Samsung Galaxy J7 Star vs Samsung Galaxy A52 vs Samsung Galaxy S8

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

Comparison mode:

Display

Size:

5.5 inches
6.5 inches
5.8 inches

Resolution:

1280 x 720 pixels, 16:9 ratio, 267 PPI
2400 x 1080 pixels, 20:9 ratio, 405 PPI
2960 x 1440 pixels, 18.5:9 ratio, 570 PPI

Technology:

TFT
Super AMOLED
Super AMOLED

Screen-to-body:

71.45 %
84.79 %
84.26 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
120Hz refresh rate, Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Samsung Exynos 7 Octa 7870
Qualcomm Snapdragon 750G SM7225
Qualcomm Snapdragon 835 MSM8998

Processor:

Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2200 MHz, Kryo 570, 64-bit, 8 nm
Octa-core, 2350 MHz, Kryo 280, 64-bit, 10 nm

GPU:

Mali-T830 MP1
Adreno 619
Adreno 540

RAM:

2GB LPDDR3
6GB LPDDR4
4GB LPDDR4

Internal storage:

32GB
128GB
64GB

Storage expansion:

microSDXC up to 400 GB
microSDXC up to 1024 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (9.0 Pie, 8.0 Oreo), Samsung One UI
Android (11), Samsung One UI
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity:

3300 mAh
4500 mAh
3000 mAh

Type:

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

Charging:

Qualcomm Quick Charge 2.0
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging

Max charge speed:

Wired: 25.0W

Camera

Rear:

Single camera
Quad camera
Single camera

Main camera:

13 MP (PDAF)
64 MP (OIS, Autofocus)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.7; Focal length: 28 mm; Sensor size: 1/3.06"; Pixel size: 1.12 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

12 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4; Pixel size: 1.12 μm

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (60 fps)
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)

Features:

Continuous autofocus, Picture-taking during video recording
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing

Front:

13 MP
32 MP
8 MP (Wide Angle, Autofocus, HDR)

Video capture:

3840x2160 (4K UHD) (30 fps)
2560x1440 (QHD)

Design

Dimensions:

6.03 x 3 x 0.34 inches (153.2 x 76.2 x 8.6 mm)
6.30 x 2.96 x 0.33 inches (159.9 x 75.1 x 8.4 mm)
5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)

Weight:

6.38 oz (181.0 g)
6.67 oz (189.0 g)
5.47 oz (155.0 g)

Materials:

Back: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP67
Water, Dust; IP68

Biometrics:

2D Face unlock
2D Face unlock, In-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)

Features:

Touch sensitive control keys

Keys:

Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Blue
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

Cellular

5G:

n1, n3, n5, n7, n8, n28, n40, n41, n66, n78

LTE (FDD):

Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 66(AWS-3), 71(600)
Bands 1(2100), 3(1800), 7(2600), 32(1500 L-band)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)

LTE (TDD):

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

UMTS:

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

Data Speed:

LTE Cat 4 (150/50 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, UMTS
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM
Nano SIM

HD Voice:

Yes
Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Dolby Atmos
32-Bit DAC, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share
DLNA, Wireless screen share, MHL

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.2
5.0
5.0, EDR

Wi-Fi:

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

USB:

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

Features:

Charging
Charging, Headphones port, OTG
Charging, Video out, Mass storage device

Location:

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

Sensors:

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

Other:

NFC, ANT+, UMA (Wi-Fi Calling)
NFC
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3
M3, T3
M3, T3

Regulatory Approval

FCC approval:

Date approved:

May 10, 2018
Mar 17, 2014
Apr 06, 2017

FCC ID value:

A3LSMJ737T
A3LSMA526U
A3LSMG950U

Measured SAR:

Head:

1.36 W/kg
0.74 W/kg
0.49 W/kg

Body:

1.01 W/kg
0.53 W/kg
0.48 W/kg

Simultaneous Transmission:

1.58 W/kg
1.51 W/kg
1.53 W/kg

Wireless Router:

1.11 W/kg
0.72 W/kg
0.46 W/kg

Phablet:

3.60 W/kg

Buyers information

Price:

€ 429

In The Box:

USB cable, Wall charging adapter, Start guide, Terms & Conditions

Availability

Officially announced:

Mar 17, 2021
Mar 29, 2017
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