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Nokia Lumia 820 vs Samsung Galaxy J6+ vs Google Pixel 4a

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

Comparison mode:

Display

Size:

4.3 inches
6.0 inches
5.8 inches

Resolution:

800 x 480 pixels, 217 PPI
1480 x 720 pixels, 18.5:9 ratio, 274 PPI
2340 x 1080 pixels, 19.5:9 ratio, 444 PPI

Technology:

AMOLED
TFT
OLED

Refresh rate:

60Hz

Screen-to-body:

62.04 %
73.60 %
82.53 %

Colors:

16 777 216
16 777 216

Touchscreen:

Capacitive, Multi-touch

Features:

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

Hardware

System chip:

Qualcomm Snapdragon S4 Plus MSM8960
Qualcomm Snapdragon 425 MSM8917
Qualcomm Snapdragon 730G SM7150-AA

Processor:

Dual-core, 1500 MHz, Krait
Quad-core, 1400 MHz, ARM Cortex-A53, 64-bit, 28 nm
Octa-core, 2200 MHz, Kryo 470, 64-bit, 8 nm

GPU:

Adreno 225
Adreno 308
Adreno 618

RAM:

1GB LPDDR2
3GB
6GB LPDDR4

Internal storage:

8GB
32GB, available to use: 22.4 GB
128GB (UFS 2.1), not expandable

Storage expansion:

microSDXC up to 64 GB
microSDXC up to 512 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Windows Phone, 8
Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Android (11, 10)

Battery

Capacity:

1650 mAh
3300 mAh
3140 mAh

Type:

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

Battery life test results:

Charging:

USB Power Delivery

Max charge speed:

Wired: 18.0W

Camera

Rear:

Single camera
Dual camera
Single camera

Main camera:

8 MP (Autofocus)
13 MP (PDAF)
12.2 MP (OIS, PDAF)

Specifications:

Aperture size: F2.2; Focal length: 28 mm; Sensor size: 1/3.2"
Aperture size: F1.9; Focal length: 28 mm; Sensor size: 1/3"; Pixel size: 1.12 μm
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.2; Focal Length: 24 mm; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording:

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

Features:

Continuous autofocus, Video calling
Video calling, Video sharing
EIS

Front:

0.3 MP VGA
8 MP (Flash)
8 MP

Video capture:

640x480 (VGA)
1920x1080 (Full HD)

Design

Dimensions:

4.87 x 2.70 x 0.39 inches (123.8 x 68.5 x 9.9 mm)
6.35 x 3.03 x 0.31 inches (161.4 x 76.9 x 7.9 mm)
5.67 x 2.73 x 0.32 inches (144 x 69.4 x 8.2 mm)

Weight:

5.64 oz (160.0 g)
6.28 oz (178.0 g)
5.04 oz (143.0 g)

Materials:

Back: Plastic; Frame: Plastic

Biometrics:

Fingerprint (touch)
Fingerprint (touch)

Keys:

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

Colors:

Black, Purple, Yellow, Blue, Red, White, Gray
Black, Silver, Red
Just black

Cellular

LTE (FDD):

Bands 18(800 Lower), 8(900), 3(1800), 1(2100), 7(2600)
Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
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)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE Cat 3 (100/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, UMTS
LTE Cat 4 (150/50 Mbit/s), HSPA, HSUPA
LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes

SIM type:

Micro SIM
Nano SIM
Nano SIM, eSIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
Album art cover, Background playback, Dolby Atmos
aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM, Stereo

Additional microphone(s):

for Noise cancellation
for Noise cancellation

Connectivity & Features

Bluetooth:

3.0
4.2
5.1

Wi-Fi:

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

USB:

microUSB, USB 2.0
microUSB, USB 2.0
Type-C (reversible), USB 3.1

Features:

Mass storage device, Charging
Mass storage device, Charging
Charging

Location:

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

Sensors:

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

Other:

NFC, Computer sync, OTA sync
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync
NFC

Hearing aid compatible:

M3, T4

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Haptic feedback, Music ringtones, Vibration

Other features:

Voice dialing, Voice commands, Voice recording, TTY/TDD
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Oct 18, 2012
Jun 25, 2020

FCC ID value:

PYARM-825
A4RG025J

Measured SAR:

Head:

1.34 W/kg
1.18 W/kg

Body:

0.71 W/kg
1.19 W/kg

Simultaneous Transmission:

1.58 W/kg
1.59 W/kg

Wireless Router:

0.99 W/kg
1.00 W/kg

Buyers information

Price:

$ 349

In The Box:

Nokia AC-50 MicroUSB Charger, Nokia Charging and Data Cable CA-190CD, Nokia Headset WH-208, Product user guide
Charger, microUSB cable, headphones, SIM Removal tool, Documentation
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:

Sep 05, 2012
Sep 21, 2018
Aug 03, 2020
FCC OKs Cingular\'s purchase of AT&T Wireless