Samsung Galaxy J2 (2017) vs Google Pixel 7a Specs Comparison

Display

Size
4.7-inch	6.1-inch
Resolution
960 x 540 px, 234 PPI	2400 x 1080 px, 20:9 ratio, 431 PPI
Technology
Super AMOLED	OLED
Refresh rate
	90Hz
Screen-to-body
64.62 %	80.86 %
Colors
16 777 216
Features
Proximity sensor	HDR support, Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos	Google Tensor G2 (5 nm)
Processor
Quad-core, 1300 MHz	Octa-core, 2x 2.85GHz Cortex-X1 + 2x 2.35GHz Cortex-A78 + 4x 1.80GHz Cortex-A55
GPU
Yes	Mali-G710 MP7
RAM
1GB	8GB
Internal storage
8GB, available to use: 4.3 GB	128GB (UFS 3.1), not expandable
Storage expansion
microSDXC up to 128 GB
OS
Android (6.0 Marshmallow)	Android (15, 14, 13)
Device type
Smartphone	Smartphone

Battery

Capacity
2000 mAh	4385 mAh
Type
User replaceable	Li - Polymer, Not user replaceable
Charging
	Fast charging, Qi wireless charging
Max charge speed
	Wired: 18.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 4min

Browsing

15h 27min

Video

9h 7min

Gaming

5h 27min

Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Single camera	Dual camera
Main camera
5 MP (Autofocus, CMOS image sensor)	64 MP Specifications: Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.73" Pixel size: 0.8 μm
Second camera
	13 MP (Ultra-wide) Specifications: Aperture size: F2.2 Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1280x720 (HD) (30 fps) Features: Video calling, Video sharing	3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD)
Front
2 MP	13 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

133

Overall

140

Photo

127

Video

Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
5.37 x 2.72 x 0.33 inches (136.5 x 69 x 8.4 mm)	6.00 x 2.87 x 0.35 inches (152.4 x 72.9 x 9 mm) thickness with camera 0.41 inches (10.50 mm)
Weight
4.59 oz(130.0 g)	6.81 oz(193.0 g)
Materials
Back: Plastic
Resistance
	Water, Dust; IP67
Biometrics
	2D Face unlock, Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold	Charcoal, Snow, Sea, and Coral

Cellular

5G
	Bands n1, n2, n3, n5, n7, n8, n12, n14, n20, n25, n28, n30, n38, n41, n48, n66, n71, n77, n78, n260, n261, 5G Ready
4G (FDD)
Bands 1(2100), 3(1800), 5(850), 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), 20(800 DD), 21(1500 Upper), 25(1900+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 40(2300)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 5(850), 8(900), 2(1900), 1(2100)	Bands 1(2100), 2(1900), 3(1800), 5(850), 8(900)
Data Speed
LTE, HSPA, HSUPA, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Micro SIM	Nano SIM

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
	Noise cancellation

Connectivity & Features

Bluetooth
4.1	5.3
Wi-Fi
802.11 b,g,n Wi-Fi Direct	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0, Features: Mass storage device, Charging	Type-C (reversible), Features: Charging
Location
GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer	Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync	NFC

Buyers information

MSRP
	$ 499 / € 509
In The Box
	Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Oct 11, 2017	May 10, 2023

Links

Full specifications
Samsung Galaxy J2 (2017) Specs	Google Pixel 7a Specs
PhoneArena Review
	Google Pixel 7a Review