Samsung Galaxy J7 (2018) vs Samsung Galaxy A55 5G Specs Comparison

Availability

Officially announced
Jun 07, 2018	Mar 11, 2024
Prices (MSRP)
$230	$489

Design

Dimensions
6.03 x 3 x 0.34 inches 153.2 x 76.2 x 8.6 mm	6.34 x 3.05 x 0.00 inches 161.1 x 77.4 8.2 mm
Weight
6.38 oz (181.0 g)	7.51 oz (213.0 g)
Materials
Back: Plastic	Back: Glass (Corning Gorilla Glass) Frame: Plastic
Resistance
	Water, Dust; IP67
Biometrics
2D Face unlock	Optical in-screen fingerprint
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black	Iceblue, Lilac, Navy, Lemon

Display

Size
5.5-inch, 71.45% screen-to-body	6.6-inch, 84.30% screen-to-body
Type
TFT	Super AMOLED, 120Hz, HDR, 550 nits
Resolution
1280x720px, 16:9 ratio, 267 PPI	2400x1080px, 20:9 ratio, 399 PPI
Protection
Corning Gorilla Glass 5	Corning Gorilla Glass Victus

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Exynos 1480 (5 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core 4x2.7GHz Cortex-A78 4x2.0G​Hz Cortex-A55
GPU
Mali-T830 MP1	Yes
Memory
2GB (LPDDR3)/32GB 2GB/16GB	8GB/128GB 8GB/256GB 12GB/256GB
Storage expansion
microSDXC up to 400 GB	microSDXC
OS
Android (8.0 Oreo)	Android (14)

Battery

Type
3300 mAh	5000 mAh, Li - Ion
Charging
	Fast charging
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 36min

Browsing

17h 7min

Video

8h 15min

Gaming

9h 39min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (PDAF) Aperture size: F1.7 Focal length: 28 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	50 MP (OIS, Autofocus) Aperture size: F1.8 Sensor size: 1/1.56" Pixel size: 1.0 μm
Second camera
	12 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
	5 MP (Macro) Aperture size: F2.4
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	4K UHD (30 fps)
Front
13 MP	32 MP Video capture: 4K UHD (30 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

132

Overall

140

Photo

123

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
4.2	5.3
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,Wi-Fi 6 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
microUSB, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
ANT+, UMA (Wi-Fi Calling), VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

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

Cellular

5G Bands
	n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (FDD) Bands
2, 3, 4, 5, 7, 12, 14	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
	38, 40, 41
3G Bands
5, 2, 1	1, 2, 3, 5, 8
Data Speed
LTE, HSPA, HSUPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM, eSIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Apr 24, 2018 FCC ID value: A3LSMJ737A
Measured SAR
Head: 1.03 W/kg Body: 0.76 W/kg Simultaneous Transmission: 1.58 W/kg Wireless Router: 0.98 W/kg Phablet: 3.58 W/kg

Alternative variants

for TracFone Wireless

Memory	16GB

With 256GB internal storage

Memory	256GB

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

Links

Full specifications
Samsung Galaxy J7 (2018) Specs	Samsung Galaxy A55 5G Specs
PhoneArena Review
Samsung Galaxy J7 (2018) Review	Samsung Galaxy A55 5G Review