Google Pixel 4a vs OPPO A9 (2020) 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.

9.1
Google Pixel 4a
Google Pixel 4a OPPO A9 (2020)
Released · Aug 20, 2020
Released · Sep 11, 2019
5.8-inch · 2340x1080px
6.5-inch · 720x1600px
Single camera
Quad camera
6GB · 128GB
4GB · 128GB
3140 mAh
5000 mAh
Check prices Check prices

Availability

Officially announced
Aug 03, 2020
Prices (MSRP)
$349

Design

Dimensions
5.67 x 2.73 x 0.32 inches
144 x 69.4 x 8.2 mm
6.44 x 2.98 x 0.36 inches
163.6 x 75.6 x 9.1 mm
Weight
5.04 oz / 143.0 g 6.88 oz / 195.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Plastic
Frame: Plastic
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Left: Volume control; Right: Lock/Unlock key
Colors
Just black Space purple, Marine green, Vanilla mint

Display

Size
5.8-inch, 82.53% screen-to-body 6.5-inch, 82.39% screen-to-body
Type
OLED, 60Hz, HDR IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 444 PPI 720x1600px, 20:9 ratio, 270 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass 3
PhoneArena Display Test
Bright Max (20% APL)
Untested Untested
Bright Min
2 (Good) Untested

Hardware

System chip
Snapdragon 730G SM7150-AA (8 nm) Snapdragon 665 SM6125 (11 nm)
Processor
Octa-core
2200 MHz
Kryo 470
Octa-core
2000 MHz
Kryo 260
GPU
Adreno 618 Adreno 610
Memory
6GB (LPDDR4)/128GB (UFS 2.1) 4GB (LPDDR4)/128GB
8GB/128GB
Storage expansion
not expandable microSDXC up to 256 GB
OS
Android (12, 11, 10) Android (10, 9.0 Pie)

Battery

Type
3140 mAh, Li - Polymer 5000 mAh, Li - Polymer
Charging
USB Power Delivery Reverse wired charging
Charge speed
Wired: 18.0W
PhoneArena Battery Tests
Battery Life Estimate
4h 15min
Browsing
9h 27min
Video
6h 48min
Gaming
4h 51min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested

Camera

Rear
Single camera Quad camera
Main camera
12.2 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 27 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
48 MP (PDAF)
Aperture size: F1.8
Sensor size: 1/2.3"
Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide, Autofocus)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
2 MP
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
Fourth camera
2 MP (Depth information)
Aperture size: F2.4
Sensor size: 1/5"
Pixel size: 1.75 μm
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
EIS
4K UHD (30 fps), 1080p (30 fps)
Time-lapse video, EIS
Front
8 MP
Video capture: 1080p
16 MP
Video capture: 1080p

Connectivity & Features

Bluetooth
5.1 5.0
WLAN
a,b,g,n,ac,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
b,g,n
Wi-Fi Direct, Hotspot
802.11 b, g, n
USB
Type-C, USB 3.1 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T4
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
aptX, aptX-HD Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 66, 71 1, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 39, 40, 41 38, 40, 41
3G Bands
1, 2, 4, 5, 8 5, 8, 1
Data Speed
LTE-A Cat 11 (600/75 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
Dual SIM
Yes Yes
SIM type
Nano SIM, eSIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 25, 2020
FCC ID value: A4RG025J
Measured SAR
Head: 1.18 W/kg
Body: 1.19 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.00 W/kg

Alternative variants

with 8GB RAM
Memory 8GB
FCC OKs Cingular\'s purchase of AT&T Wireless