Samsung Galaxy J7 Perx vs Google Pixel 4a 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
Samsung Galaxy J7 Perx	Google Pixel 4a
Released · Apr 10, 2017	Released · Aug 20, 2020
5.5-inch · 1280x720px	5.8-inch · 2340x1080px
Single camera	Single camera
2GB · 16GB	6GB · 128GB
3300 mAh	3140 mAh
	Check prices

Design

Dimensions
5.9 x 3 x 0.3 inches 149.9 x 76.2 x 7.6 mm	5.67 x 2.73 x 0.32 inches 144 x 69.4 x 8.2 mm
Weight
5.90 oz (167.3 g)	5.04 oz (143.0 g)
Materials
	Back: Plastic Frame: Plastic
Biometrics
	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Just black

Display

Size
5.5-inch	5.8-inch
Resolution
1280x720px, 267 PPI	2340x1080px, 19.5:9 ratio, 444 PPI
Technology
TFT	OLED
Refresh rate
	60Hz
Screen-to-body
73.03 %	82.53 %
Colors
16 777 216
Features
Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 625 8953 (14 nm)	Qualcomm Snapdragon 730G SM7150-AA (8 nm)
Processor
Octa-core 2200 MHz ARM Cortex-A53	Octa-core 2200 MHz Kryo 470
GPU
Adreno 506	Adreno 618
RAM
2GB (LPDDR3)	6GB (LPDDR4)
Internal storage
16GB	128GB (UFS 2.1)
Storage expansion
microSDXC up to 128 GB	not expandable
OS
Android (7.0 Nougat)	Android (12, 11, 10)

Battery

Capacity
3300 mAh	3140 mAh
Type
Li - Ion	Li - Polymer
Charging
	USB Power Delivery
Charge speed
	Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

4h 15min

Browsing

9h 27min

Video

6h 48min

Gaming

4h 51min

Camera

Rear
Single camera	Single camera
Main camera
8 MP (Autofocus, CMOS image sensor)	12.2 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.55" Pixel size: 1.4 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) EIS
Front
5 MP, Video capture: 1920x1080 (Full HD)	8 MP, Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.1
WLAN
802.11 a,b,g,n,ac,dual-band Hotspot, Wi-Fi Direct	802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	Type-C, USB 3.1
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer	Accelerometer, Gyroscope, Compass, Barometer
Other
ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Multiple speakers
Features
Album art cover, Background playback	aptX, aptX-HD
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 25(1900+), 26(850+)	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)
4G (TDD)
Bands 41(2600+)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE, HSPA, UMTS	LTE-A Cat 11 (600/75 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
	Nano SIM, eSIM
HD Voice
Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval
Date approved: Aug 01, 2017 FCC ID value: A3LSMJ727P	Date approved: Jun 25, 2020 FCC ID value: A4RG025J
Measured SAR
Head: 0.65 W/kg Body: 0.17 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 0.59 W/kg Phablet: 3.99 W/kg	Head: 1.18 W/kg Body: 1.19 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.00 W/kg

Buyers information

MSRP
	$ 349
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
Apr 10, 2017	Aug 03, 2020

Links

Full specifications
Samsung Galaxy J7 Perx Specs	Google Pixel 4a Specs
PhoneArena Review
	Google Pixel 4a Review
User Reviews
	Google Pixel 4a User Reviews