618
Adreno 630

RAM:

0.06GB
6GB LPDDR4
4GB LPDDR4

ROM:

256 MB

Internal storage:

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

Storage expansion:

microSD

Device type:

Smartphone
Smartphone
Smartphone

OS:

Windows Mobile Professional (6.0)
Android (11, 10)
Android (11, 10, 9.0 Pie)

Battery

Capacity:

1300 mAh
3140 mAh
2915 mAh

Type:

Li - Polymer, User replaceable
Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Battery life test results:

Charging:

USB Power Delivery
USB Power Delivery, Qi wireless charging

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Single camera
Single camera

Main camera:

2 MP (Autofocus)
12.2 MP (OIS, PDAF)
12.2 MP (OIS, 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: 28 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Video recording:

Yes
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:

Video calling
EIS
OIS, EIS, Video calling, Video sharing

Front:

Yes
8 MP
8 MP (Dual-Camera, Wide Angle, Autofocus)

Video capture:

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

Design

Dimensions:

4.52 x 2.19 x 0.71 inches (115 x 55.8 x 18.2 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)
5.73 x 2.69 x 0.31 inches (145.6 x 68.2 x 7.9 mm)

Weight:

5.29 oz (150.0 g)
5.04 oz (143.0 g)
5.22 oz (148.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Features:

Stylus

Keys:

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

Colors:

Just black
Black, Pink, 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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46

UMTS:

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

Data Speed:

HSDPA 1.8 Mbit/s, UMTS
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 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

VoLTE:

Yes

Multimedia

Headphones:

2.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

aptX, aptX-HD
Album art cover, Background playback

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

2.0
5.1
5.0

Wi-Fi:

802.11 b, g
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

USB 1.1
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, Galileo

Sensors:

Accelerometer, Gyroscope, Compass, Barometer
Accelerometer, Gyroscope, Compass, Barometer

Other:

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

Hearing aid compatible:

M3, T4
M3, T3

Phone features

Notifications:

Music ringtones (MP3), Polyphonic ringtones (192 voices), Vibration, Phone profiles, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Jul 19, 2007
Jun 25, 2020
Aug 31, 2018

FCC ID value:

UJU9QDENIM000
A4RG025J
A4RG013A

Measured SAR:

Head:

1.36 W/kg
1.18 W/kg
1.34 W/kg

Measured in:

1900 MHz

Body:

0.36 W/kg
1.19 W/kg
1.34 W/kg

Measured in:

1900 MHz

Simultaneous Transmission:

1.59 W/kg
1.59 W/kg

Wireless Router:

1.00 W/kg
1.34 W/kg

Buyers information

Price:

$ 349
$ 799

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
Quick Switch Adapter, USB-C to USB-C cable, USB-C 18W Power adapter, Pixel USB-C earbuds, USB-C to 3.5mm headphone adapter, SIM tool, Quick Start Guide

Availability

Officially announced:

Aug 03, 2020
Oct 09, 2018

Expected Announcement:

Oct 09, 2018
FCC OKs Cingular\'s purchase of AT&T Wireless